CN212534630U

CN212534630U - Prefabricated wall component and connection structure thereof

Info

Publication number: CN212534630U
Application number: CN202020959602.0U
Authority: CN
Inventors: 马钊; 张猛; 孙海宾
Original assignee: Sany Construction Technology Co Ltd
Current assignee: Sany Construction Technology Co Ltd
Priority date: 2020-05-29
Filing date: 2020-05-29
Publication date: 2021-02-12
Anticipated expiration: 2030-05-29

Abstract

The present disclosure provides a prefabricated wall component and a connection structure, the prefabricated wall component includes a wall main body and a convex portion. The wall main body comprises a wall leaf plate and a reinforcing piece, and the reinforcing piece is at least partially embedded in the wall leaf plate; the protruding part is arranged on at least one side surface of the wall leaf plate, and the end part of the protruding part forms a supporting plane. The prefabricated wall component does not need to increase a bottom template, saves the workload of erecting the template on site, and is high in efficiency. The upper prefabricated wall component can be hoisted before the laminated floor slab cast-in-place concrete is poured, so that the construction period is shortened and the safety is ensured.

Description

Prefabricated wall component and connection structure thereof

Technical Field

The disclosure relates to the field of construction of building components, in particular to a prefabricated wall component and a connecting structure thereof.

Background

The assembled building in China develops rapidly, but the existing prefabricated components, such as prefabricated wall components, are difficult to hoist and complex to assemble, require a large amount of labor and time to adjust, and are time-consuming and labor-consuming in the assembling process. For example, in the existing prefabricated wall structure, at the vertical connection (horizontal seam with the prefabricated floor) of the prefabricated wall component, a cast-in-place section of the composite floor slab needs to be reserved at the bottom of the prefabricated wall component, although the quality of the connection structure is controllable and the effect is visible, a bottom template needs to be added after the prefabricated wall component is hoisted in place, the field workload of a construction site is increased, labor is wasted, the efficiency is reduced, and in order to avoid the influence of the self weight of the upper prefabricated wall slab on the cast-in-place concrete of the composite floor slab, the upper prefabricated wall slab needs to be hoisted after the cast-in-place concrete of the upper composite floor slab reaches a certain strength, construction flowing water is interrupted, and the engineering construction.

SUMMERY OF THE UTILITY MODEL

To solve or at least alleviate at least one of the above technical problems, the present disclosure provides a prefabricated wall component and a connection structure thereof.

According to one aspect of the present disclosure, a prefabricated wall element includes:

the wall body comprises a wall leaf plate and a reinforcing piece, wherein the reinforcing piece is at least partially embedded in the wall leaf plate;

the protruding part is arranged on at least one side face of the wall leaf plate, and a supporting plane is formed at the end part of the protruding part.

According to at least one embodiment of the present disclosure, the wall body includes a first leaf and a second leaf, the first leaf and the second leaf being spaced apart to form a spaced cavity;

the reinforcing part comprises a first reinforcing part, a second reinforcing part and a connecting part, the first reinforcing part is at least partially embedded in the first blade plate, the second reinforcing part is at least partially embedded in the second blade plate, and the connecting part is arranged between the first blade plate and the second blade plate and used for connecting the first blade plate and the second blade plate;

the protruding part is arranged on at least one side surface of the first blade plate or the second blade plate.

According to at least one embodiment of the present disclosure, a reinforcing member is embedded within the boss, the reinforcing member extending at least partially into the wall panel.

According to at least one embodiment of the present disclosure, the reinforcing member includes a longitudinal rib and a transverse rib, the longitudinal rib and the transverse rib being connected, the longitudinal rib extending from inside the boss portion into inside the wall main body.

According to at least one embodiment of the present disclosure, the longitudinal ribs are perpendicular to the transverse ribs.

According to at least one embodiment of the present disclosure, the boss includes a first boss disposed on at least one side of the first louver and a second boss disposed on at least one side of the second louver, the first boss including a first reinforcing member, the second boss including a second reinforcing member, the first reinforcing member extending at least partially into the first louver, the second reinforcing member extending at least partially into the second louver.

According to at least one embodiment of the present disclosure, a position of the first boss corresponds to a position of the second boss.

According to at least one embodiment of the present disclosure, a tie bar is further included between the first boss and the second boss for connecting the first boss and the second boss.

According to another aspect of the present disclosure, a connecting structure of prefabricated wall elements includes:

a horizontal unit;

the precast wall element according to any of the preceding claims, comprising at least two sets of the protrusions supported on the horizontal unit such that a gap is formed between the wall body and the horizontal unit;

cast-in-place concrete connecting the horizontal unit and the prefabricated wall member;

and horizontal unit reinforcing bars provided in the cast-in-place concrete and extending from one side to the other side of the prefabricated wall member through the gap.

According to at least one embodiment of the present disclosure, includes:

the prefabricated wall comprises a first prefabricated wall component and a second prefabricated wall component, wherein the first prefabricated wall component comprises a first prefabricated cavity, the second prefabricated wall component comprises a second prefabricated cavity, the first prefabricated cavity and the second prefabricated cavity are arranged correspondingly, the horizontal unit is arranged on the top of the first prefabricated wall component, the second prefabricated wall component at least comprises two groups of convex parts, and the convex parts are supported on the horizontal unit to form a gap between the second prefabricated wall component and the horizontal unit;

the wall connecting piece is at least partially arranged in the first prefabricated cavity and the second prefabricated cavity;

cast-in-place concrete connecting the first prefabricated wall element, the second prefabricated wall element and the horizontal unit;

and a horizontal unit reinforcing bar provided in the cast-in-place concrete and extending from one side to the other side of the second prefabricated wall member through the gap.

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 structural view of an exemplary embodiment of a prefabricated wall element of the present disclosure.

Fig. 2 and 3 are side sectional views of exemplary embodiments of prefabricated wall elements of the present disclosure.

FIG. 4 is a schematic front view of an exemplary embodiment of a laminated wall preform of the present disclosure with a reinforcement member disposed within the projection.

Fig. 5, 6 and 7 are schematic structural views of three different embodiments of the reinforcing member.

Fig. 8 is a front schematic view of a connection structure of prefabricated wall elements according to the present disclosure.

Fig. 9 and 14 are side sectional views of the connection structure of prefabricated wall units according to the present disclosure, in which the sectional position is passed through a projection.

Fig. 10 and 15 are side sectional views of the coupling structure of prefabricated wall units according to the present disclosure, in which the sectional position is not passed through the projection.

Fig. 11 is a top view of a connection structure of prefabricated wall elements according to the present disclosure.

Fig. 12a to 12c are schematic views sequentially showing different states of a first implementation process of the connection structure of prefabricated wall elements according to the present disclosure.

Fig. 13a to 13c are schematic views sequentially showing different states of a second implementation process of the connection structure of prefabricated wall elements according to the present disclosure.

Description of reference numerals:

1-a first leaf; 2-a second blade plate; 3-a connector; 4-bulge; 5-a cavity; 6-longitudinal ribs; 7-transverse ribs; 8-oblique ribs; 9-prefabricated component of composite floor slab; 10-upper reinforcing steel bars of the floor slab; 11-wall connectors; 12-upper prefabricated wall elements; 13-lower prefabricated wall elements; 14-cast-in-place concrete of the composite floor slab; 15-cast-in-place concrete for the superposed wall; 16-cushion blocks; 17-a wall body; 18-a reinforcement; 19-horizontal unit; 20-a reinforcing member; 21-a first reinforcement; 22-second reinforcement.

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.

In the present disclosure, for convenience of describing the positional relationship of the prefