CN210597711U - Superimposed shear wall connecting structure, horizontal connecting structure and vertical connecting structure - Google Patents

Abstract

The utility model provides a superimposed shear wall connection structure, include: the prefabricated wall comprises at least two prefabricated walls, wherein each prefabricated wall comprises a first wall plate, a second wall plate and a combining piece, the first wall plate and the second wall plate are oppositely arranged at a certain distance to form a cavity, and the combining pieces are fixedly connected with the first wall plate and the second wall plate respectively; and the connecting body is used for connecting at least two prefabricated walls, concrete is at least poured in the cavity, and the at least two prefabricated walls are connected with the poured concrete through the connecting body. The present disclosure also provides a superposed shear wall horizontal connection structure and a superposed shear wall vertical connection structure.

Description

Superimposed shear wall connecting structure, horizontal connecting structure and vertical connecting structure

Technical Field

The disclosure relates to the field of fabricated buildings, in particular to a superposed shear wall connecting structure and a construction method thereof.

Background

The fabricated building refers to a building fabricated at a construction site using prefabricated parts. The building has the advantages of high construction speed, small restriction by climatic conditions, labor saving and building quality improvement. But still have the problem such as the efficiency of construction is lower in the assembly type building construction process at present.

In the fabricated concrete structure, a structural system mainly comprising a solid precast concrete component has a plurality of problems and difficulties, for example, the automation degree of component production is low due to the ribs on the side surface of the precast component; the quality control is difficult due to the on-site steel bar connection; the tower crane has large model, difficult field hoisting and inconvenient transportation due to the heavy self weight of the member; the post-cast strip connection causes various problems of large workload of templates and steel bars, large demand of workers and the like. These problems result in current fabricated concrete structures that are inefficient and costly.

SUMMERY OF THE UTILITY MODEL

In order to solve at least one of the above technical problems, the present disclosure provides the following.

According to an aspect of the present disclosure, a superposed shear wall connection structure includes: the prefabricated wall comprises at least two prefabricated walls and a plurality of prefabricated walls, wherein each prefabricated wall comprises a first wall plate, a second wall plate and a combining piece, the first wall plate and the second wall plate are oppositely arranged at a certain distance to form a cavity, and the combining pieces are fixedly connected with the first wall plate and the second wall plate respectively; and the connecting body is used for connecting the at least two prefabricated walls, concrete is at least poured in the cavity, and the at least two prefabricated walls are connected through the connecting body and the poured concrete.

According to another aspect of the present disclosure, a superposed shear wall horizontal connection structure includes: the prefabricated wall comprises two prefabricated walls or more than two prefabricated walls, wherein the two prefabricated walls or more than two prefabricated walls are horizontally arranged so that two adjacent prefabricated walls form any-shaped structure, each prefabricated wall comprises a first wall plate, a second wall plate and a combining piece, the first wall plate and the second wall plate are oppositely arranged at a certain distance to form a cavity, and the combining pieces are fixedly connected with the first wall plate and the second wall plate respectively; and the connecting body is used for connecting the two prefabricated walls, concrete is at least poured in the cavity, and the two prefabricated walls or more than two prefabricated walls form the arbitrary-shaped structural connection through the connecting body and the poured concrete.

According to at least one embodiment of the present disclosure, the arbitrary-shaped structure is one or more of a line-shaped structure, an L-shaped structure, a T-shaped structure, and/or an oblique structure.

According to still another aspect of the present disclosure, a superposed shear wall vertical connection structure includes: the prefabricated wall comprises two prefabricated walls and a plurality of prefabricated walls, wherein the two prefabricated walls are arranged up and down, each prefabricated wall comprises a first wall plate, a second wall plate and a combining piece, the first wall plate and the second wall plate are oppositely arranged at a certain distance to form a cavity, and the combining pieces are fixedly connected with the first wall plate and the second wall plate respectively; and the connecting body is used for connecting the two prefabricated walls, concrete is at least poured in the cavity, and the two prefabricated walls form vertical connection through the connecting body and the poured concrete.

According to at least one embodiment of the present disclosure, the connector is a steel bar connector and/or a steel plate connector.

According to at least one embodiment of the present disclosure, the connector includes a reinforcing bar connector, and the reinforcing bar connector is shaped to enhance a connection strength of the at least two prefabricated walls.

According to at least one embodiment of the present disclosure, the connector includes a one-dimensional form of a reinforcing bar linear connector, and the reinforcing bar linear connector is: one or a combination of a polygonal shape, a spiral shape, a hook shape, or a wave shape; and/or the connector comprises a two-dimensional reinforcing steel bar sheet connector, and the reinforcing steel bar sheet connector is: one of a U shape, a whole ring shape, an end ring shape, or a net shape, or a combination of a plurality of shapes; and/or the connector comprises a reinforcement cage connector in a three-dimensional form, and the reinforcement cage connector is: the reinforcing steel bar sheet-shaped connector and the reinforcing steel bar cage-shaped connector formed by the reinforcing steel bar linear connector, the reinforcing steel bar cage-shaped connector formed by the reinforcing steel bar linear connector or the reinforcing steel bar cage-shaped connector formed by the reinforcing steel bar sheet-shaped connector.

According to at least one embodiment of the present disclosure, the connector includes a reinforcing bar connector, and a reinforcing part for reinforcing the connection strength between two adjacent prefabricated walls is provided on the reinforcing bar connector.

According to at least one embodiment of the present disclosure, the reinforcement is a protrusion structure and/or a thickening structure provided at the end of the connector.

According to at least one embodiment of the present disclosure, the protruding structure is a parallel rib or a transverse rib provided at an end of the connector; the thickening structure is an end plate structure, a upsetting structure, an additional sleeve structure or an additional nut structure arranged at the end part of the connecting body.

According to at least one embodiment of the present disclosure, the connector includes a steel plate connector, and the steel plate connector is provided with a reinforcing part that enhances a connection strength of two adjacent prefabricated walls.

According to at least one embodiment of the present disclosure, the steel plate connector is a planar connector, and a hole or a protrusion is provided on the steel plate connector as the reinforcement part; and/or the steel plate connector is a plane bent connector, and the bent part is used as the reinforcing part; and/or the end part of the steel plate connecting body is provided with an end plate structure or a thickening structure which is used as the reinforcing part.

According to at least one embodiment of the present disclosure, the connecting body is located in the cavity of two adjacent prefabricated walls; or one end of the connecting body is positioned in the first wall board and/or the second wall board, and the other end of the connecting body extends to the outside from one side of the first wall board and/or the second wall board forming the cavity, or from the opposite side of one side of the first wall board and/or the second wall board forming the cavity, or from the end part of the first wall board and/or the second wall board.

According to at least one embodiment of the present disclosure, the edges of the first wall panel and the second wall panel of two adjacent prefabricated walls are: an abutting form or a separated form; and/or staggered or aligned; and/or in a mortise and tenon joint form or a keyway form.

According to at least one embodiment of this disclosure, the binder is a reinforcement cage, the reinforcement cage respectively with first wallboard and second wallboard rigid coupling.

According to at least one embodiment of the present disclosure, the at least two prefabricated walls, the two prefabricated walls or the more than two prefabricated walls further comprise a functional layer, the functional layer is a heat insulation layer, a fire-proof layer and/or a water-proof layer, the functional layer is arranged on the inner side surface of one of the first wall panel and the second wall panel, and the functional layer and the other one of the first wall panel and the second wall panel form the cavity; and the binder comprises a first binder and a second binder, the second binder is a functional binder, the first binder is fixedly connected to the other wallboard, one end of the second binder penetrates through the functional layer and is fixedly connected to the one wallboard, and the other end of the second binder is fixedly connected to the other wallboard or is connected to the first binder.

According to at least one embodiment of the present disclosure, the connector comprises a profiled connecting reinforcement cage.

According to at least one embodiment of the present disclosure, the connecting body is a reinforcement cage and a connecting reinforcement or a sheet-shaped connecting reinforcement, the reinforcement cage is located at a position adjacent to two adjacent prefabricated walls, and two ends of the connecting reinforcement or the sheet-shaped connecting reinforcement extend from the inner side and/or the outer side of the reinforcement cage into cavities of the two adjacent prefabricated walls respectively.

According to at least one embodiment of the present disclosure, the connecting reinforcement or the sheet-shaped connecting reinforcement includes a first section and a second section, one side of the first section and one side of the second section are respectively located at or near the reinforcement cage, and the other side of the first section and the other side of the second section are respectively located in the cavities of two adjacent prefabricated walls.

According to at least one embodiment of the present disclosure, the connection bar or the sheet-shaped connection bar is provided in one or more layers.

According to at least one embodiment of the present disclosure, two adjacent prefabricated walls are spaced apart by a predetermined distance to form a cast-in-place section, the reinforcement cage is disposed at the cast-in-place section, and the connecting reinforcement or the sheet-shaped connecting reinforcement extends through a part or all of a cavity between the first wall panel and the second wall panel of the two adjacent prefabricated walls and extends to and/or through the cast-in-place section, and concrete is cast in the cavity and the cast-in-place section, and the prefabricated walls are connected with the connecting body by the concrete of the cast-in-place section.

According to at least one embodiment of the present disclosure, a space for disposing a horizontal floor slab is not provided between two prefabricated walls disposed up and down in the vertical connection structure of the superposed shear wall.

According to at least one embodiment of the present disclosure, a space is left at one side or both sides of two prefabricated walls disposed up and down in the overlapped shear wall vertical connection structure, so that a horizontal floor slab is disposed through the space at one side or both sides.

According to at least one embodiment of the present disclosure, a thickness of one prefabricated wall of two adjacent prefabricated walls is less than a thickness of the other prefabricated wall.

According to at least one embodiment of the present disclosure, the concrete is one or more of ordinary concrete, high strength concrete, fiber concrete, fine aggregate concrete, self-compacting concrete, or foamed concrete.

Drawings

The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the disclosure and together with the description serve to explain the principles of the disclosure.

Fig. 1 is a schematic view of a horizontal connection structure according to an embodiment of the present disclosure.

Fig. 2 is a schematic edge structure view of a prefabricated wall according to an embodiment of the present disclosure.

Fig. 3 is a schematic view of a first embodiment of an in-line horizontal connection structure of a superposed shear wall according to the present disclosure.

Fig. 4 is a schematic view of a second embodiment of an in-line horizontal connection structure for a superposed shear wall according to the present disclosure.

Fig. 5 is a schematic view of a second embodiment of an in-line horizontal connection structure for a superposed shear wall according to the present disclosure.

Fig. 6 is a schematic view of a third embodiment of an in-line horizontal connection structure for a laminated shear wall according to the present disclosure.

Fig. 7 is a schematic view of a fourth embodiment of an in-line horizontal connection structure for a laminated shear wall according to the present disclosure.

Fig. 8 is a schematic view of a first embodiment of an L-shaped horizontal connection structure of a laminated shear wall according to the present disclosure.

Fig. 9 is a schematic view of a second embodiment of an L-shaped horizontal connection structure of a laminated shear wall according to the present disclosure.

Fig. 10 is a schematic view of a third embodiment of an L-shaped horizontal connection structure of a laminated shear wall according to the present disclosure.

Fig. 11 is a schematic view of a fourth embodiment of an L-shaped horizontal connection structure of a stacked shear wall according to the present disclosure.

FIG. 12 is a schematic view of a first embodiment of a T-shaped horizontal connection structure for a laminated shear wall according to the present disclosure.

Fig. 13 is a schematic view of a second embodiment of a stacked shear wall T-shaped horizontal connection structure according to the present disclosure.

FIG. 14 is a schematic view of a third embodiment of a stacked shear wall T-shaped horizontal connection according to the present disclosure.

FIG. 15 is a schematic view of a third embodiment of a stacked shear wall T-shaped horizontal connection according to the present disclosure.

FIG. 16 is a schematic view of a fourth embodiment of a stacked shear wall T-shaped horizontal connection according to the present disclosure.

Fig. 17 is a schematic view of a first embodiment of an oblique horizontal connection structure of a superimposed shear wall according to the present disclosure.

Fig. 18 is a schematic view of a second embodiment of a diagonal horizontal connection structure of a stacked shear wall according to the present disclosure.

Fig. 19 is a schematic view of a third embodiment of a diagonal horizontal connection structure of a superimposed shear wall according to the present disclosure.

Fig. 20 is a schematic view of a first embodiment of a stacked shear wall vertical connection according to the present disclosure.

Fig. 21 is a schematic view of a second embodiment of a vertical connection structure for a superposed shear wall according to the present disclosure.

Detailed Description

The present disclosure will be described in further detail with reference to the drawings and embodiments. It is to be understood that the specific embodiments described herein are for purposes of illustration only and are not to be construed as limitations of the present disclosure. It should be further noted that, for the convenience of description, only the portions relevant to the present disclosure are shown in the drawings.

It should be noted that the embodiments and features of the embodiments in the present disclosure may be combined with each other without conflict. The present disclosure will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

The prefabricated building is usually assembled after the prefabricated components are transported to the construction site. Wherein prefabricated wall structural style among the prefabricated component can be for a variety, for convenient transportation, convenient hoist and mount and can realize cast in situ, can adopt the prefabricated wall of casing form usually. The shell in the shell-type prefabricated wall can be used as a pouring template, so that the support modulus is greatly reduced, the manual operation of a construction site is greatly reduced, and the construction efficiency is improved; the supporting modulus is greatly reduced, so that the material consumption can be saved, the construction cost is reduced, the construction waste is reduced, and the environment friendliness is facilitated.

According to a first embodiment of the present disclosure, there is provided a superposed shear wall connection structure including: the prefabricated wall comprises at least two prefabricated walls, wherein each prefabricated wall comprises a first wall plate, a second wall plate and a combining piece, the first wall plate and the second wall plate are oppositely arranged at a certain distance to form a cavity, and the combining pieces are fixedly connected with the first wall plate and the second wall plate respectively; and the connecting body is used for connecting at least two prefabricated walls, concrete is at least poured in the cavity, and the at least two prefabricated walls are connected with the poured concrete through the connecting body.

As shown in fig. 1, the at least two prefabricated walls 11, 12, 13 may be formed into a horizontal connection structure (for example, a, b, c, d, e in fig. 1, which shows a schematic top view of the prefabricated wall provided with a rear wall), or into a vertical connection structure (for example, as shown in fig. 1f, which shows a schematic side view of the prefabricated wall provided with a rear wall). Wherein, fig. 1a shows a case that the shape formed by two adjacent prefabricated walls is a straight line; FIG. 1b shows the L-shape formed by two adjacent prefabricated walls; FIG. 1c shows a T-shape formed by three adjacent prefabricated walls; FIG. 1d shows the case where two adjacent prefabricated walls form an oblique shape and the included angle between the two prefabricated walls is less than 90 degrees; FIG. 1e shows the case where two adjacent prefabricated walls form an oblique shape and the included angle between the two prefabricated walls is greater than 90 degrees; fig. 1f shows the case of a vertical structure with two adjacent prefabricated walls arranged one above the other. It should be noted that the example shown in fig. 1 is only for illustrative purposes and is not used as a limitation of the present disclosure, and those skilled in the art may adjust the shape to form other corresponding shapes according to the actual design situation. In addition, those skilled in the art will also understand that the above shapes can be combined according to the actual design requirements.

The edges of two wall panels of two adjacent prefabricated walls can be arranged as follows: an abutting form or a separated form; and/or staggered or aligned; and/or in a mortise and tenon joint form or a keyway form. The arrangement of the edges of two panels of two adjacent prefabricated walls can also be two or more of the various forms described above according to the idea of the present disclosure. It should be noted that the example shown in fig. 2 is for illustrative purposes only, and is not intended to limit the present disclosure,

as shown in fig. 2a, the edges of the two prefabricated walls 21, 22 are arranged in a mortise and tenon shape, fig. 2a1 is a schematic side view, and fig. 2a2 and 2a3 are schematic top views of two cases, wherein, as shown in fig. 2a2, one of the two wall panels of each of the two prefabricated walls 21, 22 may be arranged in a mortise and tenon shape while the other wall panel is not arranged in a mortise and tenon shape, as shown in fig. 2a3, both of the two wall panels of each of the two prefabricated walls 21, 22 are arranged in a mortise and tenon shape.

As shown in fig. 2b, the edges of the two prefabricated walls 21, 22 may be provided in a keyway shape, fig. 2b1 is a schematic side view, and fig. 2b2 and 2b3 are schematic top views of both cases, wherein, as shown in fig. 2b2, one of the two wall panels of each of the two prefabricated walls 21, 22 may be provided in a keyway shape and the other wall panel is not provided in a keyway shape, as shown in fig. 2b3, both wall panels of each of the two prefabricated walls 21, 22 are provided in a keyway shape.

As shown in fig. 2c, the edges of the two prefabricated walls 21 and 22 can be arranged in a staggered shape, fig. 2c1 and 2c2 are a front view and a rear view of a side view, and fig. 2c3 is a top view, and the adjacent part of the first wall panel and the adjacent part of the second wall panel of the two prefabricated walls are staggered with a certain angle.

As shown in fig. 2d, the edges of the two prefabricated walls 21, 22 are arranged in one form of a split shape, fig. 2d1 and 2d2 are a front view and a rear view of a side view, fig. 2d3 is a top view, two wall panels shown in fig. d1 can be separated, and the other two wall panels shown in fig. 2d2 can be abutted.

As shown in fig. 2e, the edges of the two prefabricated walls 21, 22 are arranged in one form of an aligned shape, fig. 2e1 being a schematic side view and fig. 2e2 being a schematic top view, the two panels of the two prefabricated walls being aligned accordingly.

As shown in fig. 2f, the edges of the two prefabricated walls 21, 22 are provided in one form of a separated shape, fig. 2f1 being a schematic side view and fig. 2f2 being a schematic top view, the two panels of the two prefabricated walls being separated accordingly.

According to one mode of the present disclosure, the connector may be a reinforcing bar connector, and the reinforcing bar connector may have a linear shape.

Alternatively, the reinforcing bar coupler may be shaped to enhance the coupling strength of at least two prefabricated walls. The connector may include a one-dimensional form of a reinforcing bar linear connector, and the reinforcing bar linear connector may be: a combination of one or more of a polygonal shape (for example, polygonal bending at both ends of a reinforcing bar), a spiral shape (for example, a reinforcing bar having a spiral shape), a hook shape (for example, hooks at both ends of a reinforcing bar), or a corrugated shape (for example, a reinforcing bar having a corrugated shape or other curved shape). The connector may include a reinforcing bar sheet connector in a two-dimensional form, and the reinforcing bar sheet connector may be: one of a U-shape (e.g., rebar bent into a U), a global loop shape (e.g., rebar ring), an end loop shape (e.g., loop portion at end), or a mesh shape (e.g., rebar mesh, etc.), or a combination of shapes. The connector may comprise a three-dimensional form of a reinforcement cage connector, and the reinforcement cage connector may be: the steel bar cage-shaped connector formed by the steel bar sheet-shaped connector and the steel bar linear connector, the steel bar cage-shaped connector formed by the steel bar linear connector, or the steel bar cage-shaped connector formed by the steel bar sheet-shaped connector. In the embodiment of the present disclosure, the connector may also be a combination of any two or three of the above one-dimensional form of the reinforcing steel bar linear connector, two-dimensional form of the reinforcing steel bar sheet connector, and three-dimensional form of the reinforcing steel bar cage connector, for example, the reinforcing steel bar linear connector in the three-dimensional form of the reinforcing steel bar cage connector may be in the form of one-dimensional form of the reinforcing steel bar linear connector, the reinforcing steel bar sheet connector may be in the form of two-dimensional form of the reinforcing steel bar sheet connector, and the like.

Still optionally, a reinforcing part for reinforcing the connection strength between two adjacent prefabricated walls may be disposed on the reinforcing bar connecting body. The reinforcement may be a raised structure and/or a thickened structure provided at the end of the connector. The protruding structure can be a parallel rib or a transverse rib arranged at the end part of the connector. The thickening structure can be an end plate structure, an upsetting structure, an additional sleeve structure or an additional nut structure arranged at the end part of the connecting body.

According to another aspect of the present disclosure, the connector may include a steel plate connector, and the steel plate connector may be a flat-shaped steel plate.

Alternatively, the steel plate connection body may be provided with a reinforcing part that enhances the connection strength of adjacent two prefabricated walls. The steel plate connector may be a plane-shaped connector, and a hole or a protrusion may be provided on the steel plate connector as a reinforcement. The steel plate connector may be a planar curved shape connector, and the curved shape portion may serve as a reinforcement. The end of the steel plate connection body may be provided with an end plate structure (for example, welding another steel plate to the end or other portion of the steel plate, etc.) or a thickened structure (the diameter of the thickened structure is larger than that of the other portion) as a reinforcing portion. In the embodiment of the present disclosure, the steel plate connector may be a combination of any two or three of the above-described planar shape connector, planar bent shape connector, and connector having an end plate structure or a thickened structure at an end thereof.

The connectors of the various forms described above may be located in the cavities of two adjacent prefabricated walls of at least two prefabricated walls, for example, one end or portion of a connector may be located in the cavity of one prefabricated wall of two adjacent prefabricated walls, and the other end or portion of a connector may be located in the cavity of the other prefabricated wall of two adjacent prefabricated walls.

The binder between first wallboard and the second wallboard can be the steel reinforcement cage, and the steel reinforcement cage can be respectively with first wallboard and second wallboard rigid coupling (for example the lateral part net piece of steel reinforcement cage can bury first wallboard and second wallboard).

The at least two prefabricated walls also comprise a functional layer, the functional layer can be an insulating layer, a fireproof layer and/or a waterproof layer, the functional layer can be arranged on the inner side surface of one wall board (such as an outer leaf board) of the first wall board and the second wall board, and the functional layer and the other wall board (such as an inner leaf board) of the first wall board and the second wall board form a cavity; and the binder comprises a first binder and a second binder, the second binder is a functional binder, the first binder is fixedly connected to another wallboard, one end of the second binder penetrates through the functional layer and is fixedly connected to the wallboard, and the other end of the second binder is fixedly connected to the wallboard or is connected to the first binder. The first combination piece can be in the forms of a steel reinforcement cage, truss steel bars, connecting steel bars or steel mesh sheets and the like.

In an alternative embodiment of the present disclosure, the connector of the two prefabricated walls may be a form-fitting connection reinforcement cage. Alternatively, the connector may comprise a reinforcement cage, and connecting reinforcements or sheet-like connecting reinforcements. The reinforcement cage is located the border on department of two adjacent prefabricated walls, and the both ends of connecting reinforcement or slice connecting reinforcement extend to in two adjacent prefabricated wall's cavity respectively from reinforcement cage inboard and/or outside. It is to be noted that the connector described herein may have a reinforcing shape or a reinforcing structure of the connector described above, may be used in combination according to the present disclosure, or the like. And are not described in detail herein for the sake of brevity.

In addition, the connecting reinforcement or the sheet-shaped connecting reinforcement may be in the form of multiple sections, for example, including a first section and a second section respectively located at two sides of the reinforcement cage, one side of the first section and one side of the second section being located at or near the reinforcement cage, and the other side of the first section and the other side of the second section being located in the cavity of two adjacent prefabricated walls.

The connecting reinforcement or the sheet-like connecting reinforcement may be provided in one or more layers.

Alternatively, two adjacent prefabricated walls may be spaced apart by a certain distance, such that the spaced apart spaces may form cast-in-place sections, reinforcement cages are provided at the cast-in-place sections, and connecting reinforcements or sheet-like connecting reinforcements extend through a part or all of the cavity between the first wall panel and the second wall panel of the two adjacent prefabricated walls and extend to and/or through the cast-in-place sections, and concrete is cast in the cavity and the cast-in-place sections, and the prefabricated walls are connected to the connectors by the concrete of the cast-in-place sections.

The concrete can be one or more of common concrete, high-strength concrete, fiber concrete, fine aggregate concrete, self-compacting concrete or foaming concrete.

The present disclosure also provides a construction method of the above structure, including setting the prefabricated wall in place; placing the connecting body so that at least one part of the connecting body is positioned in the cavities of two adjacent prefabricated walls; and casting concrete at least within the cavity.

The connecting structure of the superposed shear wall provided by the disclosure realizes separable hidden column connection by adopting the formed connecting reinforcement cage prefabricated by a factory, and avoids a large amount of reinforcing steel bars from being installed and bound on a construction site, thereby greatly reducing manual operation on the construction site and improving the construction efficiency; and the method can realize high industrialization and automatic production, save labor and reduce comprehensive production cost, thereby improving the industrialization degree of a building system, greatly reducing energy consumption and material loss, realizing centralized environmental protection treatment in factories and being beneficial to realizing the requirement of four-section one-environment protection. In addition, tests prove that the wall body after in-situ casting has the same stress performance as a cast-in-place structure, is safe and reliable, and has strong market competitiveness.

The above-described laminated shear wall connection structure will be described in detail with reference to specific embodiments.

First, an embodiment of a horizontal connecting structure of a laminated shear wall will be described in detail.

The disclosure provides a horizontal connecting structure of a superposed shear wall, wherein two prefabricated walls or more than two prefabricated walls are arranged in the horizontal direction so that two adjacent prefabricated walls form any-shaped structure, each prefabricated wall comprises a first wall plate, a second wall plate and a combining part, the first wall plate and the second wall plate are oppositely arranged at a certain distance to form a cavity, and the combining parts are fixedly connected with the first wall plate and the second wall plate respectively; and the connecting body is used for connecting the two prefabricated walls, concrete is at least poured in the cavity, and the two prefabricated walls or more than two prefabricated walls form random-shaped structural connection with the poured concrete through the connecting body. The arbitrary-shaped structure may be one or more of a line-shaped structure, an L-shaped structure, a T-shaped structure, and/or an oblique structure, which will be described separately for each structure below.

The first embodiment (close to, without ribs, no functional layer) of the in-line horizontal connecting structure of the superposed shear wall.

As shown in fig. 3, the in-line horizontal connecting structure of the superposed shear wall may include: a first prefabricated wall 100, a second prefabricated wall 200, and a connector 400. The first prefabricated wall 100 and the second prefabricated wall 200 are horizontally arranged in parallel to form a straight-line-shaped connection node structure, wherein fig. 3 is a schematic top view of the first prefabricated wall 100 and the second prefabricated wall 200 after being arranged.

The first prefabricated wall 100 may comprise a first wall panel 101, a second wall panel 102 and a wall panel coupler 103 for connecting the first wall panel 101 and the second wall panel 102, forming a cavity 104 between the first wall panel 101 and the second wall panel 102. The second prefabricated wall 200 may comprise a first wall panel 201, a second wall panel 202 and a wall panel coupler 203 for connecting the first wall panel 201 and the second wall panel 202, forming a cavity 204 between the first wall panel 201 and the second wall panel 202. Wherein the first prefabricated wall 100 and the second prefabricated wall 200 can be prefabricated and formed in a factory and transported to a construction site by being hoisted in place.

The wall panel couplers 103, 203 may be in the form of a reinforcement cage or truss, and are fixedly coupled to the first wall panel 101 and the second wall panel 201, respectively, for example, connected to a mesh or reinforcement embedded in the first wall panel 101, 201 and the second wall panel 102, 202, respectively, to be fixed to the wall panels.

When the wallboard connectors 103 and 203 are in the form of the formed connecting reinforcement cage, the formed connecting reinforcement cage comprises a longitudinal rib of the first wallboard, a longitudinal rib of the second wallboard and a plurality of reinforcement meshes, wherein the longitudinal ribs of the second wallboard are arranged in the thickness range of the first wallboard 101 and 201, the longitudinal ribs of the second wallboard are arranged in the thickness range of the second wallboard 102 and 202, the reinforcement meshes are arranged at intervals along the height direction of the formed connecting reinforcement cage, one side of each reinforcement mesh is connected with the longitudinal rib of the first wallboard, and the other side of each reinforcement mesh is connected with the longitudinal rib of the second wallboard.

The connector 400 extends between the cavity 104 of the first prefabricated wall 100 and the cavity 204 of the second prefabricated wall 200, so that the two prefabricated walls are securely connected by the concrete and the connector 400 after the concrete is poured in the cavity 204.

Although the connector 400 is shown in fig. 3 as being in the form of a steel bar, the connector 400 may also be in the form of a steel plate according to the present disclosure.

When the connection body 400 is in the form of the reinforcing bars, the shape of the connection body 400 may be a straight line as shown in fig. 3, and the shape of the connection body 400 may also be set to a shape that enhances the connection strength between the first prefabricated wall 100 and the second prefabricated wall 200. For example, in order to enhance the connection strength between the two prefabricated walls, the shape of the connection body 400 may be set in a shape having a larger contact area with concrete poured later in situ in the cavities 104 and 204 in the thickness direction of the prefabricated wall, so as to enhance the connection strength between the first prefabricated wall 100 and the second prefabricated wall 200 of fig. 3.

By way of example, the connector 400 may include a one-dimensional form of a reinforcing bar linear connector, and the reinforcing bar linear connector may be: a combination shape of one or more of a dogleg shape (e.g., a dogleg-type bend or the like is made at both ends of a reinforcing bar so that a contact area with concrete in a thickness direction of the prefabricated wall is increased by the dogleg shape), a spiral shape (e.g., a reinforcing bar in a spiral form or the like is used so that a contact area with concrete in the thickness direction of the prefabricated wall is increased by the spiral shape), a hook shape (e.g., a hook is provided at both ends of a reinforcing bar so that a contact area with concrete in the thickness direction of the prefabricated wall is increased by the hook shape), or a corrugated shape (e.g., a reinforcing bar in a corrugated shape or other curved shape or the like so that a contact area with concrete in the thickness direction of the prefabricated wall is increased by the corrugated or curved shape). The connector 400 may include a reinforcing bar sheet connector in a two-dimensional form, and the reinforcing bar sheet connector may be: the closed reinforcing steel bars can improve the strength of the connecting reinforcing steel bars, and under the condition that the same strength can be achieved, the length of the closed reinforcing steel bars can be smaller than that of straight single reinforcing steel bars, so that the interference between the prefabricated wall and other components can be avoided, and the construction is further facilitated. The connector 400 may include a reinforcement cage connector in a three-dimensional form, and the reinforcement cage connector may be: the steel bar cage-shaped connector formed by the steel bar sheet-shaped connector and the steel bar linear connector, the steel bar cage-shaped connector formed by the steel bar linear connector, or the steel bar cage-shaped connector formed by the steel bar sheet-shaped connector. In the embodiment of the present disclosure, the connector 400 may also be a combination of any two or three of the above one-dimensional form of the reinforcing steel bar linear connector, two-dimensional form of the reinforcing steel bar sheet connector, and three-dimensional form of the reinforcing steel bar cage connector, for example, the reinforcing steel bar linear connector in the three-dimensional form of the reinforcing steel bar cage connector may be in the form of one-dimensional form of the reinforcing steel bar linear connector, and the reinforcing steel bar sheet connector may be in the form of two-dimensional form of the reinforcing steel bar sheet connector; the reinforcing steel used in the two-dimensional form reinforcing steel sheet connector and the three-dimensional form reinforcing steel cage connector may be in the shape of one-dimensional form reinforcing steel linear connector, and the like. Those skilled in the art can combine the concepts of the present disclosure.

The connection body 400 in the form of the reinforcing bars may be provided with a reinforcing part to reinforce the connection strength of the two prefabricated walls 100 and 200. The reinforcement may be a raised structure and/or a thickened structure disposed at the end of the connector 400. The convex structure can be a parallel rib (arranged in the extending direction of the connecting body) or a transverse rib (arranged perpendicular to the extending direction of the connecting body) arranged at the end part of the connecting body, and the arrangement can be fixed by welding and the like. The thickening structure may be an end plate structure provided at an end of the connection body 400 (for example, a plate structure is vertically provided at the end), an upset structure (the diameter of the end is larger than that of the other portion), an additional sleeve structure, or an additional nut structure. Alternatively, the protruding structures and/or the thickened structures may be provided at other portions than the end portions, and the number of the protruding structures and/or the thickened structures may be plural according to actual needs.

Although not shown in fig. 3, the connector 400 may be in the form of a steel plate according to the present disclosure. In addition to being in the form of a flat steel plate, the steel plate may include a reinforcing part to reinforce the coupling strength of the two prefabricated walls 100 and 200. For example, the steel plate connector may be a planar connector, and holes or protrusions, which will serve to enhance the connection strength of the two prefabricated walls 100 and 200, may be provided on the steel plate connector as a reinforcement. The steel plate connector may be a planar bent shape connector, and the bent shape portion serves as a reinforcement by increasing a contact area in a thickness direction of the prefabricated wall. In addition, the end of the steel plate connection body may be provided with an end plate structure or a thickened structure as a reinforcing portion. In the embodiment of the present disclosure, the steel plate connector may be a combination of any two or three of the above-described planar-shaped connector having an opening or a protrusion, planar-curved-shaped connector, and connector having an end plate structure or a thickened structure at an end thereof.

The various forms of connector 400 described above may be located in the cavities 104, 204 of the two prefabricated walls 100, 200, for example, one end or portion of the connector 400 may be located in the cavity 104 of the prefabricated wall 100, and the other end or portion of the connector 400 may be located in the cavity 204 of the prefabricated wall 200. In addition to the configuration shown in FIG. 3, the connector 400 may also extend through the cavities 104, 204, for example, an integral connector may be used in more prefabricated walls.

The connector 400 may be manufactured in a factory, transported to a site, connected to a prefabricated wall, and then cast with concrete.

According to an alternative embodiment of the present disclosure, as shown in fig. 3, the in-line horizontal connection structure of the laminated shear wall may further include vertical restraining connectors, such as vertical restraining bars 105, 205. Vertical restraining bars 105, 205 may be located in the cavities 104, 204, respectively, and extend in the height direction of the prefabricated wall, for example, the vertical restraining bars being inserted in the height direction of the prefabricated wall. The vertical restraining bars 105, 205 are each disposed at one end of the closed connector 400 (e.g., inside of an end having a U-shape or other closed form). Vertical restraining bars 105, 205 may be used to restrain and position the connector 400. On the one hand, the connector 400 can be prevented from shifting under the action of external force after being installed in place, so that the connector 400 is prevented from being adjusted again, construction is facilitated, and construction efficiency is improved. On the other hand, the connector 400 can be prevented from shifting in the later cast-in-place process, so that the casting quality is guaranteed, and the high strength and the high quality of the cast wall are guaranteed. Wherein, the quantity of vertical restraint reinforcing bar can be any number of suitable quantity, and the quantity of vertical restraint reinforcing bar of optional is two, when the guarantee retrains connector 400, avoids setting up a plurality of vertical restraint reinforcing bars to convenient construction reduces construction cost. Wherein, vertical restraint reinforcing bar can set up at the middle part of connector 400, and two vertical restraint reinforcing bars of optionally wear to establish respectively at the both ends of closed connecting reinforcement, convenient construction to further improve the efficiency of construction.

The connection between the connection bodies 400, the connection with the wall panel couplers 103 and 203, etc. may be various. For example, by steel wire, wire bonding, or by steel reinforcement, and optionally, one end of the connector 400 overlaps the wall panel coupler 103 of the prefabricated wall and the other end overlaps the wall panel coupler 203.

Additionally, the connector 400 can be in the form of a plurality of segments, for example, including a first segment connector, a majority of which can be located in the cavity 104 and one end extending into the cavity 204, and a second segment connector, a majority of which can be located in the cavity 204 and one end extending into the cavity 104.

The connector 400 may be provided in one or more layers. For example, the arrangement may be made according to the number of layers of the wall panel couplers 103, 203 of the prefabricated wall.

The concrete can be one or more of common concrete, high-strength concrete, fiber concrete, fine aggregate concrete, self-compacting concrete or foaming concrete.

The embodiment also comprises a construction method of the in-line horizontal connecting structure of the superposed shear wall, which comprises the steps of arranging the prefabricated wall in place to form in-line horizontal placement; placing the connector (e.g., inserted from the side of a prefabricated wall, etc.) such that at least a portion of the connector is positioned within the cavity of two adjacent prefabricated walls; and pouring concrete in the cavity. The prefabricated wall and the connecting body can be prefabricated and molded in a factory and conveyed to a construction site.

In addition, in the present embodiment, the two wall panels of the prefabricated wall can be in a staggered form or an aligned form; and/or mortise and tenon joint form or keyway form, and the various forms can be two or more than two. The detailed description thereof may refer to the description with respect to fig. 2. Although the prefabricated walls have different edge shapes, the connection of the connector to the prefabricated wall, etc. may be performed in the same manner as described above. In addition, concrete can be poured by means of formworks, for example, in the case of large gaps between adjacent wall panels of two prefabricated walls.

And a second embodiment (separated, rib-free and non-functional layer) of the superposed shear wall linear horizontal connection structure.

The main difference from the first embodiment of the in-line horizontal connecting structure of the superposed shear walls is that, in this embodiment, two adjacent prefabricated walls can be spaced apart by a certain distance, so that the spaced-apart space can form a cast-in-place section 300 (shown by a dotted line in fig. 4).

As shown in fig. 4, the in-line horizontal connecting structure of the superposed shear wall includes: a first prefabricated wall 100, a second prefabricated wall 200, and a connector 400. The first prefabricated wall 100 and the second prefabricated wall 200 are spaced apart by a predetermined distance, and the spaced-apart spaces 300 form a cast-in-place section (i.e., concrete is cast by means of formworks at both sides of the cast-in-place section at a construction site). The first prefabricated wall 100 and the second prefabricated wall 200 are horizontally arranged in parallel to form a straight-line-shaped connection node structure, wherein fig. 4 is a schematic top view of the first prefabricated wall 100 and the second prefabricated wall 200 after being arranged.

The first prefabricated wall 100 may comprise a first wall panel 101, a second wall panel 102 and a wall panel coupler 103 for connecting the first wall panel 101 and the second wall panel 102, forming a cavity 104 between the first wall panel 101 and the second wall panel 102. The second prefabricated wall 200 may comprise a first wall panel 201, a second wall panel 202 and a wall panel coupler 203 for connecting the first wall panel 201 and the second wall panel 202, forming a cavity 204 between the first wall panel 201 and the second wall panel 202. Wherein the first prefabricated wall 100 and the second prefabricated wall 200 can be prefabricated and formed in a factory and transported to a construction site by being hoisted in place.

The wall panel couplers 103, 203 may be in the form of a reinforcement cage or truss, etc., and are connected with the mesh of reinforcement embedded in the first and second wall panels 101, 201, 102, 202, respectively, to be fixed to the wall panels.

Use the shaping to connect the steel reinforcement cage as an example, the shaping connects the steel reinforcement cage including setting up in the thickness scope of first wallboard 101, 201 indulge the muscle at first wallboard, set up in the second wallboard of the thickness scope of second wallboard 102, 202 indulge the muscle and along a plurality of reinforcing bar net pieces that the direction of height interval of shaping connection steel reinforcement cage set up, one side and the first wallboard of reinforcing bar net piece are indulged the muscle and are connected, and the opposite side and the second wallboard of reinforcing bar net piece are indulged the muscle and are connected.

The connector 400 extends between the cavity 104 of the first prefabricated wall 100 and the cavity 204 of the second prefabricated wall 200, so that the two prefabricated walls are securely connected by the concrete and the connector after the concrete is poured in the cavities.

Although the connector 400 is shown in fig. 4 as being in the form of a steel bar, the connector 400 may also be in the form of a steel plate according to the present disclosure. When the connector 400 is in the form of a steel bar or a steel plate, the shape and the arrangement of the reinforcement part may be the same as those of the above-described embodiment of the in-line horizontal connection structure of the laminated shear wall. The arrangement mode of the vertical constraint connecting piece can also be the same as that of the horizontal connecting structure in the shape of the superposed shear wall. And will not be described in detail herein.

The connection means of the connection body 400 itself, the connection means with the wall panel couplers 103, 203, etc. may be various. For example, by steel wire, wire bonding, or by steel reinforcement, and optionally, one end of the connector 400 overlaps the wall panel coupler 103 of the prefabricated wall and the other end overlaps the wall panel coupler 203.

Additionally, the connector 400 can be in the form of a plurality of segments, for example, including a first segment connector, a majority of which can be located in the cavity 104 and an end extending into the cavity 204, and a second segment connector, a majority of which can be located in the cavity 204 and an end extending into the cavity 104.

The connector 400 may be provided in one or more layers. For example, the arrangement may be made according to the number of layers of the wall panel couplers 103, 203 of the prefabricated wall.

As shown in fig. 5, a connecting reinforcement cage 402 may be formed at the cast-in-place section 300, and the reinforcement cage 402 and the connecting reinforcement 401 together constitute the connector 400. The connecting reinforcement cage 402 may extend in the height direction of the cast-in-place section and the connecting reinforcement 401 extends in the width direction of the two prefabricated walls. The structure shown in fig. 5 may also include the vertical restraint described with reference to fig. 4, and the vertical restraining bars 105, 205, and perform the same function, etc. The connection mode of the connection bars 401 to the wall panel couplers 103 and 203 and the reinforcement cage 402 may be various, for example, the connection mode may be through steel wires, iron wires or through reinforcement couplers, and optionally, the connection bars 401 are overlapped on the wall panel coupler 103, the wall panel coupler 203 and the reinforcement cage 402 of the prefabricated wall. Furthermore, the connecting reinforcement 401 may be in the form of a plurality of segments, for example including a first segment connector that may be positioned at the cavity 104 at one end and at the reinforcement cage 402 at the other end, and a second segment connector that may be positioned at the reinforcement cage 402 at one end and at the cavity 204 at the other end. The connecting bars 401 may be provided in one or more layers. For example, the arrangement may be made according to the number of layers of the wall panel couplers 103, 203 and/or the reinforcement cage 402 of the prefabricated wall.

The connector 400, or the reinforcement cage 402 and the connection reinforcement 401, may be formed at a factory, transported to a site, connected to a prefabricated wall, and then poured with concrete.

The concrete can be one or more of common concrete, high-strength concrete, fiber concrete, fine aggregate concrete, self-compacting concrete or foaming concrete.

The embodiment also comprises a construction method of the in-line horizontal connecting structure of the superposed shear wall, which comprises the steps of arranging the prefabricated wall in place to form in-line horizontal placement; placing connectors (e.g., placing a reinforcement cage, inserting connecting reinforcements from the side of the prefabricated wall, etc.); and pouring concrete in the cavity. The prefabricated wall and the connecting body can be prefabricated and molded in a factory and conveyed to a construction site. In the case that the connector includes a reinforcement cage and a connection reinforcement, the construction method may include: arranging the prefabricated wall in place to form a horizontal in-line placement; placing a reinforcement cage; inserting the connecting reinforcing steel bars so that the connecting reinforcing steel bars are positioned in the cavities of the two adjacent prefabricated walls; and pouring concrete in the cavity and the cast-in-place section.

In addition, in the present embodiment, the two wall panels of the prefabricated wall can be in a staggered form or an aligned form; and/or mortise and tenon joint form or keyway form, and the various forms can be two or more than two. The detailed description thereof may refer to the description with respect to fig. 2. Although the prefabricated walls have different edge shapes, the connection of the connector to the prefabricated wall, etc. may be performed in the same manner as described above.

Embodiment three of the horizontal connection structure of the superposed shear wall (rib, separation or close, no functional layer)

In this embodiment, the ribs of the wall panels of two prefabricated walls form the connectors.

As shown in fig. 6, the in-line horizontal connecting structure of the superposed shear wall includes: a first prefabricated wall 100, a second prefabricated wall 200, and connectors 401 and 402. The first prefabricated wall 100 and the second prefabricated wall 200 are horizontally arranged in parallel to form a straight-line-shaped connection node structure.

FIG. 6a1 shows a schematic diagram of the separation of the ribs on the inside of the wall panel; FIG. 6a2 shows a schematic view of the joining of ribs on the inside of a wall panel; FIG. 6b1 shows a schematic diagram of the separation of the end-side ribbing of the wall panel; fig. 6b2 shows a schematic view of the joining of the end-ribbed wall panels. In addition to the illustrated manner, ribs may be formed on the outside of the wall panels.

The first prefabricated wall 100 may comprise a first wall panel 101, a second wall panel 102 and a wall panel coupler 103 for connecting the first wall panel 101 and the second wall panel 102, forming a cavity 104 between the first wall panel 101 and the second wall panel 102. The second prefabricated wall 200 may comprise a first wall panel 201, a second wall panel 202 and a wall panel coupler 203 for connecting the first wall panel 201 and the second wall panel 202, forming a cavity 204 between the first wall panel 201 and the second wall panel 202. Wherein the first prefabricated wall 100 and the second prefabricated wall 200 can be prefabricated and formed in a factory and transported to a construction site by being hoisted in place.

The wall panel couplers 103, 203 may be in the form of a reinforcement cage or truss, etc., and are connected with the mesh of reinforcement embedded in the first and second wall panels 101, 201, 102, 202, respectively, to be fixed to the two wall panels.

When the wallboard connectors 103 and 203 are in the form of the formed connecting reinforcement cage, the formed connecting reinforcement cage comprises a longitudinal rib of the first wallboard, a longitudinal rib of the second wallboard and a plurality of reinforcement meshes, wherein the longitudinal ribs of the second wallboard are arranged in the thickness range of the second wallboard 102 and 202, the reinforcement meshes are arranged in the height direction of the formed connecting reinforcement cage at intervals, one side of each reinforcement mesh is connected with the longitudinal rib of the first wallboard, and the other side of each reinforcement mesh is connected with the longitudinal rib of the second wallboard.

By way of example, the inside of the wall panel is ribbed as shown in fig. 6a1 and 6a2, and the end of the wall panel is ribbed as shown in fig. 6b1 and 6b 2. Reinforcing bars extend from the first wall panel 101, 201 and the second wall panel 102, 202, respectively, wherein the reinforcing bars extending from the first wall panel 101 and the second wall panel 102 constitute a first connector 401 and the reinforcing bars extending from the first wall panel 201 and the second wall panel 202 constitute a second connector 402. As shown in fig. 6a2 and 6b2, two connectors are overlapped or connected together to form a connector of two adjacent prefabricated walls.

According to the concepts of the present disclosure, it is optional to extend rebar from only one prefabricated wall to form connectors that can extend into the cavity of another prefabricated wall (e.g., connectors extending from the wall of a first prefabricated wall 100 that extend into the cavity of a second prefabricated wall); alternatively, rebar may extend from one wall panel of each of the two prefabricated walls to form a connector (e.g., first connector 401 extending from first wall panel 101, which extends to cavity 204, and second connector 402 extending from second wall panel 202, which extends to cavity 104), and so on. In sum, one end of the connecting body is positioned in the first wall board and/or the second wall board, and the other end of the connecting body extends to the outside from one side of the first wall board and/or the second wall board forming the cavity, or from the opposite side of the one side of the first wall board and/or the second wall board forming the cavity, or from the end part of the first wall board and/or the second wall board.

According to the present disclosure, the reinforcing bar connectors extending from the wall panel may be in the same form as the reinforcing bar linear connectors described above, for example, each reinforcing bar may be shaped such that: one of a broken line shape, a spiral shape, a hook shape or a wave shape, or a combination of a plurality of shapes, when the overall shape of two reinforcing bars extending from one prefabricated wall may be: the shape of the end part U, the shape of the end part ring, the shape of the rectangle, or the combination of a plurality of shapes. A reinforcing part for reinforcing the connection strength of the two prefabricated walls may be provided. The reinforcement may be a raised structure and/or a thickened structure provided at the end. The protruding structure can be a parallel rib or a transverse rib arranged at the end part of the connector. The thickening structure can be an end plate structure, an upsetting structure, an additional sleeve structure or an additional nut structure arranged at the end part. Alternatively, the protruding structures and/or the thickened structures may be provided at other portions than the end portions, and the number of the protruding structures and/or the thickened structures may be plural according to actual needs.

According to an alternative embodiment of the present disclosure, the in-line horizontal connecting structure of the superposed shear wall may further include the above-described vertical constraining connecting member.

The two connecting bodies 401, 402 may be connected in various ways. For example, the steel wire can be lapped, bound by steel wires or iron wires, or connected by a steel bar binder. The connectors 401, 402 may be provided in one or more layers.

It should be noted that although fig. 6 shows an example where there is a space (cast-in-place section) between two prefabricated walls, the two prefabricated walls may be closely connected, for example, the connecting body extending from one prefabricated wall extends completely into the cavity of the other prefabricated wall.

The prefabricated wall with the ribs can be molded and manufactured in a factory, transported to the site, connected with the prefabricated wall and then poured with concrete.

The concrete can be one or more of common concrete, high-strength concrete, fiber concrete, fine aggregate concrete, self-compacting concrete or foaming concrete.

The embodiment also comprises a construction method of the in-line horizontal connecting structure of the superposed shear wall, which comprises the steps of arranging the prefabricated wall in place to form in-line horizontal placement, so that two connectors are connected or overlapped; and pouring concrete in the cavity. The prefabricated wall and the connecting body can be prefabricated and molded in a factory and conveyed to a construction site.

In addition, in the present embodiment, two adjacent prefabricated walls are arranged in a separated form, but two wall panels of the prefabricated walls may be in a staggered form or an aligned form; and/or mortise and tenon joint form or keyway form, and the various forms can be two or more than two. The detailed description thereof may refer to the description with respect to fig. 2. Although the prefabricated walls have different edge shapes, the connection of the connector to the prefabricated wall, etc. may be performed in the same manner as described above.

The embodiment of the horizontal connection structure in a line shape of the superposed shear wall is IV (separated or close to, with or without ribs and with functional layers).

The main difference between this embodiment and the first, second, and third embodiment of the in-line horizontal connection structure of the superposed shear wall lies in that the prefabricated wall is a sandwich prefabricated wall, i.e., includes a functional layer.

Fig. 7 shows only a schematic diagram corresponding to fig. 5, but functional layers may be added on the basis of other modes of the first, second and third embodiments of the horizontal connection structure of the superposed shear wall. In the following, only fig. 7 will be described as an example.

In this embodiment, the in-line horizontal connecting structure of the superposed shear wall includes: a first prefabricated wall 100, a second prefabricated wall 200, and a connector 400. The first prefabricated wall 100 and the second prefabricated wall 200 are horizontally arranged in parallel to form a straight-line-shaped connection node structure, wherein fig. 7 is a schematic top view of the first prefabricated wall 100 and the second prefabricated wall 200 after being arranged.

The first prefabricated wall 100 may comprise a first wall panel 101, a second wall panel 102 and a wall panel coupler 103 for connecting the first wall panel 101 and the second wall panel 102, forming a cavity 104 between the first wall panel 101 and the second wall panel 102. The second prefabricated wall 200 may comprise a first wall panel 201, a second wall panel 202 and a wall panel coupler 203 for connecting the first wall panel 201 and the second wall panel 202, forming a cavity 204 between the first wall panel 201 and the second wall panel 202. Wherein the first prefabricated wall 100 and the second prefabricated wall 200 can be prefabricated and formed in a factory and transported to a construction site by being hoisted in place.

The first wall panel 101, 201 may be considered an outer panel and the second wall panel 102, 202 may be considered an inner panel.

The two prefabricated walls 100, 200 further comprise functional layers 106, 206, the functional layers 106, 206 may be heat insulating layers, fire retardant layers and/or waterproof layers, the functional layers 106, 206 are arranged on the inner side surfaces of the outer panels, and the functional layers 106, 206 and the inner panels form a cavity. As shown in fig. 7, the functional layers 106, 206 are arranged inside the first wall panel 101 and the first wall panel 201, respectively.

The connectors 103 and 104 of the wall panel include a first connector and a second connector, the second connector is a functional connector, the first connector is fixedly connected to the second wall panel, one end of the second connector passes through the functional layer and is fixedly connected to the first wall panel, and the other end of the second connector is fixedly connected to the second wall panel or is connected to the first connector. For example, the reinforcement cages 103 and 203 (which may also be in the form of truss reinforcements, connecting reinforcements, or reinforcement meshes) and the functional couplers 107 and 207 may be included, the reinforcement cages 103 and 203 are respectively fixed to the second wall panels 102 and 202, and one end of the functional couplers 107 and 207 is fixed to the first wall panels 101 and 201 through the functional layer. Although in fig. 7 it is shown that the other end of the functional bond 107, 207 is fastened to the second wall panel 102, 202, it is also possible that the functional bond 107, 207 does not extend into the second wall panel 102, 202, but the other end of the functional bond 107, 207 is connected to the reinforcement cage 103, 203. It should also be noted that although the reinforcement cages 103, 203 are illustrated herein, the form of the coupling of the wall panels described in the other embodiments may also be used. In addition, when the functional layer is a heat insulating layer, the functional bond 107 is a heat insulating bond.

In this embodiment, except for the addition of the functional layer and the corresponding functional layer combination member, other structures may be respectively the same as those in the first, second, and third embodiments of the in-line horizontal connecting structure of the superposed shear wall. For the sake of brevity, the two prefabricated walls are illustrated as being separated, and the details of the abutting form and the ribbed form can be referred to the corresponding embodiments described above.

The connector 400 is the same as the connector described above with respect to the separated form, the abutting form, and the rib-forming form, and thus the description thereof is omitted.

The vertical restraining connections in this embodiment may also be the same as in the previous embodiments. The connection of the connector to the wall panel coupling may also be the same as in the previous embodiments. The number of layers of the connector may be set as in the above embodiment.

The concrete can be one or more of common concrete, high-strength concrete, fiber concrete, fine aggregate concrete, self-compacting concrete or foaming concrete.

The construction method of the in-line horizontal connection structure of the superposed shear wall in the embodiment may also be the same as the above embodiments according to specific forms.

In addition, in the present embodiment, the two wall panels of the prefabricated wall can be in a staggered form or an aligned form; and/or mortise and tenon joint form or keyway form, and the various forms can be two or more than two. The detailed description thereof may refer to the description with respect to fig. 2. Although the prefabricated walls have different edge shapes, the connection of the connector to the prefabricated wall, etc. may be performed in the same manner as described above.

Further, various structures of the laminated shear wall including the functional layer will be described below.

For example, in the separated form as shown in fig. 7, on the connecting side of the sandwich prefabricated wall (the side of one sandwich prefabricated wall close to the other sandwich prefabricated wall), the inner leaf plates of the sandwich prefabricated wall are shorter than the outer leaf plates of the sandwich prefabricated wall in the horizontal direction, the outer leaf plates of the two sandwich prefabricated walls are arranged close to each other, and a gap (smaller) required by construction is arranged, so that after the two sandwich prefabricated walls are hoisted in place, a gap is formed between the two inner leaf plates, and the gap extends to the function plate in the width direction to form a cast-in-place section. The shaping connecting reinforcement cage is arranged at the cast-in-place section, one section of the connecting reinforcement is connected with the prefabricated wall, and the other section of the connecting reinforcement is connected with the shaping connecting reinforcement cage.

The first embodiment of the L-shaped horizontal connecting structure of the superposed shear wall (the inner leaf plate is tightly close to the outer wall without ribs and has no functional layer).

As shown in fig. 8, the L-shaped horizontal connecting structure of the superposed shear wall includes: a first prefabricated wall 100, a second prefabricated wall 200, and connectors 401 and 402. The first prefabricated wall 100 and the second prefabricated wall 200 are horizontally arranged in parallel to form an L-shaped connection node structure, wherein fig. 8 is a schematic top view of the first prefabricated wall 100 and the second prefabricated wall 200 after being arranged.

The first prefabricated wall 100 may comprise a first wall panel 101, a second wall panel 102 and a wall panel coupler 103 for connecting the first wall panel 101 and the second wall panel 102, forming a cavity 104 between the first wall panel 101 and the second wall panel 102. The second prefabricated wall 200 may comprise a first wall panel 201, a second wall panel 202 and a wall panel coupler 203 for connecting the first wall panel 201 and the second wall panel 202, forming a cavity 204 between the first wall panel 201 and the second wall panel 202. Wherein the first prefabricated wall 100 and the second prefabricated wall 200 can be prefabricated and formed in a factory and transported to a construction site by being hoisted in place.

The embodiment shown in figure 8 is such that the second panels 102, 202 abut and form a cast-in-place section 300 where the two prefabricated walls are joined.

The wall panel couplers 103, 203 may be in the form of a reinforcement cage or truss, etc., and are connected with the mesh of reinforcement embedded in the first and second wall panels 101, 201, 102, 202, respectively, to be fixed to the wall panels.

Under the condition that the wall panel conjunction 103, 203 are the shaping connection steel reinforcement cage, the shaping connection steel reinforcement cage is indulged the muscle including setting up in the thickness scope of first wallboard 101, 201 and is indulged the muscle at first wallboard, setting up and indulge the muscle and follow a plurality of reinforcing bar net pieces that the direction of height interval of shaping connection steel reinforcement cage in the second wallboard 102, 202, and one side and the first wallboard of reinforcing bar net piece are indulged the muscle and are connected, and the opposite side and the second wallboard of reinforcing bar net piece are indulged the muscle and are connected.

Although the connecting bodies 401, 402 are shown in fig. 8 as being in the form of reinforcing bars, the connecting bodies 401, 402 may also be in the form of steel plates according to the present disclosure. In addition, although the connection bodies 401 and 402 are shown in a separated form in fig. 8, they may be provided in an integrated form according to actual needs, and the description will be made with reference to the separated form.

When the connectors 401, 402 are in a separated form, the ends of the two that meet can be joined or overlapped together, as shown in fig. 8.

When the connection bodies 401 and 402 are in the form of reinforcing bars, the shape of the connection bodies 401 and 402 may be a straight line as shown in fig. 8, and the shape of the connection bodies 401 and 402 may also be set to a shape that enhances the connection strength between the first prefabricated wall 100 and the second prefabricated wall 200. For example, in order to enhance the connection strength between the two prefabricated walls, the connection bodies 401 and 402 may be shaped in such a manner that the contact area with the concrete poured in situ in the cavities 104 and 204 is larger in the thickness direction of the prefabricated wall, so as to enhance the connection strength between the first prefabricated wall 100 and the second prefabricated wall 200 of the prefabricated wall of fig. 8.

For example, the connectors 401, 402 may include a one-dimensional form of a reinforcing bar linear connector, and the reinforcing bar linear connector may be: a combination shape of one or more of a dogleg shape (e.g., a dogleg-type bend or the like is made at both ends of a reinforcing bar so that a contact area with concrete in a thickness direction of the prefabricated wall is increased by the dogleg shape), a spiral shape (e.g., a reinforcing bar in a spiral form or the like is used so that a contact area with concrete in the thickness direction of the prefabricated wall is increased by the spiral shape), a hook shape (e.g., a hook is provided at both ends of a reinforcing bar so that a contact area with concrete in the thickness direction of the prefabricated wall is increased by the hook shape), or a corrugated shape (e.g., a reinforcing bar in a corrugated shape or other curved shape or the like so that a contact area with concrete in the thickness direction of the prefabricated wall is increased by the corrugated or curved shape). The connectors 401, 402 may include a reinforcing bar sheet connector in a two-dimensional form, and the reinforcing bar sheet connector may be: the closed reinforcing steel bars can improve the strength of the connecting reinforcing steel bars, and under the condition that the same strength can be achieved, the length of the closed reinforcing steel bars can be smaller than that of straight single reinforcing steel bars, so that the interference between the prefabricated wall and other components can be avoided, and the construction is further facilitated. The connectors 401, 402 may comprise a reinforcement cage connector in a three-dimensional form, and the reinforcement cage connector may be: the steel bar cage-shaped connector formed by the steel bar sheet-shaped connector and the steel bar linear connector, the steel bar cage-shaped connector formed by the steel bar linear connector, or the steel bar cage-shaped connector formed by the steel bar sheet-shaped connector. In the embodiment of the present disclosure, the connectors 401 and 402 may also be a combination of any two or three of the above one-dimensional form of the reinforcing steel bar linear connector, two-dimensional form of the reinforcing steel bar sheet connector, and three-dimensional form of the reinforcing steel bar cage connector, for example, the reinforcing steel bar linear connector in the three-dimensional form of the reinforcing steel bar cage connector may be in the form of one-dimensional form of the reinforcing steel bar linear connector, and the reinforcing steel bar sheet connector may be in the form of two-dimensional form of the reinforcing steel bar sheet connector; the reinforcing steel used in the two-dimensional form reinforcing steel sheet connector and the three-dimensional form reinforcing steel cage connector may be in the shape of one-dimensional form reinforcing steel linear connector, and the like. Those skilled in the art can combine the concepts of the present disclosure.

The connection bodies 401, 402 in the form of reinforcing bars may be provided with reinforcing parts that reinforce the connection strength of the two prefabricated walls 100, 200. The reinforcement may be a raised structure and/or a thickened structure provided at the ends of the connectors 401, 402. The convex structure can be a parallel rib (arranged in the extending direction of the connecting body) or a transverse rib (arranged perpendicular to the extending direction of the connecting body) arranged at the end part of the connecting body, and the arrangement can be fixed by welding and the like. The thickening structure may be an end plate structure (for example, a plate structure vertically provided at the end), an upset structure (the diameter of the end is larger than that of the other portion), an additional sleeve structure, or an additional nut structure provided at the end of the connecting bodies 401, 402. Alternatively, the protruding structures and/or the thickened structures may be provided at other portions than the end portions, and the number of the protruding structures and/or the thickened structures may be plural according to actual needs.

Although not shown in fig. 8, the connecting bodies 401, 402 may also be in the form of steel plates according to the present disclosure. In addition to being in the form of a flat steel plate, the steel plate may include a reinforcing part to reinforce the coupling strength of the two prefabricated walls 100 and 200. For example, the steel plate connector may be a planar connector, and holes or protrusions, which will serve to enhance the connection strength of the two prefabricated walls 100 and 200, may be provided on the steel plate connector as a reinforcement. The steel plate connector may be a planar bent shape connector, and the bent shape portion serves as a reinforcement by increasing a contact area in a thickness direction of the prefabricated wall. In addition, the end of the steel plate connection body may be provided with an end plate structure or a thickened structure as a reinforcing portion. In the embodiment of the present disclosure, the steel plate connector may be a combination of any two or three of the above-described planar-shaped connector having an opening or a protrusion, planar-curved-shaped connector, and connector having an end plate structure or a thickened structure at an end thereof.

The various forms of connectors 401, 402 described above may be located in the cavities 104, 204 of both prefabricated walls 100, 200, for example one end or part of the connector 401, 402 may be located in the cavity 104 of the prefabricated wall 100 and the other end or part of the connector 401, 402 may be located in the cast-in-place section 300.

The connectors 401, 402 may be formed at the factory, transported to the site, connected to prefabricated walls, and then poured with concrete.

According to an alternative embodiment of the present disclosure, as shown in fig. 8, the L-shaped horizontal connecting structure of the superposed shear wall may further include vertical constraining connectors, such as vertical constraining bars 105, 205, 305. Vertical restraining bars 105, 205, 305 may be located in cavities 104, 204 and cast-in-place section 300, respectively, and extend in the height direction of the prefabricated wall. Vertical restraining bars 105, 205, 305 are provided through one end (e.g., having a U-shaped end or other closed form end) of the closed connectors 401, 402, respectively. Vertical restraining bars 105, 205, 305 may be used to restrain and position connectors 401, 402. On the one hand, the connecting bodies 401 and 402 can be prevented from shifting under the action of external force after being installed in place, so that the connecting bodies 401 and 402 are prevented from being adjusted again, construction is facilitated, and construction efficiency is improved. On the other hand, the connectors 401 and 402 can be prevented from shifting in the later cast-in-place process, so that the casting quality is guaranteed, and the high strength and the high quality of the cast wall are guaranteed. The number of the vertical constraint reinforcing steel bars can be any number of the proper number, the number of the optional vertical constraint reinforcing steel bars is two, and the vertical constraint reinforcing steel bars are prevented from being arranged while the connectors 401 and 402 are constrained, so that construction is facilitated, and construction cost is reduced. Wherein, vertical restraint reinforcing bar can set up at the middle part of connector 401, 402, and optionally three vertical restraint reinforcing bar wears to establish respectively at the both ends of closed connecting reinforcement, convenient construction to further improve the efficiency of construction.

As shown in fig. 8, a profiled connecting reinforcement cage 403 may be provided at the cast-in-place section 300. A profiled connecting reinforcement cage 403 may be provided at the cast-in-place section 300, which reinforcement cage 403 together with the connecting reinforcements 401, 402 forms a connecting body. The profiled connecting reinforcement cage 403 may extend in the height direction of the cast-in-place section 300 and the connecting reinforcements 401, 402 extend in the width direction of the two prefabricated walls.

The connection of the connecting bodies 401, 402 to each other and to the wall panel couplers 103, 203 may be various. For example, they may be tied together by steel wires or wires, or connected by rebar junctions, and optionally, one end of each connector 401, 402 may be lapped or connected to a wall panel junction 103, 203 of the prefabricated wall, and the other end may be lapped or connected to each other, or lapped or connected to a formed connecting rebar cage 403.

The connectors 401, 402 may be provided in one or more layers. For example, the arrangement may be made according to the number of the wall panel couplers 103 and 203 or the number of the formed connection reinforcement cages 403 of the prefabricated wall.

The concrete can be one or more of common concrete, high-strength concrete, fiber concrete, fine aggregate concrete, self-compacting concrete or foaming concrete.

The embodiment also comprises a construction method of the L-shaped horizontal connecting structure of the superposed shear wall, which comprises the steps of arranging the prefabricated wall in place to form an L-shaped horizontal arrangement; placing connectors (e.g., inserted from the side of a prefabricated wall, etc.) such that the connectors are located in the cavities of two adjacent prefabricated walls; and pouring concrete in the cavity. The prefabricated wall and the connecting body can be prefabricated and molded in a factory and conveyed to a construction site.

In addition, in the present embodiment, two adjacent prefabricated walls are arranged in an abutting form, but two wall panels of the prefabricated walls may be in a staggered form or in an aligned form; and/or mortise and tenon joint form or keyway form, and the various forms can be two or more than two. The detailed description thereof may refer to the description with respect to fig. 2. Although the prefabricated walls have different edge shapes, the connection of the connector to the prefabricated wall, etc. may be performed in the same manner as described above. In addition, concrete can be poured by means of formworks, for example, in the case of large gaps between adjacent wall panels of two prefabricated walls.

And a second embodiment (separated, rib-free and non-functional layer) of the L-shaped horizontal connecting structure of the superposed shear wall.

The first embodiment of the L-shaped horizontal connecting structure of the superposed shear wall is mainly different from the first embodiment of the L-shaped horizontal connecting structure of the superposed shear wall in that: in this embodiment, adjacent prefabricated walls may be spaced apart a distance such that the spaced apart spaces form the cast-in-place section 300.

As shown in fig. 9, the L-shaped horizontal connecting structure of the superposed shear wall includes: a first prefabricated wall 100, a second prefabricated wall 200, and connectors 401 and 402. The first prefabricated wall 100 and the second prefabricated wall 200 are spaced apart by a predetermined distance, and the spaced apart space is a cast-in-place section 300 (i.e., concrete is cast by means of formworks at both sides of the cast-in-place section at a construction site). First prefabricated wall 100 and second prefabricated wall 200 are horizontally arranged in parallel to form an L-shaped connection node structure, wherein fig. 9 is a schematic top view of first prefabricated wall 100 and second prefabricated wall 200 after being arranged.

The first prefabricated wall 100 may comprise a first wall panel 101, a second wall panel 102 and a wall panel coupler 103 for connecting the first wall panel 101 and the second wall panel 102, forming a cavity 104 between the first wall panel 101 and the second wall panel 102. The second prefabricated wall 200 may comprise a first wall panel 201, a second wall panel 202 and a wall panel coupler 203 for connecting the first wall panel 201 and the second wall panel 202, forming a cavity 204 between the first wall panel 201 and the second wall panel 202. Wherein the first prefabricated wall 100 and the second prefabricated wall 200 can be prefabricated and formed in a factory and transported to a construction site by being hoisted in place.

The wall panel couplers 103, 203 may be in the form of a reinforcement cage or truss, etc., and are connected with the mesh of reinforcement embedded in the first and second wall panels 101, 201, 102, 202, respectively, to be fixed to the two wall panels.

Under the condition that the wall panel conjunction 103, 203 are the shaping connection steel reinforcement cage, the shaping connection steel reinforcement cage is indulged the muscle including setting up in the thickness scope of first wallboard 101, 201 and is indulged the muscle at first wallboard, setting up and indulge the muscle and follow a plurality of reinforcing bar net pieces that the direction of height interval of shaping connection steel reinforcement cage in the second wallboard 102, 202, and one side and the first wallboard of reinforcing bar net piece are indulged the muscle and are connected, and the opposite side and the second wallboard of reinforcing bar net piece are indulged the muscle and are connected.

Although the connecting bodies 401, 402 are shown in fig. 9 as being in the form of reinforcing bars, the connecting bodies 401, 402 may also be in the form of steel plates according to the present disclosure. According to actual needs, the two can be integrated, and the description will be made with reference to fig. 9.

When the connectors 401, 402 are in a separated form, the ends of the two that meet can be joined or overlapped together, as shown in fig. 9.

The use condition of the connectors 401 and 402 in the form of steel bars or steel plates is the same as that of the first L-shaped horizontal connection structure of the superposed shear wall, the use of the vertical constraint connectors may be the same as that of the first L-shaped horizontal connection structure of the superposed shear wall, the interconnection mode of the connectors 401 and 402 and the connection mode of the wall plate connectors 103 and 203 may be the same as that of the first L-shaped horizontal connection structure of the superposed shear wall, and the layer number setting of the connectors 401 and 402 may be the same as that of the first L-shaped horizontal connection structure of the superposed shear wall, and will not be described herein again.

The connectors 401 and 402, or the reinforcement cage 403 and the connecting reinforcement 401, may be formed at the factory, transported to the site, connected to the prefabricated wall, and then poured with concrete.

The concrete can be one or more of common concrete, high-strength concrete, fiber concrete, fine aggregate concrete, self-compacting concrete or foaming concrete.

The embodiment also comprises a construction method of the L-shaped horizontal connecting structure of the superposed shear wall, which comprises the steps of arranging the prefabricated wall in place to form an L-shaped horizontal arrangement; placing connectors (e.g., inserted from the side of a prefabricated wall, etc.) such that the connectors are located in the cavities of two adjacent prefabricated walls; and pouring concrete in the cavity. The prefabricated wall and the connecting body can be prefabricated and molded in a factory and conveyed to a construction site. In the case that the connector includes a reinforcement cage and a connection reinforcement, the construction method may include: arranging the prefabricated wall in place to form an L-shaped horizontal placement; placing a reinforcement cage; inserting the connecting reinforcing steel bars so that the connecting reinforcing steel bars are positioned in the cavities of the two adjacent prefabricated walls; and pouring concrete in the cavity and the cast-in-place section.

In addition, in the present embodiment, the two wall panels of the prefabricated wall can be in a staggered form or an aligned form; and/or mortise and tenon joint form or keyway form, and the various forms can be two or more than two. The detailed description thereof may refer to the description with respect to fig. 2. Although the prefabricated walls have different edge shapes, the connection of the connector to the prefabricated wall, etc. may be performed in the same manner as described above.

L-shaped horizontal connection structure of the superimposed shear wall embodiment III (rib, separation or close, no functional layer)

In this embodiment, the ribs of the wall panels of two prefabricated walls form the connectors. As shown in fig. 10, the L-shaped horizontal connecting structure of the superposed shear wall includes: a first prefabricated wall 100, a second prefabricated wall 200, and a connector 400. The first prefabricated wall 100 and the second prefabricated wall 200 are horizontally arranged in parallel to form an L-shaped connection node structure.

FIG. 10a shows a schematic view of the inside out-beading of the wallboard; figure 10b shows a schematic view of the panel end beading. In addition to the illustrated form, ribs or the like may be formed on the outside of the wall panels.

The first prefabricated wall 100 may comprise a first wall panel 101, a second wall panel 102 and a wall panel coupler 103 for connecting the first wall panel 101 and the second wall panel 102, forming a cavity 104 between the first wall panel 101 and the second wall panel 102. The second prefabricated wall 200 may comprise a first wall panel 201, a second wall panel 202 and a wall panel coupler 203 for connecting the first wall panel 201 and the second wall panel 202, forming a cavity 204 between the first wall panel 201 and the second wall panel 202. Wherein the first prefabricated wall 100 and the second prefabricated wall 200 can be prefabricated and formed in a factory and transported to a construction site by being hoisted in place.

In fig. 10, the second wall panels are shown joined, but the first wall panels may be spaced apart a predetermined distance. The adjacent place between two prefabricated walls forms a cast-in-place section 300.

The wall panel couplers 103, 203 may be in the form of a reinforcement cage or truss, etc., and are connected with the mesh of reinforcement embedded in the first and second wall panels 101, 201, 102, 202, respectively, to be fixed to the two wall panels.

Under the condition that the wall panel conjunction 103, 203 are the shaping connection steel reinforcement cage, the shaping connection steel reinforcement cage is indulged the muscle including setting up in the thickness scope of first wallboard 101, 201 and is indulged the muscle at first wallboard, setting up and indulge the muscle and follow a plurality of reinforcing bar net pieces that the direction of height interval of shaping connection steel reinforcement cage in the second wallboard 102, 202, and one side and the first wallboard of reinforcing bar net piece are indulged the muscle and are connected, and the opposite side and the second wallboard of reinforcing bar net piece are indulged the muscle and are connected.

As shown in fig. 10a, ribs are formed on the inner side of the wall panel, and as shown in fig. 10b, ribs are formed on the end side of the wall panel. Reinforcing bars extend from the first wall panel 101, 201 and the second wall panel 102, 202, respectively, wherein the reinforcing bars extending from the first wall panel 101 and the second wall panel 102 constitute a first connector 401 and the reinforcing bars extending from the first wall panel 201 and the second wall panel 202 constitute a second connector 402. As shown in fig. 10a and 10b, two connectors are overlapped to form a connector of two adjacent prefabricated walls.

According to the idea of the present disclosure, the connecting body is formed by extending the steel bars from only one prefabricated wall, and the connecting body can extend into the cast-in-situ section; alternatively, rebar can extend from only one wall panel of the prefabricated wall (e.g., rebar from first wall panel 101, rebar from second wall panel 202), and so forth.

According to the present disclosure, the reinforcing bar connectors extending from the wall panel may be in the same form as the reinforcing bar linear connectors described above, for example, each reinforcing bar may be shaped such that: one of a broken line shape, a spiral shape, a hook shape or a wave shape, or a combination of a plurality of shapes, when the overall shape of two reinforcing bars extending from one prefabricated wall may be: the shape of the end part U, the shape of the end part ring, the shape of the rectangle, or the combination of a plurality of shapes. A reinforcing part for reinforcing the connection strength of the two prefabricated walls may be provided. The reinforcement may be a raised structure and/or a thickened structure provided at the end. The protruding structure can be a parallel rib or a transverse rib arranged at the end part of the connector. The thickening structure can be an end plate structure, an upsetting structure, an additional sleeve structure or an additional nut structure arranged at the end part. Alternatively, the protruding structures and/or the thickened structures may be provided at other portions than the end portions, and the number of the protruding structures and/or the thickened structures may be plural according to actual needs.

According to an alternative embodiment of the present disclosure, the L-shaped horizontal connecting structure of the superposed shear wall may further include the above-described vertical constraining connecting member.

The connection of the two connectors can be in various ways. For example, the steel wire can be lapped, bound by steel wires or iron wires, or connected by a steel bar binder. The linker may be provided in one or more layers.

It should be noted that although an example in which a cast-in-place section exists between two prefabricated walls is shown in fig. 10, the two prefabricated walls may be closely connected.

The prefabricated wall with the ribs can be molded and manufactured in a factory, transported to the site, connected with the prefabricated wall and then poured with concrete.

The concrete can be one or more of common concrete, high-strength concrete, fiber concrete, fine aggregate concrete, self-compacting concrete or foaming concrete.

The embodiment also comprises a construction method of the L-shaped horizontal connecting structure of the superposed shear wall, which comprises the steps of arranging the prefabricated wall in place to form an L-shaped horizontal arrangement; and pouring concrete in the cavity. The prefabricated wall and the connecting body can be prefabricated and molded in a factory and conveyed to a construction site.

In addition, in the present embodiment, the two wall panels of the prefabricated wall can be in a staggered form or an aligned form; and/or mortise and tenon joint form or keyway form, and the various forms can be two or more than two. The detailed description thereof may refer to the description with respect to fig. 2. Although the prefabricated walls have different edge shapes, the connection of the connector to the prefabricated wall, etc. may be performed in the same manner as described above.

And a fourth embodiment (separated or abutted, rib or no rib is formed, and a functional layer is formed) of the L-shaped horizontal connecting structure of the superposed shear wall.

The main difference between this embodiment and the first, second, and third embodiments of the L-shaped horizontal connection structure of the superposed shear wall lies in that the prefabricated wall is a sandwich prefabricated wall, i.e., includes a functional layer.

Fig. 11 shows only a schematic diagram corresponding to fig. 9, but functional layers may be added on the basis of other modes of the first, second and third embodiments of the L-shaped horizontal connection structure of the superposed shear wall. Hereinafter, description will be made only by taking fig. 11 as an example.

In this embodiment, the L-shaped horizontal connecting structure of the superposed shear wall includes: a first prefabricated wall 100, a second prefabricated wall 200, and connectors 401 and 402. First prefabricated wall 100 and second prefabricated wall 200 are horizontally arranged in parallel to form an L-shaped connection node structure, wherein fig. 11 is a schematic top view of first prefabricated wall 100 and second prefabricated wall 200 after being arranged.

The first prefabricated wall 100 may comprise a first wall panel 101, a second wall panel 102 and a wall panel coupler 103 for connecting the first wall panel 101 and the second wall panel 102, forming a cavity 104 between the first wall panel 101 and the second wall panel 102. The second prefabricated wall 200 may comprise a first wall panel 201, a second wall panel 202 and a wall panel coupler 203 for connecting the first wall panel 201 and the second wall panel 202, forming a cavity 204 between the first wall panel 201 and the second wall panel 202. Wherein the first prefabricated wall 100 and the second prefabricated wall 200 can be prefabricated and formed in a factory and transported to a construction site by being hoisted in place.

The two prefabricated walls 100, 200 further comprise a functional layer 106, 206, the functional layer 106, 206 may be an insulating layer, a fire-proof layer and/or a waterproof layer, the functional layer 106, 206 is disposed on an inner side of one of the first wall panel and the second wall panel, and the functional layer 106, 206 and the other of the first wall panel and the second wall panel form a cavity. As shown, the functional layers 106, 206 are arranged inside the first wall panel 101 and the first wall panel 201, respectively.

The first wall panel 101, 201 may be considered an outer panel and the second wall panel 102, 202 may be considered an inner panel.

The bonding element 103, 203 of the wall panel may include a first bonding element and a second bonding element, the second bonding element is a functional bonding element, the first bonding element is fixedly connected to the second wall panel, one end of the second bonding element passes through the functional layer and is fixedly connected to the first wall panel, and the other end of the second bonding element is fixedly connected to the second wall panel or is connected to the first bonding element. For example, a reinforcement cage 103, 203 (which may also be in the form of truss reinforcement, connecting reinforcement, or mesh reinforcement) and a functional bonding member 107, 207 may be included, the reinforcement cage 103 is secured to the second wall panel 102, 202, and one end of the functional bonding member 107, 207 is secured to the first wall panel 101, 201 through the functional layer. Although in fig. 11 it is shown that the other end of the functional bond 107, 207 is fastened to the second wall panel 102, 202, it may also extend into the second wall panel 102, 202, but the other end of the functional bond 107, 207 is connected to the reinforcement cage 103. It should also be noted that although the reinforcement cages 103, 203 are illustrated herein, the form of the coupling of the wall panels described in the other embodiments may also be used. The wall panel couplers 103, 203 may be in the form of trusses or the like and are connected to the mesh of reinforcing bars embedded in the first and second wall panels 101, 201, 102, 202, respectively, to be fixed to the two wall panels. In addition, when the functional layer is a heat insulating layer, the functional bonding members 107 and 207 are heat insulating bonding members.

In this embodiment, except for the addition of the functional layer and the corresponding functional layer combination member, other structures may be the same as those in the first, second, and third embodiments of the L-shaped horizontal connecting structure of the superposed shear wall, respectively. For the sake of brevity, the two prefabricated walls are illustrated as being separated, and the details of the abutting form and the ribbed form can be referred to the corresponding embodiments described above.

The connectors 401, 402 are the same as the corresponding connectors in the above-described embodiments according to the separation form, the abutting form and the rib forming form, and are not described again here. Additionally, a reinforcement cage 403 may also be included.

The vertical restraining and connecting member in this embodiment may also be the same as the first, second, and third embodiments of the L-shaped horizontal connecting structure of the superposed shear wall. The connection mode of the connector and the wallboard connector can also be the same as the first, second and third embodiments of the L-shaped horizontal connection structure of the superposed shear wall. The layer number of the connecting body can be the same as the first, second and third embodiments of the L-shaped horizontal connecting structure of the superposed shear wall.

The concrete can be one or more of common concrete, high-strength concrete, fiber concrete, fine aggregate concrete, self-compacting concrete or foaming concrete.

The construction method of the L-shaped horizontal connecting structure of the superposed shear wall according to this embodiment may also be the same as that of the above embodiments according to specific forms.

In addition, in the present embodiment, the two wall panels of the prefabricated wall can be in a staggered form or an aligned form; and/or mortise and tenon joint form or keyway form, and the various forms can be two or more than two. The detailed description thereof may refer to the description with respect to fig. 2. Although the prefabricated walls have different edge shapes, the connection of the connector to the prefabricated wall, etc. may be performed in the same manner as described above.

The first embodiment of the T-shaped horizontal connecting structure of the superposed shear wall (a vertical prefabricated wall is close to, no rib is arranged, and no functional layer is arranged).

As shown in fig. 12, the T-shaped horizontal connection structure of the superposed shear wall includes: a first prefabricated wall 100, a second prefabricated wall 200, a third prefabricated wall 300, and connectors 401, 402, 403. First prefabricated wall 100, second prefabricated wall 200 and third prefabricated wall 300 are horizontally arranged in parallel to form a T-shaped connection node structure, wherein fig. 12 is a schematic top view of first prefabricated wall 100, second prefabricated wall 200 and third prefabricated wall 300 after being arranged.

The first prefabricated wall 100 may comprise a first wall panel 101, a second wall panel 102 and a wall panel coupler 103 for connecting the first wall panel 101 and the second wall panel 102, forming a cavity 104 between the first wall panel 101 and the second wall panel 102. The second prefabricated wall 200 may comprise a first wall panel 201, a second wall panel 202 and a wall panel coupler 203 for connecting the first wall panel 201 and the second wall panel 202, forming a cavity 204 between the first wall panel 201 and the second wall panel 202. Third prefabricated wall 300 may include first wall panel 301, second wall panel 302, and wall panel coupler 303 for connecting first wall panel 3301 and second wall panel 302, forming cavity 304 between first wall panel 301 and second wall panel 302. Wherein the first prefabricated wall 100, the second prefabricated wall 200 and the third prefabricated wall 300 can be prefabricated and formed in a factory and transported to a construction site by being hoisted in place.

Fig. 12 shows an example in which a first prefabricated wall 100 and a second prefabricated wall 200 are installed in line, a third prefabricated wall 300 is vertically installed adjacent to the first prefabricated wall 100 and the second prefabricated wall 200 and is closely attached to the first prefabricated wall 100 and the second prefabricated wall 200, and a cast-in-place section 500 is formed at the junction of the first prefabricated wall 100 and the second prefabricated wall 200.

The wall panel couplers 103, 203 and 303 may be in the form of reinforcement cages or trusses, etc. and are connected with the mesh of reinforcement embedded in the first wall panels 101, 201 and 301 and the second wall panels 102, 202 and 302, respectively, to be fixed to the wall panels.

Under the condition that the wall panel connectors 103, 203 and 303 are the forming connection reinforcement cage, the forming connection reinforcement cage comprises a first wall panel longitudinal rib arranged in the thickness range of the first wall panels 101, 201 and 301, a second wall panel longitudinal rib arranged in the thickness range of the second wall panels 102, 202 and 302 and a plurality of reinforcement meshes arranged at intervals along the height direction of the forming connection reinforcement cage, one side of each reinforcement mesh is connected with the first wall panel longitudinal rib, and the other side of each reinforcement mesh is connected with the second wall panel longitudinal rib.

Although the connecting bodies 401, 402, 403 are shown in fig. 12 as being in the form of reinforcing bars, the connecting bodies 401, 402, 403 may also be in the form of steel plates according to the present disclosure. In addition, although the connecting bodies 401 and 402 are shown in fig. 12 as an integral form and 403 as a separate form, the three may be provided in an integral form or in a separate form according to actual needs, and the description will be made with reference to the form shown in fig. 12.

As shown in fig. 12, when the connecting bodies 401 and 402 are integrated and 403 is in a separated form, a portion of the connecting bodies 401 and 402 are located in the cavities 104 and 204, respectively, and the connecting body 403 is connected or lapped to the middle of the connecting bodies 401 and 402 and a portion is located in the cavity 304.

When the connection bodies 401, 402, 403 are in the form of reinforcing bars, the shape of the connection bodies 401, 402, 403 may be a straight line as shown in fig. 12, and the shape of the connection bodies 401, 402, 403 may also be set to a shape that enhances the strength of connection between the first prefabricated wall 100 and the second prefabricated wall 200. For example, in order to enhance the connection strength between the three prefabricated walls, the connection bodies 401, 402, 403 may be shaped to have a larger contact area with the concrete poured in situ in the cavities 104, 204, and 304 in the thickness direction of the prefabricated wall, so as to enhance the connection strength between the first prefabricated wall 100, the second prefabricated wall 200, and the third prefabricated wall 300 of the prefabricated wall of fig. 12.

For example, the connectors 401, 402, 403 may include a one-dimensional form of a reinforcing bar linear connector, and the reinforcing bar linear connector may be: a combination shape of one or more of a dogleg shape (e.g., a dogleg-type bend or the like is made at both ends of a reinforcing bar so that a contact area with concrete in a thickness direction of the prefabricated wall is increased by the dogleg shape), a spiral shape (e.g., a reinforcing bar in a spiral form or the like is used so that a contact area with concrete in the thickness direction of the prefabricated wall is increased by the spiral shape), a hook shape (e.g., a hook is provided at both ends of a reinforcing bar so that a contact area with concrete in the thickness direction of the prefabricated wall is increased by the hook shape), or a corrugated shape (e.g., a reinforcing bar in a corrugated shape or other curved shape or the like so that a contact area with concrete in the thickness direction of the prefabricated wall is increased by the corrugated or curved shape). The connectors 401, 402, 403 may include a reinforcing bar sheet connector in a two-dimensional form, and the reinforcing bar sheet connector may be: the closed reinforcing steel bars can improve the strength of the connecting reinforcing steel bars, and under the condition that the same strength can be achieved, the length of the closed reinforcing steel bars can be smaller than that of straight single reinforcing steel bars, so that the interference between the prefabricated wall and other components can be avoided, and the construction is further facilitated. The connectors 401, 402, 403 may comprise a reinforcement cage connector in a three-dimensional form, and the reinforcement cage connector may be: the steel bar cage-shaped connector formed by the steel bar sheet-shaped connector and the steel bar linear connector, the steel bar cage-shaped connector formed by the steel bar linear connector, or the steel bar cage-shaped connector formed by the steel bar sheet-shaped connector. In the embodiment of the present disclosure, the connectors 401, 402, and 403 may also be a combination of any two or three of the above one-dimensional form of the reinforcing steel bar linear connector, two-dimensional form of the reinforcing steel bar sheet connector, and three-dimensional form of the reinforcing steel bar cage connector, for example, the reinforcing steel bar linear connector in the three-dimensional form of the reinforcing steel bar cage connector may be in the form of one-dimensional form of the reinforcing steel bar linear connector, and the reinforcing steel bar sheet connector may be in the form of two-dimensional form of the reinforcing steel bar sheet connector; the reinforcing steel used in the two-dimensional form reinforcing steel sheet connector and the three-dimensional form reinforcing steel cage connector may be in the shape of one-dimensional form reinforcing steel linear connector, and the like. Those skilled in the art can combine the concepts of the present disclosure.

The connection bodies 401, 402, 403 in the form of reinforcing bars may be provided with reinforcing parts that reinforce the connection strength of the three prefabricated walls 100, 200, 300. The reinforcement may be a raised structure and/or a thickened structure provided at the ends of the connectors 401, 402, 403. The convex structure can be a parallel rib (arranged in the extending direction of the connecting body) or a transverse rib (arranged perpendicular to the extending direction of the connecting body) arranged at the end part of the connecting body, and the arrangement can be fixed by welding and the like. The thickening structure may be an end plate structure (for example, a plate structure vertically provided at the end), an upset structure (the diameter of the end is larger than that of the other portion), an additional sleeve structure, or an additional nut structure provided at the end of the connecting bodies 401, 402, 403. Alternatively, the protruding structures and/or the thickened structures may be provided at other portions than the end portions, and the number of the protruding structures and/or the thickened structures may be plural according to actual needs.

Although not shown in fig. 12, the connecting bodies 401, 402, 403 may be in the form of steel plates according to the present disclosure. In addition to being in the form of a flat steel plate, the form of the steel plate may include a reinforcement part that enhances the coupling strength of the three prefabricated walls 100, 200, 300. For example, the steel plate connector may be a planar connector, and holes or protrusions, which will serve to enhance the connection strength of the three prefabricated walls 100, 200, 300, may be provided on the steel plate connector as a reinforcement. The steel plate connector may be a planar bent shape connector, and the bent shape portion serves as a reinforcement by increasing a contact area in a thickness direction of the prefabricated wall. In addition, the end of the steel plate connection body may be provided with an end plate structure or a thickened structure as a reinforcing portion. In the embodiment of the present disclosure, the steel plate connector may be a combination of any two or three of the above-described planar-shaped connector having an opening or a protrusion, planar-curved-shaped connector, and connector having an end plate structure or a thickened structure at an end thereof.

The connectors 401, 402, 403 may be formed at the factory, transported to the site, connected to prefabricated walls, and then poured with concrete.

According to an alternative embodiment of the present disclosure, as shown in fig. 12, the stacked shear wall T-shaped horizontal connection structure may further include vertical restraining connectors, such as vertical restraining bars 105, 205, 305. Vertical restraining bars 105, 205, 305 may be located in cavities 104, 204, 304 and cast-in-place section 500, respectively, and extend in the height direction of the prefabricated wall. Vertical restraining bars 105, 205, 305 are provided through one end (e.g., having a U-shaped end or other closed form end) of the closed connectors 401, 402, 403, respectively. Vertical restraining bars 105, 205, 305 may be used to restrain and position connectors 401, 402, 403. On the one hand, the connecting bodies 401, 402 and 403 can be prevented from shifting under the action of external force after being installed in place, so that the connecting bodies 401, 402 and 403 are prevented from being adjusted again, construction is facilitated, and construction efficiency is improved. On the other hand, the connectors 401, 402 and 403 can be prevented from shifting in the later cast-in-place process, so that the casting quality is guaranteed, and the high strength and the high quality of the cast wall are guaranteed. The number of the vertical constraint reinforcing steel bars can be any number of the proper number, the number of the optional vertical constraint reinforcing steel bars is two, and the vertical constraint reinforcing steel bars are prevented from being arranged while the connectors 401, 402 and 403 are constrained, so that construction is facilitated, and construction cost is reduced. Wherein, vertical restraint reinforcing bar can set up at the middle part of connector 401, 402, 403, and optionally three vertical restraint reinforcing bars wear to establish respectively at the both ends of closed connecting reinforcement, convenient construction to further improve the efficiency of construction.

The connection of the connecting bodies 401, 402, 403 to each other and to the wall panel couplers 103, 203, 303 may be various. For example, the connecting bodies 401, 402, 403 may be connected by steel wires, iron wires, or by steel bar connectors, and optionally, one end of each connecting body is lapped on the wall panel connector 103 of the prefabricated wall, and the other end is disposed in the cast-in-place section 500, so that the lap joint manner of the steel bars is reliable and easy to detect, and the quality is safe and controllable. As shown in fig. 12, a form-coupling reinforcement cage 404 may be provided at the cast-in-place section 500. The other end of the connector 401, 402, 403 may be connected or snapped onto the reinforcement cage 404.

The connectors 401, 402, 403 may be provided in one or more layers. For example, the arrangement may be made according to the wall panel couplers 103, 203 and 303 of the prefabricated wall or the number of layers of the formed connection reinforcement cage 404.

The concrete can be one or more of common concrete, high-strength concrete, fiber concrete, fine aggregate concrete, self-compacting concrete or foaming concrete.

The embodiment also comprises a construction method of the T-shaped horizontal connecting structure of the superposed shear wall, which comprises the steps of arranging the prefabricated wall in place to form a T-shaped horizontal placement; placing connectors (e.g., inserted from the side of the prefabricated wall, etc.) such that the connectors are located in the cavities of three adjacent prefabricated walls; and pouring concrete in the cavity. The prefabricated wall and the connecting body can be prefabricated and molded in a factory and conveyed to a construction site.

In addition, in the present embodiment, the two wall panels of the prefabricated wall can be in a staggered form or an aligned form; and/or mortise and tenon joint form or keyway form, and the various forms can be two or more than two. The detailed description thereof may refer to the description with respect to fig. 2. Although the prefabricated walls have different edge shapes, the connection of the connector to the prefabricated wall, etc. may be performed in the same manner as described above. In addition, concrete can be poured by means of formworks, for example, in the case of large gaps between adjacent wall panels of three prefabricated walls.

And a second embodiment (separated, rib-free and non-functional layer) of the T-shaped horizontal connecting structure of the superposed shear wall.

The difference with the first embodiment of the T-shaped horizontal connecting structure of the superposed shear wall is that: in this embodiment, the prefabricated wall 300 is spaced apart from the line structure formed by the prefabricated walls 100 and 200 by a certain distance to form a T-shaped structure, and the spaced-apart spaces may form cast-in-place sections. As shown in fig. 13, the T-shaped horizontal connection structure of the superposed shear wall includes: a first prefabricated wall 100, a second prefabricated wall 200, a third prefabricated wall 300, and connectors 401, 402, 403. The first prefabricated wall 100, the second prefabricated wall 200 and the third prefabricated wall 300 are spaced apart by a predetermined distance, and the spaced-apart space is a cast-in-place section 500 (i.e., concrete is cast by means of formworks at both sides of the cast-in-place section at a construction site). The first prefabricated wall 100 and the second prefabricated wall 200 are horizontally arranged in a straight line shape, and the third prefabricated wall 300 is horizontally and vertically arranged, so that the first prefabricated wall 100, the second prefabricated wall 200 and the third prefabricated wall 300 form a T-shaped connection node structure, wherein fig. 13 is a schematic top view of the first prefabricated wall 100, the second prefabricated wall 200 and the third prefabricated wall 300 after being arranged.

The first prefabricated wall 100 may comprise a first wall panel 101, a second wall panel 102 and a wall panel coupler 103 for connecting the first wall panel 101 and the second wall panel 102, forming a cavity 104 between the first wall panel 101 and the second wall panel 102. The second prefabricated wall 200 may comprise a first wall panel 201, a second wall panel 202 and a wall panel coupler 203 for connecting the first wall panel 201 and the second wall panel 202, forming a cavity 204 between the first wall panel 201 and the second wall panel 202. Third prefabricated wall 300 may include a first wall panel 301, a second wall panel 302, and a wall panel coupler 303 for connecting first wall panel 301 and second wall panel 302, forming a cavity 304 between first wall panel 301 and second wall panel 302. Wherein the first prefabricated wall 100, the second prefabricated wall 200 and the third prefabricated wall 300 can be prefabricated and formed in a factory and transported to a construction site by being hoisted in place.

The wall panel couplers 103, 203 and 303 may be in the form of reinforcement cages or trusses, etc. and are connected with the mesh of reinforcement embedded in the first wall panels 101, 201 and 301 and the second wall panels 102, 202 and 302, respectively, to be fixed to the wall panels.

Under the condition that the wall panel connectors 103, 203 and 303 are the forming connection reinforcement cage, the forming connection reinforcement cage comprises a first wall panel longitudinal rib arranged in the thickness range of the first wall panels 101, 201 and 301, a second wall panel longitudinal rib arranged in the thickness range of the second wall panels 102, 202 and 302 and a plurality of reinforcement meshes arranged at intervals along the height direction of the forming connection reinforcement cage, one side of each reinforcement mesh is connected with the first wall panel longitudinal rib, and the other side of each reinforcement mesh is connected with the second wall panel longitudinal rib.

Although the connecting bodies 401, 402, 403 are shown in fig. 13 as being in the form of reinforcing bars, the connecting bodies 401, 402, 403 may also be in the form of steel plates according to the present disclosure. In addition, although the connection bodies 401, 402, 403 are shown in a separated form in fig. 12, they may be provided in an integrated form according to actual needs, and the description will be made with reference to the separated form.

In addition, although the connecting bodies 401 and 402 are shown in an integrated form and the connecting body 403 is shown in a separated form in fig. 13, three may be provided in an integrated form or in a separated form according to actual needs, and the description will be made with reference to the form shown in fig. 13.

The use condition of the connecting bodies 401, 402, and 403 in the form of steel bars or steel plates is the same as that of the first embodiment of the T-shaped horizontal connecting structure of the superposed shear wall, the use of the vertical constraint connecting pieces 105, 205, 305, and 405 may be the same as that of the first embodiment of the T-shaped horizontal connecting structure of the superposed shear wall, the interconnection manner of the connecting bodies 401, 402, and 403 and the connection manner of the wall plate connectors 103, 203, and 303 may be the same as that of the first embodiment of the T-shaped horizontal connecting structure of the superposed shear wall, and the arrangement of the number of layers of the connecting bodies 401, 402, and 403 may be the same as that of the first embodiment of the T-shaped horizontal connecting structure of the superposed shear wall, and will not be described herein again.

In addition, as shown in fig. 13, a reinforcement cage 404 may be provided at the cast-in-place section 500, and the reinforcement cage 404 may extend in the height direction of the prefabricated wall.

The connectors 401, 402, 403 or the reinforcement cage 403 and the connecting reinforcement 401 may be formed at the factory, transported to the site, connected to the prefabricated wall, and then poured with concrete.

The concrete can be one or more of common concrete, high-strength concrete, fiber concrete, fine aggregate concrete, self-compacting concrete or foaming concrete.

The embodiment also comprises a construction method of the T-shaped horizontal connecting structure of the superposed shear wall, which comprises the steps of arranging the prefabricated wall in place to form a T-shaped horizontal placement; placing connectors (e.g., inserted from the side of the prefabricated wall, etc.) such that the connectors are located in the cavities of three adjacent prefabricated walls; and pouring concrete in the cavity. The prefabricated wall and the connecting body can be prefabricated and molded in a factory and conveyed to a construction site. In the case that the connector includes a reinforcement cage and a connection reinforcement, the construction method may include: arranging the prefabricated wall in place to form a T-shaped horizontal placement; placing a reinforcement cage; inserting connecting reinforcing steel bars so that the connecting reinforcing steel bars are positioned in the cavities of the three adjacent prefabricated walls; and pouring concrete in the cavity and the cast-in-place section.

In addition, in the present embodiment, the two wall panels of the prefabricated wall can be in a staggered form or an aligned form; and/or mortise and tenon joint form or keyway form, and the various forms can be two or more than two. The detailed description thereof may refer to the description with respect to fig. 2. Although the prefabricated walls have different edge shapes, the connection of the connector to the prefabricated wall, etc. may be performed in the same manner as described above.

The third embodiment of the T-shaped horizontal connecting structure of the superposed shear wall: (Rib-forming, separating or abutting, non-functional layer)

In this embodiment, the ribs of the wall panels of three prefabricated walls form the connectors. As shown in fig. 14 and 15, the T-shaped horizontal connecting structure of the superposed shear wall comprises: a first prefabricated wall 100, a second prefabricated wall 200, a third prefabricated wall 300, and connectors 401, 402, 403. The first prefabricated wall 100, the second prefabricated wall 200 and the third prefabricated wall 300 are horizontally arranged in parallel to form a T-shaped connection node structure.

FIG. 14 shows a schematic view of the inside out ribbing of the wall panel; figure 15 shows a schematic view of the wall panel end ribbing. In addition to the illustrated form, ribs or the like may be formed on the outside of the wall panels.

The first prefabricated wall 100 may comprise a first wall panel 101, a second wall panel 102 and a wall panel coupler 103 for connecting the first wall panel 101 and the second wall panel 102, forming a cavity 104 between the first wall panel 101 and the second wall panel 102. The second prefabricated wall 200 may comprise a first wall panel 201, a second wall panel 202 and a wall panel coupler 203 for connecting the first wall panel 201 and the second wall panel 202, forming a cavity 204 between the first wall panel 201 and the second wall panel 202. Third prefabricated wall 300 may include a first wall panel 301, a second wall panel 302, and a wall panel coupler 303 for connecting first wall panel 101 and second wall panel 302, forming a cavity 304 between first wall panel 301 and second wall panel 302. Wherein the first prefabricated wall 100, the second prefabricated wall 200 and the third prefabricated wall 300 can be prefabricated and formed in a factory and transported to a construction site by being hoisted in place.

In fig. 14 and 15, the third prefabricated wall 300 is shown in a form of abutting against the in-line structure formed by the first prefabricated wall 100 and the second prefabricated wall 200, but the third prefabricated wall 300 may be spaced apart by a certain distance. The neighborhood between the three prefabricated walls constitutes the cast-in-place section 500.

The wall panel couplers 103, 203 and 303 may be in the form of reinforcement cages or trusses, etc. and are connected with the mesh of reinforcement embedded in the first wall panels 101, 201 and 301 and the second wall panels 102, 202 and 302, respectively, to be fixed to the wall panels.

Under the condition that the wall panel connectors 103, 203 and 303 are the forming connection reinforcement cage, the forming connection reinforcement cage comprises a first wall panel longitudinal rib arranged in the thickness range of the first wall panels 101, 201 and 301, a second wall panel longitudinal rib arranged in the thickness range of the second wall panels 102, 202 and 302 and a plurality of reinforcement meshes arranged at intervals along the height direction of the forming connection reinforcement cage, one side of each reinforcement mesh is connected with the first wall panel longitudinal rib, and the other side of each reinforcement mesh is connected with the second wall panel longitudinal rib.

As shown in fig. 14, the ribs are formed on the inner side of the wall panel, and as shown in fig. 15, the ribs are formed on the end side of the wall panel. Reinforcing bars extend from the first wall panels 101, 201, and 301 and the second wall panels 102, 202, and 302, respectively, wherein the reinforcing bars extending from the first wall panel 101 and the second wall panel 102 constitute a first connector 401, the reinforcing bars extending from the first wall panel 201 and the second wall panel 202 constitute a second connector 402, and the reinforcing bars extending from the first wall panel 301 and the second wall panel 302 constitute a third connector 403. As shown in fig. 14 and 15, three connectors may be joined together to form a connector of three adjacent prefabricated walls.

According to the idea of the present disclosure, the connecting body is formed by extending the steel bars from only one prefabricated wall, and the connecting body can extend into the cast-in-situ section; alternatively, rebar may extend from only one wall panel of the prefabricated wall (e.g., rebar from first wall panel 101, rebar from second wall panel 202, and rebar from first wall panel 301), and so forth.

According to the present disclosure, the reinforcing bar connectors extending from the wall panel may be in the same form as the reinforcing bar linear connectors described above, for example, each reinforcing bar may be shaped such that: one of a broken line shape, a spiral shape, a hook shape or a wave shape, or a combination of a plurality of shapes, when the overall shape of two reinforcing bars extending from one prefabricated wall may be: the shape of the end part U, the shape of the end part ring, the shape of the rectangle, or the combination of a plurality of shapes. A reinforcing part for reinforcing the coupling strength of the three prefabricated walls may be provided. The reinforcement may be a raised structure and/or a thickened structure provided at the end. The protruding structure can be a parallel rib or a transverse rib arranged at the end part of the connector. The thickening structure can be an end plate structure, an upsetting structure, an additional sleeve structure or an additional nut structure arranged at the end part. Alternatively, the protruding structures and/or the thickened structures may be provided at other portions than the end portions, and the number of the protruding structures and/or the thickened structures may be plural according to actual needs.

According to an alternative embodiment of the present disclosure, the stacked shear wall T-shaped horizontal connection structure may further include the above-described vertical restraining connection.

The connection of the two connectors can be in various ways. For example, the steel wire can be lapped, bound by steel wires or iron wires, or connected by a steel bar binder. The linker may be provided in one or more layers.

It should be noted that although an example in which cast-in-place sections exist between three prefabricated walls is shown in fig. 14 and 15, the three prefabricated walls may be closely connected.

The prefabricated wall with the ribs can be molded and manufactured in a factory, transported to the site, connected with the prefabricated wall and then poured with concrete.

The concrete can be one or more of common concrete, high-strength concrete, fiber concrete, fine aggregate concrete, self-compacting concrete or foaming concrete.

The embodiment also comprises a construction method of the T-shaped horizontal connecting structure of the superposed shear wall, which comprises the steps of arranging the prefabricated wall in place to form a T-shaped horizontal placement; and pouring concrete in the cavity. The prefabricated wall and the connecting body can be prefabricated and molded in a factory and conveyed to a construction site.

In addition, in the present embodiment, the two wall panels of the prefabricated wall can be in a staggered form or an aligned form; and/or mortise and tenon joint form or keyway form, and the various forms can be two or more than two. The detailed description thereof may refer to the description with respect to fig. 2. Although the prefabricated walls have different edge shapes, the connection of the connector to the prefabricated wall, etc. may be performed in the same manner as described above.

The T-shaped horizontal connecting structure of the superposed shear wall comprises the following four embodiments: (detached or abutted, ribbed or not ribbed, functional layer).

The main difference between this embodiment and the first, second, and third embodiments of the T-shaped horizontal connection structure of the superposed shear wall lies in that the prefabricated wall is a sandwich prefabricated wall, i.e., includes a functional layer.

Fig. 16 shows only schematic diagrams corresponding to fig. 12 and 13, but functional layers may be added on the basis of other modes of the first, second and third embodiments of the T-shaped horizontal connection structure of the superposed shear wall. Hereinafter, description will be made only by taking fig. 16 as an example.

In this embodiment, the T-shaped horizontal connection structure of the superposed shear wall includes: a first prefabricated wall 100, a second prefabricated wall 200, a third prefabricated wall 300, and connectors 401, 402, 403. The first prefabricated wall 100 and the second prefabricated wall 200 are horizontally arranged in parallel to form a straight line, and the third prefabricated wall 300 is arranged perpendicular to the straight line, thereby forming a T-shaped connection node structure, wherein fig. 16 is a schematic top view of the first prefabricated wall 100, the second prefabricated wall 200 and the third prefabricated wall 300 after they are arranged. In fig. 16a, it is shown that the first prefabricated wall 100, the second prefabricated wall 200 and the third prefabricated wall 300 are all spaced apart by a large distance to form a T-shaped cast-in-place section, while in fig. 16b, the first prefabricated wall 100, the second prefabricated wall 200 are spaced apart by a small distance and the third prefabricated wall 300 is spaced apart by a large distance. Of course, other set intervals may be employed in the present disclosure.

The first prefabricated wall 100 may comprise a first wall panel 101, a second wall panel 102 and a wall panel coupler 103 for connecting the first wall panel 101 and the second wall panel 102, forming a cavity 104 between the first wall panel 101 and the second wall panel 102. The second prefabricated wall 200 may comprise a first wall panel 201, a second wall panel 202 and a wall panel coupler 203 for connecting the first wall panel 201 and the second wall panel 202, forming a cavity 204 between the first wall panel 201 and the second wall panel 202. The third prefabricated wall 300 may comprise a first wall panel 301, a second wall panel 302 and a wall panel coupler 303 for connecting the first wall panel 301 and the second wall panel 302, forming a cavity 304 between the first wall panel 101 and the second wall panel 102. Wherein the first prefabricated wall 100, the second prefabricated wall 200 and the third prefabricated wall 300 can be prefabricated and formed in a factory and transported to a construction site by being hoisted in place.

The prefabricated wall 100, 200 further comprises a functional layer 106, 206, and the functional layer 106, 206 may be an insulating layer, a fire-blocking layer and/or a waterproof layer. In fig. 16, the first wall panel 101 of the first prefabricated wall 100 and the first wall panel 201 of the second prefabricated wall 200 are used as outer leaves, and therefore, functional layers are provided at the inner sides of the two wall panels. However, according to actual design requirements, functional layers and the like may be added to the inner side of the outer panel of the third prefabricated wall 300.

The functional layers 106 and 206 are arranged on the inner side surfaces of the first wall panels 101 and 201, and the functional layers 106 and 206 and the second wall panels 102 and 202 form a cavity.

The joint members of the wall panels of the prefabricated walls 100 and 200 may include a first joint member and a second joint member, the second joint member being a functional joint member, the first joint member being fixedly connected to the second wall panel, one end of the second joint member penetrating through the functional layer being fixedly connected to the first wall panel, the other end of the second joint member being fixedly connected to the second wall panel or being connected to the first joint member. For example, the reinforcement cages 103 and 203 (which may also be in the form of truss reinforcements, connecting reinforcements, or reinforcement meshes) and the functional couplers 107 and 207 may be included, the reinforcement cages 103 and 203 are respectively and fixedly connected to the respective second wall panels 102 and 202, and one ends of the functional couplers 107 and 207 are respectively and fixedly connected to the respective first wall panels 101 and 201 through the functional layer. Although in fig. 16 it is shown that the other end of the functional bond 107, 207 is fastened to the second wall panel 102, 202, it is also possible that the functional bond 107, 207 does not extend into the second wall panel 102, 202, but the other end of the functional bond 107, 207 is connected to the reinforcement cage 103, 203. It should also be noted that although the reinforcement cages 103, 203 are illustrated herein, the form of the coupling of the wall panels described in the other embodiments may also be used. The wall panel couplers 103, 203 may be in the form of trusses or the like and are connected to the mesh of reinforcing bars embedded in the first and second wall panels 101, 201, 102, 202, respectively, to be fixed to the two wall panels. In addition, when the functional layer is a heat insulating layer, the functional bonding members 107 and 207 are heat insulating bonding members. For prefabricated wall 300, the wall panel couplings may be in the form of rebar cages or trusses, and because they may not include a functional layer, it may not be necessary to provide functional couplings.

In this embodiment, except for the addition of the functional layer and the corresponding functional layer combination member, other structures may be the same as those in the first, second, and third embodiments of the T-shaped horizontal connecting structure of the superposed shear wall, respectively. For the sake of brevity, the three prefabricated walls are illustrated as being separated, and the details of the close-up form and the ribbed form can be referred to the corresponding embodiments described above.

The connectors 401, 402, 403 are the same as the connectors in the above-described embodiments according to the separation form, the abutment form and the rib form, and thus, the description thereof is omitted. Additionally, a formed connecting reinforcement cage 404 may also be included. A T-shaped rebar cage 404 is shown in fig. 16a, and a rectangular rebar cage 404 is shown in fig. 16 b. In practical use, the reinforcement cage with the corresponding shape can be arranged according to the requirement, such as the distance between three prefabricated walls and the like.

The vertical restraining connections 105, 205, 305, 405 in this embodiment may also be the same as in the previous embodiments. The connection of the connector to the wall panel coupling may also be the same as in the previous embodiments. The number of layers of the connector may be set as in the above embodiment.

The concrete can be one or more of common concrete, high-strength concrete, fiber concrete, fine aggregate concrete, self-compacting concrete or foaming concrete.

The construction method of the T-shaped horizontal connection structure of the superposed shear wall according to this embodiment may also be the same as that of the above embodiments according to specific forms.

In addition, in the present embodiment, two adjacent wall panels may be in a staggered form or an aligned form; and/or mortise and tenon joint form or keyway form, and the various forms can be two or more than two. The detailed description thereof may refer to the description with respect to fig. 2. Although the prefabricated walls have different edge shapes, the connection of the connector to the prefabricated wall, etc. may be performed in the same manner as described above.

The first embodiment (inner leaf plate is close or not close, no rib is arranged, and no functional layer is arranged) of the oblique horizontal connecting structure of the superposed shear wall.

As shown in fig. 17, the oblique horizontal connecting structure of the superposed shear wall includes: a first prefabricated wall 100, a second prefabricated wall 200, and connectors 401 and 402. The first prefabricated wall 100 and the second prefabricated wall 200 are horizontally arranged in parallel to form an oblique connection node structure, wherein fig. 17 is a schematic top view of the first prefabricated wall 100 and the second prefabricated wall 200 after being arranged.

The first prefabricated wall 100 may comprise a first wall panel 101, a second wall panel 102 and a wall panel coupler 103 for connecting the first wall panel 101 and the second wall panel 102, forming a cavity 104 between the first wall panel 101 and the second wall panel 102. The second prefabricated wall 200 may comprise a first wall panel 201, a second wall panel 202 and a wall panel coupler 203 for connecting the first wall panel 201 and the second wall panel 202, forming a cavity 204 between the first wall panel 201 and the second wall panel 202. Wherein the first prefabricated wall 100 and the second prefabricated wall 200 can be prefabricated and formed in a factory and transported to a construction site by being hoisted in place.

It should be noted that fig. 17 shows only one example of the diagonal horizontal connecting structure, fig. 17a shows the second wall panels of the two prefabricated walls abutting together, fig. 17b shows the second wall panels of the two prefabricated walls being separated, and fig. 17 shows the included angle between the two second wall panels being an obtuse angle, but in practical applications, the distance or included angle between the two wall panels (for example, in the form of an acute angle) may be set according to practical situations. In the present embodiment, the example is illustrated in the form shown in fig. 17.

The wall panel couplers 103, 203 may be in the form of a reinforcement cage or truss, etc., and are connected with the mesh of reinforcement embedded in the first and second wall panels 101, 201, 102, 202, respectively, to be fixed to the two wall panels.

Under the condition that the wall panel conjunction 103, 203 are the shaping connection steel reinforcement cage, the shaping connection steel reinforcement cage is indulged the muscle including setting up in the thickness scope of first wallboard 101, 201 and is indulged the muscle at first wallboard, setting up and indulge the muscle and follow a plurality of reinforcing bar net pieces that the direction of height interval of shaping connection steel reinforcement cage in the second wallboard 102, 202, and one side and the first wallboard of reinforcing bar net piece are indulged the muscle and are connected, and the opposite side and the second wallboard of reinforcing bar net piece are indulged the muscle and are connected.

The connectors 401, 402 may be in the form of steel bars, such as shown in fig. 17, but the connectors 401, 402 may also be in the form of steel plates according to the present disclosure. In addition, although the connection bodies 401 and 402 are shown in a separated form in fig. 17, they may be provided in an integrated form according to actual needs, and the following description will be made with reference to the separated form shown in the drawings.

As shown in fig. 17, when the connecting bodies 401, 402 are in a separated form, the ends where they meet may be connected or overlapped together.

When the connection bodies 401 and 402 are in the form of reinforcing bars, the shape of the connection bodies 401 and 402 may be a straight line as shown in fig. 17, and the shape of the connection bodies 401 and 402 may also be set to a shape that enhances the connection strength between the first prefabricated wall 100 and the second prefabricated wall 200. For example, in order to enhance the connection strength between the two prefabricated walls, the shape of the connection bodies 401 and 402 may be set in a shape having a larger contact area with concrete poured in situ in the cavities 104 and 204 in the thickness direction of the prefabricated wall, so as to enhance the connection strength between the first prefabricated wall 100 and the second prefabricated wall 200.

For example, the connectors 401, 402 may include a one-dimensional form of a reinforcing bar linear connector, and the reinforcing bar linear connector may be: a combination shape of one or more of a dogleg shape (e.g., a dogleg-type bend or the like is made at both ends of a reinforcing bar so that a contact area with concrete in a thickness direction of the prefabricated wall is increased by the dogleg shape), a spiral shape (e.g., a reinforcing bar in a spiral form or the like is used so that a contact area with concrete in the thickness direction of the prefabricated wall is increased by the spiral shape), a hook shape (e.g., a hook is provided at both ends of a reinforcing bar so that a contact area with concrete in the thickness direction of the prefabricated wall is increased by the hook shape), or a corrugated shape (e.g., a reinforcing bar in a corrugated shape or other curved shape or the like so that a contact area with concrete in the thickness direction of the prefabricated wall is increased by the corrugated or curved shape). The connectors 401, 402 may include a reinforcing bar sheet connector in a two-dimensional form, and the reinforcing bar sheet connector may be: the closed reinforcing steel bars can improve the strength of the connecting reinforcing steel bars, and under the condition that the same strength can be achieved, the length of the closed reinforcing steel bars can be smaller than that of straight single reinforcing steel bars, so that the interference between the prefabricated wall and other components can be avoided, and the construction is further facilitated. The connectors 401, 402 may comprise a reinforcement cage connector in a three-dimensional form, and the reinforcement cage connector may be: the steel bar cage-shaped connector formed by the steel bar sheet-shaped connector and the steel bar linear connector, the steel bar cage-shaped connector formed by the steel bar linear connector, or the steel bar cage-shaped connector formed by the steel bar sheet-shaped connector. In the embodiment of the present disclosure, the connectors 401 and 402 may also be a combination of any two or three of the above one-dimensional form of the reinforcing steel bar linear connector, two-dimensional form of the reinforcing steel bar sheet connector, and three-dimensional form of the reinforcing steel bar cage connector, for example, the reinforcing steel bar linear connector in the three-dimensional form of the reinforcing steel bar cage connector may be in the form of one-dimensional form of the reinforcing steel bar linear connector, and the reinforcing steel bar sheet connector may be in the form of two-dimensional form of the reinforcing steel bar sheet connector; the reinforcing steel used in the two-dimensional form reinforcing steel sheet connector and the three-dimensional form reinforcing steel cage connector may be in the shape of one-dimensional form reinforcing steel linear connector, and the like. Those skilled in the art can combine the concepts of the present disclosure.

The connection bodies 401, 402 in the form of reinforcing bars may be provided with reinforcing parts that reinforce the connection strength of the two prefabricated walls 100, 200. The reinforcement may be a raised structure and/or a thickened structure provided at the ends of the connectors 401, 402. The convex structure can be a parallel rib (arranged in the extending direction of the connecting body) or a transverse rib (arranged perpendicular to the extending direction of the connecting body) arranged at the end part of the connecting body, and the arrangement can be fixed by welding and the like. The thickening structure may be an end plate structure (for example, a plate structure vertically provided at the end), an upset structure (the diameter of the end is larger than that of the other portion), an additional sleeve structure, or an additional nut structure provided at the end of the connecting bodies 401, 402. Alternatively, the protruding structures and/or the thickened structures may be provided at other portions than the end portions, and the number of the protruding structures and/or the thickened structures may be plural according to actual needs.

Although not shown in fig. 17, the connecting bodies 401, 402 may be in the form of steel plates according to the present disclosure. In addition to being in the form of a flat steel plate, the steel plate may include a reinforcing part to reinforce the coupling strength of the two prefabricated walls 100 and 200. For example, the steel plate connector may be a planar connector, and holes or protrusions, which will serve to enhance the connection strength of the two prefabricated walls 100 and 200, may be provided on the steel plate connector as a reinforcement. The steel plate connector may be a planar bent shape connector, and the bent shape portion serves as a reinforcement by increasing a contact area in a thickness direction of the prefabricated wall. In addition, the end of the steel plate connection body may be provided with an end plate structure or a thickened structure as a reinforcing portion. In the embodiment of the present disclosure, the steel plate connector may be a combination of any two or three of the above-described planar-shaped connector having an opening or a protrusion, planar-curved-shaped connector, and connector having an end plate structure or a thickened structure at an end thereof.

The various forms of connectors 401, 402 described above may be located in the cavities 104, 204 of both prefabricated walls 100, 200, for example one end or part of the connector 401, 402 may be located in the cavity 104 of the prefabricated wall 100 and the other end or part of the connector 401, 402 may be located in the cast-in-place section 300.

The connectors 401, 402 may be formed at the factory, transported to the site, connected to prefabricated walls, and then poured with concrete.

According to an alternative embodiment of the present disclosure, as shown in fig. 17, the diagonal horizontal connection structure of the superposed shear wall may further include vertical restraining connectors, such as vertical restraining bars 105, 205, 305. Vertical restraining bars 105, 205, 305 may be located in cavities 104, 204 and cast-in-place section 300, respectively, and extend in the height direction of the prefabricated wall. Vertical restraining bars 105, 205, 305 are provided through one end (e.g., having a U-shaped end or other closed form end) of the closed connectors 401, 402, respectively. Vertical restraining bars 105, 205, 305 may be used to restrain and position connectors 401, 402. On the one hand, the connecting bodies 401 and 402 can be prevented from shifting under the action of external force after being installed in place, so that the connecting bodies 401 and 402 are prevented from being adjusted again, construction is facilitated, and construction efficiency is improved. On the other hand, the connectors 401 and 402 can be prevented from shifting in the later cast-in-place process, so that the casting quality is guaranteed, and the high strength and the high quality of the cast wall are guaranteed. The number of the vertical constraint reinforcing steel bars can be any number of the proper number, the number of the optional vertical constraint reinforcing steel bars is two, and the vertical constraint reinforcing steel bars are prevented from being arranged while the connectors 401 and 402 are constrained, so that construction is facilitated, and construction cost is reduced. Wherein, vertical restraint reinforcing bar can set up at the middle part of connector 401, 402, and optionally three vertical restraint reinforcing bar wears to establish respectively at the both ends of closed connecting reinforcement, convenient construction to further improve the efficiency of construction.

The connection of the connecting bodies 401, 402 to each other and to the wall panel couplers 103, 203 may be various. For example, the connecting bodies can be bound by steel wires or iron wires or connected by steel bar binders, optionally, one ends of the connecting bodies 401 and 402 are connected or overlapped on the wall board binders 103 and 203 of the prefabricated wall, and the other ends of the connecting bodies 401 and 402 can be connected or overlapped with each other, so that the quality is safe and controllable in a reliable and easily-detected steel bar overlapping connection mode.

Although not shown in fig. 17, a shaped connecting reinforcement cage may be provided at the cast-in-place section 300, the shape of the shaped connecting reinforcement cage may be adapted to the shape of the corner, and may be prefabricated in the factory, and when the shaped connecting reinforcement cage is included, the other ends of the connecting bodies 401, 402 may be connected or lapped to the reinforcement cage.

The connectors 401, 402 may be provided in one or more layers. For example, the arrangement may be made according to the number of the wall panel couplers 103 and 203 of the prefabricated wall or the number of the layers of the formed connection reinforcement cage.

The concrete can be one or more of common concrete, high-strength concrete, fiber concrete, fine aggregate concrete, self-compacting concrete or foaming concrete.

The embodiment also comprises a construction method of the oblique horizontal connecting structure of the superposed shear wall, which comprises the steps of arranging the prefabricated wall in place to form oblique horizontal placement; placing connectors (e.g., inserted from the side of a prefabricated wall, etc.) such that the connectors are located in the cavities of two adjacent prefabricated walls; and pouring concrete in the cavity. The prefabricated wall and the connecting body can be prefabricated and molded in a factory and conveyed to a construction site.

In addition, in the present embodiment, the wall panels of two adjacent prefabricated walls can be in a staggered form or an aligned form; and/or mortise and tenon joint form or keyway form, and the various forms can be two or more than two. The detailed description thereof may refer to the description with respect to fig. 2. Although the prefabricated walls have different edge shapes, the connection of the connector to the prefabricated wall, etc. may be performed in the same manner as described above. In addition, concrete can be poured by means of formworks, for example, in the case of large gaps between adjacent wall panels of two prefabricated walls.

Second embodiment (rib-out, separation or close-up, no functional layer) of oblique horizontal connection structure of superimposed shear wall

In this embodiment, the ribs of the wall panels of two prefabricated walls form the connectors. As shown in fig. 18, the oblique horizontal connecting structure of the superposed shear wall includes: a first prefabricated wall 100, a second prefabricated wall 200, and a connector 400. The first prefabricated wall 100 and the second prefabricated wall 200 are horizontally arranged in parallel to form an oblique connection node structure. In fig. 18, the included angle between two prefabricated walls is shown as an obtuse angle, but it can be designed as an acute angle according to actual design requirements. Fig. 18a shows the two prefabricated walls in a separated state before assembly, and fig. 18b shows the two prefabricated walls in an assembled state.

The first prefabricated wall 100 may comprise a first wall panel 101, a second wall panel 102 and a wall panel coupler 103 for connecting the first wall panel 101 and the second wall panel 102, forming a cavity 104 between the first wall panel 101 and the second wall panel 102. The second prefabricated wall 200 may comprise a first wall panel 201, a second wall panel 202 and a wall panel coupler 203 for connecting the first wall panel 201 and the second wall panel 202, forming a cavity 204 between the first wall panel 201 and the second wall panel 202. Wherein the first prefabricated wall 100 and the second prefabricated wall 200 can be prefabricated and formed in a factory and transported to a construction site by being hoisted in place.

Fig. 18 shows the first and second wall panels 101 and 102 and the first and second wall panels 201 and 202 being ribbed from the inside to form a connector. It should be understood that other forms of ribbing may be used, such as ribbing from the end of the wall panels, ribbing from the outside of the wall panels, etc. (e.g., providing fig. 6b1 in a diagonal shape), or ribbing from one wall panel of a first prefabricated wall and from one wall panel of a second prefabricated wall to form the connector.

The adjacent place between two prefabricated walls forms a cast-in-place section 300.

The wall panel couplers 103, 203 may be in the form of a reinforcement cage or truss, etc., and are connected with the mesh of reinforcement embedded in the first and second wall panels 101, 201, 102, 202, respectively, to be fixed to the two wall panels.

Under the condition that wallboard connector 103, 203 are the shaping connection reinforcement cage, the shaping connection reinforcement cage is including setting up in the thickness of first wallboard within range indulges the muscle at first wallboard, setting up the second wallboard of outer page or leaf thickness within range and follows a plurality of reinforcing bar net pieces that the direction of height interval of shaping connection reinforcement cage set up, and one side and the first wallboard of reinforcing bar net piece are indulged the muscle and are connected, and the opposite side and the second wallboard of reinforcing bar net piece are indulged the muscle and are connected.

As shown in fig. 18, the reinforcing bars extend from the first wall panels 101 and 201 and the second wall panels 102 and 202, respectively, wherein the reinforcing bars extending from the first wall panel 101 and the second wall panel 102 form a first connector 401, and the reinforcing bars extending from the first wall panel 201 and the second wall panel 202 form a second connector 402. As shown in fig. 18b, two connectors are overlapped to form a connector of two adjacent prefabricated walls.

According to the present disclosure, the reinforcing bar connectors extending from the wall panel may be in the same form as the reinforcing bar linear connectors described above, for example, each reinforcing bar may be shaped such that: one of a broken line shape, a spiral shape, a hook shape or a wave shape, or a combination of a plurality of shapes, when the overall shape of two reinforcing bars extending from one prefabricated wall may be: the shape of the end part U, the shape of the end part ring, the shape of the rectangle, or the combination of a plurality of shapes. A reinforcing part for reinforcing the connection strength of the two prefabricated walls may be provided. The reinforcement may be a raised structure and/or a thickened structure provided at the end. The protruding structure can be a parallel rib or a transverse rib arranged at the end part of the connector. The thickening structure can be an end plate structure, an upsetting structure, an additional sleeve structure or an additional nut structure arranged at the end part. Alternatively, the protruding structures and/or the thickened structures may be provided at other portions than the end portions, and the number of the protruding structures and/or the thickened structures may be plural according to actual needs.

According to an optional embodiment of the present disclosure, the oblique horizontal connecting structure of the superposed shear wall may further include the above-mentioned vertical constraining connecting member.

The connection of the two connectors can be in various ways. For example, the steel wire can be lapped, bound by steel wires or iron wires, or connected by a steel bar binder. The linker may be provided in one or more layers.

The prefabricated wall with the ribs can be molded and manufactured in a factory, transported to the site, connected with the prefabricated wall and then poured with concrete.

The concrete can be one or more of common concrete, high-strength concrete, fiber concrete, fine aggregate concrete, self-compacting concrete or foaming concrete.

The embodiment also comprises a construction method of the oblique horizontal connecting structure of the superposed shear wall, which comprises the steps of arranging the prefabricated wall in place to form oblique horizontal placement; and pouring concrete in the cavity. The prefabricated wall and the connecting body can be prefabricated and molded in a factory and conveyed to a construction site.

In addition, in the present embodiment, the two wall panels of the prefabricated wall can be in a staggered form or an aligned form; and/or mortise and tenon joint form or keyway form, and the various forms can be two or more than two. The detailed description thereof may refer to the description with respect to fig. 2. Although the prefabricated walls have different edge shapes, the connection of the connector to the prefabricated wall, etc. may be performed in the same manner as described above.

And a third embodiment (separated or close, rib or no rib is formed, and a functional layer is formed) of the oblique horizontal connecting structure of the superposed shear wall.

The embodiment is a sandwich prefabricated wall oblique horizontal connection structure. In this embodiment, the oblique horizontal connection structure of the superposed shear wall includes: a first prefabricated wall 100, a second prefabricated wall 200, and connectors 401 and 402. The first prefabricated wall 100 and the second prefabricated wall 200 are horizontally arranged in parallel to form an oblique connection node structure, wherein fig. 19 is a schematic top view of the first prefabricated wall 100 and the second prefabricated wall 200 after being arranged.

The first prefabricated wall 100 may comprise a first wall panel 101, a second wall panel 102 and a wall panel coupler 103 for connecting the first wall panel 101 and the second wall panel 102, forming a cavity 104 between the first wall panel 101 and the second wall panel 102. The second prefabricated wall 200 may comprise a first wall panel 201, a second wall panel 202 and a wall panel coupler 203 for connecting the first wall panel 201 and the second wall panel 202, forming a cavity 204 between the first wall panel 201 and the second wall panel 202. Wherein the first prefabricated wall 100 and the second prefabricated wall 200 can be prefabricated and formed in a factory and transported to a construction site by being hoisted in place.

The first wall panel 101, 201 may be considered an outer panel and the second wall panel 102, 202 may be considered an inner panel.

The two prefabricated walls 100, 200 further comprise functional layers 106, 206, the functional layers 106, 206 may be heat insulating layers, fire retardant layers and/or waterproof layers, the functional layers 106, 206 are respectively disposed on the inner side surfaces of the first wall panels 101, 201, and the functional layers 106, 206 respectively form a cavity with the second wall panels 102, 202.

The bonding element 103, 203 of the wall panel may include a first bonding element and a second bonding element, the second bonding element is a functional bonding element, the first bonding element is fixedly connected to the second wall panel, one end of the second bonding element passes through the functional layer and is fixedly connected to the first wall panel, and the other end of the second bonding element is fixedly connected to the second wall panel or is connected to the first bonding element. For example, the reinforcement cages 103 and 203 (which may also be in the form of truss reinforcements, connecting reinforcements, or reinforcement meshes) and the functional couplers 107 and 207 may be included, the reinforcement cages 103 and 203 are respectively fixed to the second wall panels 102 and 202, and one ends of the functional couplers 107 and 207 are respectively fixed to the first wall panels 101 and 201 through the functional layer. Although it is shown in fig. 19 that the other end of the functional bond 107, 207 is fastened to the second wall panel 102, 202, it is also possible that the functional bond 107, 207 does not extend into the second wall panel 102, 202, but the other end of the functional bond 107, 207 is connected to the reinforcement cage 103. It should also be noted that although the reinforcement cage 103 is illustrated here, the form of the coupling of the wall panels described in the other embodiments may also be used. The wall panel couplers 103, 203 may be in the form of trusses or the like and are connected to the reinforcing mesh embedded in the second wall panels 102, 202, respectively, to be fixed to the wall panels. In addition, when the functional layer is a thermal insulation layer, the functional bonding member 107, 207 may be a thermal insulation bonding member.

In this embodiment, except for the addition of the functional layer and the corresponding functional layer combination member, other structures may be respectively the same as those in the first and second embodiments of the oblique and horizontal connecting structure of the superposed shear wall. For the sake of brevity, the two prefabricated walls are illustrated as being separated, and the details of the abutting form and the ribbed form can be referred to the corresponding embodiments described above.

The connectors 401, 402 are the same as the corresponding connectors in the above-described embodiments according to the separation form, the abutting form and the rib forming form, and are not described again here. Additionally, a reinforcement cage 403 may also be included.

The vertical restraining connections 105, 205, 305 in this embodiment may also be the same as in the previous embodiments. The connection of the connector to the wall panel coupling may also be the same as in the previous embodiments. The number of layers of the connector may be set as in the above embodiment.

The concrete can be one or more of common concrete, high-strength concrete, fiber concrete, fine aggregate concrete, self-compacting concrete or foaming concrete.

The construction method of the oblique horizontal connection structure of the superposed shear wall according to the embodiment may also be the same as the above embodiments according to specific forms.

In addition, in the present embodiment, two adjacent prefabricated walls are arranged in a separated form, but two wall panels of the prefabricated walls may be in a staggered form or an aligned form; and/or mortise and tenon joint form or keyway form, and the various forms can be two or more than two. The detailed description thereof may refer to the description with respect to fig. 2. Although the prefabricated walls have different edge shapes, the connection of the connector to the prefabricated wall, etc. may be performed in the same manner as described above.

The embodiment one of the vertical connecting structure of the superposed shear wall is as follows: (without floor).

As shown in fig. 20, the vertical connecting structure of the superposed shear wall includes: a first prefabricated wall 100, a second prefabricated wall 200, and connectors 401 and 402. The first prefabricated wall 100 and the second prefabricated wall 200 are vertically arranged to form a vertical connection node structure, for example, in fig. 20, the second prefabricated wall 200 is positioned at the upper side of the first prefabricated wall 100, wherein fig. 20 is a schematic side view of the prefabricated wall after being arranged.

The first prefabricated wall 100 may comprise a first wall panel 101, a second wall panel 102 and a wall panel coupler 103 for connecting the first wall panel 101 and the second wall panel 102, forming a cavity 104 between the first wall panel 101 and the second wall panel 102. The second prefabricated wall 200 may comprise a first wall panel 201, a second wall panel 202 and a wall panel coupler 203 for connecting the first wall panel 201 and the second wall panel 202, forming a cavity 204 between the first wall panel 201 and the second wall panel 202. Wherein the first prefabricated wall 100 and the second prefabricated wall 200 can be prefabricated and formed in a factory and transported to a construction site by being hoisted in place.

The wall panel couplers 103, 203 may be in the form of a reinforcement cage or truss, etc., and are connected with the mesh of reinforcement embedded in the first and second wall panels 101, 201, 102, 202, respectively, to be fixed to the two wall panels. Use shaping connecting reinforcement cage as an example, shaping connecting reinforcement cage is including setting up in the thickness within range of first wallboard vertical reinforcement, setting up at the second wallboard vertical reinforcement of second wallboard thickness within range and along a plurality of reinforcing bar net pieces that shaping connecting reinforcement cage's direction of height interval set up, and reinforcing bar net piece's one side is indulged the muscle with first wallboard and is connected, and reinforcing bar net piece's opposite side is indulged the muscle with the second wallboard and is connected.

The connection bodies 401, 402 may be located in the cavities 104, 204 of the two prefabricated walls 100, 200, respectively, and in this embodiment, the connection bodies 401, 402 may preferably be integrally formed, for example, in a factory.

The thickness of the first prefabricated wall 100 may be different from that of the second prefabricated wall 200 (for example, in fig. 20a, the thickness of the second prefabricated wall 200 is smaller than that of the first prefabricated wall 100), or the thickness of the first prefabricated wall and the second prefabricated wall may be the same (for example, in fig. 20 b). When the thicknesses of the two are the same, the cross-sectional widths of the connecting bodies 401, 402 may be the same (for example, as shown in fig. 20b) or may be different. When the thicknesses of the connectors 401 and 402 are different, the cross-sectional widths of the connectors may be different (for example, as shown in fig. 20a, the cross-sectional width of the connector in the cavity of the prefabricated wall with smaller thickness is smaller than the cross-sectional width of the connector in the cavity of the prefabricated wall with larger thickness), or may be different.

Although the connecting bodies 401, 402 are shown in fig. 20 as being in the form of reinforcing bars, the connecting bodies 401, 402 may also be in the form of steel plates according to the present disclosure.

When the connection bodies 401 and 402 are in the form of reinforcing bars, the shape of the connection bodies 401 and 402 may be partially linear as shown in fig. 20, and the shape of the connection bodies 401 and 402 may be set to a shape that enhances the connection strength between the first prefabricated wall 100 and the second prefabricated wall 200. For example, in order to enhance the connection strength between the two prefabricated walls, the connection bodies 401 and 402 may be shaped in such a manner that the contact area between the prefabricated walls in the thickness direction and the concrete poured in situ in the cavities 104 and 204 is larger, so as to enhance the connection strength between the first prefabricated wall 100 and the second prefabricated wall 200 in the length direction of the prefabricated wall of fig. 20.

For example, the connectors 401, 402 may include a one-dimensional form of a reinforcing bar linear connector, and the reinforcing bar linear connector may be: a combination shape of one or more of a dogleg shape (e.g., a dogleg-type bend or the like is made at both ends of a reinforcing bar so that a contact area with concrete in a thickness direction of the prefabricated wall is increased by the dogleg shape), a spiral shape (e.g., a reinforcing bar in a spiral form or the like is used so that a contact area with concrete in the thickness direction of the prefabricated wall is increased by the spiral shape), a hook shape (e.g., a hook is provided at both ends of a reinforcing bar so that a contact area with concrete in the thickness direction of the prefabricated wall is increased by the hook shape), or a corrugated shape (e.g., a reinforcing bar in a corrugated shape or other curved shape or the like so that a contact area with concrete in the thickness direction of the prefabricated wall is increased by the corrugated or curved shape). The connectors 401, 402 may include a reinforcing bar sheet connector in a two-dimensional form, and the reinforcing bar sheet connector may be: the closed reinforcing steel bars can improve the strength of the connecting reinforcing steel bars, and under the condition that the same strength can be achieved, the length of the closed reinforcing steel bars can be smaller than that of straight single reinforcing steel bars, so that the interference between the prefabricated wall and other components can be avoided, and the construction is further facilitated. The connectors 401, 402 may comprise a reinforcement cage connector in a three-dimensional form, and the reinforcement cage connector may be: the steel bar cage-shaped connector formed by the steel bar sheet-shaped connector and the steel bar linear connector, the steel bar cage-shaped connector formed by the steel bar linear connector, or the steel bar cage-shaped connector formed by the steel bar sheet-shaped connector. In the embodiment of the present disclosure, the connectors 401 and 402 may also be a combination of any two or three of the above one-dimensional form of the reinforcing steel bar linear connector, two-dimensional form of the reinforcing steel bar sheet connector, and three-dimensional form of the reinforcing steel bar cage connector, for example, the reinforcing steel bar linear connector in the three-dimensional form of the reinforcing steel bar cage connector may be in the form of one-dimensional form of the reinforcing steel bar linear connector, and the reinforcing steel bar sheet connector may be in the form of two-dimensional form of the reinforcing steel bar sheet connector; the reinforcing steel used in the two-dimensional form reinforcing steel sheet connector and the three-dimensional form reinforcing steel cage connector may be in the shape of one-dimensional form reinforcing steel linear connector, and the like. Those skilled in the art can combine the concepts of the present disclosure.

The connection bodies 401, 402 in the form of reinforcing bars may be provided with reinforcing parts that reinforce the connection strength of the two prefabricated walls 100, 200. The reinforcement may be a raised structure and/or a thickened structure provided at the ends of the connectors 401, 402. The convex structure can be a parallel rib (arranged in the extending direction of the connecting body) or a transverse rib (arranged perpendicular to the extending direction of the connecting body) arranged at the end part of the connecting body, and the arrangement can be fixed by welding and the like. The thickening structure may be an end plate structure (for example, a plate structure vertically provided at the end), an upset structure (the diameter of the end is larger than that of the other portion), an additional sleeve structure, or an additional nut structure provided at the end of the connecting bodies 401, 402. Alternatively, the protruding structures and/or the thickened structures may be provided at other portions than the end portions, and the number of the protruding structures and/or the thickened structures may be plural according to actual needs.

Although not shown in fig. 20, the connecting bodies 401, 402 may be in the form of steel plates according to the present disclosure. In addition to being in the form of a flat steel plate, the steel plate may include a reinforcing part to reinforce the coupling strength of the two prefabricated walls 100 and 200. For example, the steel plate connector may be a planar connector, and holes or protrusions, which will serve to enhance the connection strength of the two prefabricated walls 100 and 200, may be provided on the steel plate connector as a reinforcement. The steel plate connector may be a planar bent shape connector, and the bent shape portion serves as a reinforcement by increasing a contact area in a thickness direction of the prefabricated wall. In addition, the end of the steel plate connection body may be provided with an end plate structure or a thickened structure as a reinforcing portion. In the embodiment of the present disclosure, the steel plate connector may be a combination of any two or three of the above-described planar-shaped connector having an opening or a protrusion, planar-curved-shaped connector, and connector having an end plate structure or a thickened structure at an end thereof.

The connectors 401, 402 may be formed at the factory, transported to the site, connected to prefabricated walls, and then poured with concrete.

According to an alternative of this embodiment, the superposed shear wall vertical connection structure may further include a longitudinal restraining connector, such as a longitudinal restraining rebar. Longitudinal restraining bars may be located in the cavities 104, 204, respectively, and extend in the width direction of the prefabricated wall. Longitudinal restraining bars are inserted through one end (e.g., an end having a U-shape or other closed form) of the closed connectors 401, 402, respectively. Longitudinal restraining bars may be used to restrain and position the connectors 401, 402. On the one hand, the connecting bodies 401 and 402 can be prevented from shifting under the action of external force after being installed in place, so that the connecting bodies 401 and 402 are prevented from being adjusted again, construction is facilitated, and construction efficiency is improved. On the other hand, the connectors 401 and 402 can be prevented from shifting in the later cast-in-place process, so that the casting quality is guaranteed, and the high strength and the high quality of the cast wall are guaranteed. The number of the longitudinal restraint reinforcing steel bars can be any number of the proper number, optionally, the number of the longitudinal restraint reinforcing steel bars is two, and a plurality of longitudinal restraint reinforcing steel bars are avoided while the restraint on the connecting bodies 401 and 402 is guaranteed, so that the construction is convenient, and the construction cost is reduced. The longitudinal constraint steel bars can be arranged in the middle of the connecting bodies 401 and 402, optionally, the two longitudinal constraint steel bars are respectively arranged at two ends of the closed connecting steel bars in a penetrating mode, construction is facilitated, and therefore construction efficiency is further improved.

The connection of the connecting bodies 401, 402 to the wall panel couplers 103, 203 may be in a variety of ways. For example, by steel wire, wire ties, or by rebar ties, and optionally, one end of connectors 401, 402 are attached to wall panel ties 103 of the prefabricated wall and the other end to wall panel ties 203.

Further, the connectors 401, 402 may be in the form of multiple segments, for example, including a first segment connector 401, which may have a majority located in the cavity 104 and an end extending into the cavity 204, and a second segment connector 402, which may have a majority located in the cavity 204 and an end extending into the cavity 104.

The connectors 401, 402 may be provided in one or more layers. For example, the arrangement may be made according to the number of layers of the wall panel couplers 103, 203 of the prefabricated wall.

In fig. 20, fig. 20a and 20b show the case where there is no functional layer, and fig. 20c and 20d show the case where there is a functional layer. In the case where the prefabricated wall includes the functional layer, the remaining portions may be the same as those without the functional layer except for the connection between the functional layer and the wall panel. Therefore, only the distinctive portions are described below, and the description of the same portions will be omitted.

The first wall panel 101, 201 may be considered an outer panel and the second wall panel 102, 202 may be considered an inner panel.

As shown in fig. 20c and 20d, the two prefabricated walls 100, 200 further comprise functional layers 106, 206, the functional layers 106, 206 may be insulating layers, fire-retardant layers and/or waterproof layers, the functional layers 106, 206 are disposed on the inner side of the outer panels, and the functional layers 106, 206 and the inner panels form a cavity.

The bonding member of the wall panel may include a first bonding member and a second bonding member, the second bonding member is a functional bonding member, the first bonding member is fixedly connected to the second wall panel, one end of the second bonding member passes through the functional layer and is fixedly connected to the first wall panel, and the other end of the second bonding member is fixedly connected to the second wall panel or is connected to the first bonding member. For example, a reinforcement cage 103, 203 (which may also be in the form of truss reinforcement, connecting reinforcement, or mesh reinforcement) and a functional bonding member 107, 207 may be included, the reinforcement cage 103 is secured to the second wall panel 102, 202, and one end of the functional bonding member 107, 207 is secured to the first wall panel 101, 201 through the functional layer. Although in fig. 20 it is shown that the other end of the functional bond 107 is fastened to the second wall panel 102, 202, it is also possible that the functional bond 107, 207 does not extend into the second wall panel 102, 202, but the other end of the functional bond 107, 207 is connected to the reinforcement cage 103, 203. It should also be noted that although the reinforcement cages 103, 203 are illustrated herein, the form of the coupling of the wall panels described in the other embodiments may also be used. In addition, when the functional layer is a heat insulating layer, the functional bonding members 107 and 207 are heat insulating bonding members.

And the section shape of the combining piece can be changed according to the thickness of the wall body.

In this embodiment, the transition shape between the first connecting body 401 and the second connecting body 402 may be a trapezoid, an arc, or the like.

In addition, the connector may also be in a rib forming manner of the first prefabricated wall, and the specific rib forming manner may be described with reference to fig. 6, and is not described herein again. For example, ribs can be respectively formed from two wall bodies of the prefabricated wall on the lower side, and the ribs extend into the cavity of the prefabricated wall on the upper side; or ribs can be respectively arranged from two wall bodies of the prefabricated wall positioned on the upper side, and the ribs extend into the cavity of the prefabricated wall positioned on the lower side; it is also possible to form the reinforcement from one wall of the prefabricated wall on the upper side and from one wall of the prefabricated wall on the lower side, and to extend the reinforcement into the cavity of the other prefabricated wall, respectively.

In addition, the concrete may be one or more of ordinary concrete, high-strength concrete, fiber concrete, fine aggregate concrete, self-compacting concrete, or foamed concrete.

The embodiment also comprises a construction method of the vertical connecting structure of the superposed shear wall, which comprises the steps of arranging the prefabricated wall in place to form vertical arrangement; placing connectors (e.g., inserted from the upper side of the prefabricated wall, etc.) such that the connectors are located in the cavities of two adjacent prefabricated walls; and pouring concrete in the cavity. The prefabricated wall and the connecting body can be prefabricated and molded in a factory and conveyed to a construction site. According to the construction method of the embodiment, the first prefabricated wall can be firstly arranged in place, the connecting body is placed, then the second prefabricated wall is placed, so that the vertical arrangement is formed, the connecting body is located in the cavity of the first prefabricated wall and the cavity of the second prefabricated wall, and finally concrete is poured in the cavity.

In addition, in the present embodiment, the two wall panels of the prefabricated wall can be in a staggered form or an aligned form; and/or mortise and tenon joint form or keyway form, and the various forms can be two or more than two. The detailed description thereof may refer to the description with respect to fig. 2. Although the prefabricated walls have different edge shapes, the connection of the connector to the prefabricated wall, etc. may be performed in the same manner as described above. In addition, concrete can be poured by means of formworks, for example, in the case of large gaps between adjacent wall panels of two prefabricated walls.

And a second embodiment (with a floor) of the vertical connecting structure of the superposed shear wall.

A laminated shear wall vertical connection with floor is shown in fig. 21. This embodiment is different from the embodiment in that a space for placing a floor slab 600 exists between the first prefabricated wall 100 and the second prefabricated wall 200. The description of the same parts will be omitted, and only the different parts will be described below.

There is a space between the first wall and the second wall of the first prefabricated wall 100 and the first wall and the second wall of the second prefabricated wall 200 to set the floor slab 600, which may be set on one side or both sides. Thus, the floor slab 600 is disposed on the wall body of the lower prefabricated wall, and the wall body of the upper prefabricated wall is disposed on the floor slab 600, and the vertical connection structure is formed by pouring concrete in the cavity.

The embodiment also comprises a construction method of the vertical connecting structure of the superposed shear wall, which comprises the steps of arranging a lower prefabricated wall; arranging a floor slab on the lower prefabricated wall; arranging an upper prefabricated wall on the floor slab; wherein when the connectors are individually placed, it comprises placing the connectors (e.g., inserted from the upper side of the prefabricated wall, etc.) such that the connectors are located in the cavities of two adjacent prefabricated walls; and pouring concrete in the cavity. The prefabricated wall and the connecting body can be prefabricated and molded in a factory and conveyed to a construction site.

In the description herein, reference to the description of the terms "one embodiment/mode," "some embodiments/modes," "example," "specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment/mode or example is included in at least one embodiment/mode or example of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to be the same embodiment/mode or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments/modes or examples. Furthermore, the various embodiments/aspects or examples and features of the various embodiments/aspects or examples described in this specification can be combined and combined by one skilled in the art without conflicting therewith.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

It will be understood by those skilled in the art that the foregoing embodiments are merely for clarity of illustration of the disclosure and are not intended to limit the scope of the disclosure. Other variations or modifications may occur to those skilled in the art, based on the foregoing disclosure, and are still within the scope of the present disclosure.

Claims (24)

1. The utility model provides a superimposed shear wall connection structure which characterized in that includes:

the prefabricated wall comprises at least two prefabricated walls and a plurality of prefabricated walls, wherein each prefabricated wall comprises a first wall plate, a second wall plate and a combining piece, the first wall plate and the second wall plate are oppositely arranged at a certain distance to form a cavity, and the combining pieces are fixedly connected with the first wall plate and the second wall plate respectively; and

a connector for connecting the at least two prefabricated walls, comprising a steel bar connector and/or a steel plate connector, wherein,

the steel bar connecting body comprises a one-dimensional steel bar linear connecting body; and/or

A two-dimensional form of a reinforcing bar sheet connector; and/or

A three-dimensional form of a reinforcement cage connector;

concrete is poured at least in the cavity, and the at least two prefabricated walls form a connection through the connecting bodies and the poured concrete.

2. The utility model provides a superimposed shear wall horizontal connection structure which characterized in that includes:

the prefabricated wall comprises two prefabricated walls or more than two prefabricated walls, wherein the two prefabricated walls or more than two prefabricated walls are horizontally arranged so that two adjacent prefabricated walls form any-shaped structure, each prefabricated wall comprises a first wall plate, a second wall plate and a combining piece, the first wall plate and the second wall plate are oppositely arranged at a certain distance to form a cavity, and the combining pieces are fixedly connected with the first wall plate and the second wall plate respectively; and

a connector for connecting the at least two prefabricated walls, comprising a steel bar connector and/or a steel plate connector, wherein,

the steel bar connecting body comprises a one-dimensional steel bar linear connecting body; and/or

A two-dimensional form of a reinforcing bar sheet connector; and/or

A three-dimensional form of a reinforcement cage connector; concrete is poured at least in the cavity, and the two prefabricated walls or more than two prefabricated walls form the arbitrary-shaped structure connection through the connecting bodies and the poured concrete.

3. The structure of claim 2, wherein the random configuration is one or more of a straight configuration, an L-configuration, a T-configuration, and/or a diagonal configuration.

4. A vertical connection structure of superimposed shear wall, includes:

the prefabricated wall comprises two prefabricated walls and a plurality of prefabricated walls, wherein the two prefabricated walls are arranged up and down, each prefabricated wall comprises a first wall plate, a second wall plate and a combining piece, the first wall plate and the second wall plate are oppositely arranged at a certain distance to form a cavity, and the combining pieces are fixedly connected with the first wall plate and the second wall plate respectively; and

a connector for connecting the at least two prefabricated walls, comprising a steel bar connector and/or a steel plate connector, wherein,

the steel bar connecting body comprises a one-dimensional steel bar linear connecting body; and/or

A two-dimensional form of a reinforcing bar sheet connector; and/or

A three-dimensional form of a reinforcement cage connector; concrete is poured at least in the cavity, and the two prefabricated walls form vertical connection through the connecting bodies and the poured concrete.

5. The structure of any one of claims 1 to 4, wherein the reinforcing bar coupler is shaped to enhance the coupling strength of the at least two prefabricated walls.

6. The structure of claim 5,

the reinforcing steel bar linear connector comprises: one or a combination of a polygonal shape, a spiral shape, a hook shape, or a wave shape; and/or

The reinforcing steel bar sheet connector comprises: one of a U shape, a whole ring shape, an end ring shape, or a net shape, or a combination of a plurality of shapes; and/or

The steel reinforcement cage-shaped connector is as follows: the reinforcing steel bar sheet-shaped connector and the reinforcing steel bar cage-shaped connector formed by the reinforcing steel bar linear connector, the reinforcing steel bar cage-shaped connector formed by the reinforcing steel bar linear connector or the reinforcing steel bar cage-shaped connector formed by the reinforcing steel bar sheet-shaped connector.

7. The structure of claim 6, wherein the reinforcing bar coupler is provided with a reinforcing part for reinforcing the coupling strength of two adjacent prefabricated walls.

8. The structure of claim 7, wherein the reinforcing portion is a projection structure and/or a thickening structure provided at the end of the connector.

9. The structure of claim 8,

the convex structure is a parallel rib or a transverse rib arranged at the end part of the connector; and/or

The thickening structure is an end plate structure, a upsetting structure, an additional sleeve structure or an additional nut structure arranged at the end part of the connecting body.

10. The structure according to any one of claims 1 to 4, wherein the steel plate connector is provided with a reinforcing part for reinforcing the connection strength of two adjacent prefabricated walls.

11. The structure of claim 10,

the steel plate connector is a planar connector, and an opening or a bulge is arranged on the steel plate connector to serve as the reinforcing part; and/or

The steel plate connector is a plane bent connector, and the bent part is used as the reinforcing part; and/or

The end part of the steel plate connecting body is provided with an end plate structure or a thickening structure which is used as the reinforcing part.

12. The structure of claim 11,

the connecting body is positioned in the cavities of two adjacent prefabricated walls; or

One end of the connecting body is positioned in the first wall board and/or the second wall board, and the other end of the connecting body extends to the outside from one side of the first wall board and/or the second wall board forming the cavity, or from the opposite side of the one side of the first wall board and/or the second wall board forming the cavity, or from the end part of the first wall board and/or the second wall board.

13. The structure of claim 12, wherein the edges of the first and second panels of two adjacent prefabricated walls are: an abutting form or a separated form; and/or staggered or aligned; and/or in a mortise and tenon joint form or a keyway form.

14. The structure of claim 13, wherein said fastener is a reinforcement cage, said reinforcement cage being fixedly connected to said first wall panel and said second wall panel, respectively.

15. The structure of claim 14, wherein said at least two prefabricated walls, or more than two prefabricated walls further comprises a functional layer, said functional layer being a thermal insulation layer, a fire barrier layer, and/or a water barrier layer, said functional layer being disposed on an interior side of one of said first and second wall panels, said functional layer forming said cavity with the other of said first and second wall panels; and

the bonding member comprises a first bonding member and a second bonding member, the second bonding member is a functional bonding member, the first bonding member is fixedly connected to the other wallboard, one end of the second bonding member penetrates through the functional layer and is fixedly connected to the one wallboard, and the other end of the second bonding member is fixedly connected to the other wallboard or is connected to the first bonding member.

16. The structure of claim 15, wherein the connector comprises a formed connector rebar cage.

17. The structure of claim 16, wherein the connector is a reinforcement cage located at the adjacent position of two adjacent prefabricated walls, and a connecting reinforcement or a connecting reinforcement in the form of a sheet, and both ends of the connecting reinforcement or the connecting reinforcement in the form of a sheet extend from the inner side and/or the outer side of the reinforcement cage into the hollow space of two adjacent prefabricated walls, respectively.

18. The structure of claim 17, wherein the connecting reinforcement or the plate-shaped connecting reinforcement includes first and second sections, one side of each of the first and second sections is located at or near the reinforcement cage, and the other side of each of the first and second sections is located in the cavity of the adjacent two prefabricated walls.

19. A structure as claimed in claim 17 or 18, wherein the connecting bars or sheet-like connecting bars are provided in one or more layers.

20. The structure of claim 19, wherein adjacent two prefabricated walls are spaced apart by a predetermined distance to form a cast-in-place section, the reinforcement cage is disposed at the cast-in-place section, and the connecting reinforcement or the sheet-like connecting reinforcement extends through a part or all of a cavity between the first wall panel and the second wall panel of the adjacent two prefabricated walls and extends to and/or through the cast-in-place section, and concrete is cast between the cavity and the cast-in-place section, and the prefabricated walls are connected to the connecting body by the concrete of the cast-in-place section.

21. The structure of claim 20, wherein a space for disposing a horizontal floor slab is not provided between two prefabricated walls disposed one above another in the vertical connection structure of the overlapped shear walls.

22. The structure of claim 20, wherein the two prefabricated walls disposed one above the other in the overlapped shear wall vertical connection structure are spaced apart on one side or both sides thereof so that the horizontal floor is disposed by the spacing on one side or both sides.

23. The structure of claim 22, wherein the thickness of one prefabricated wall of two adjacent prefabricated walls is less than the thickness of the other prefabricated wall.

24. The structure of claim 23, wherein the concrete is one of ordinary concrete, high strength concrete, fiber concrete, fine aggregate concrete, self-compacting concrete, or foamed concrete.

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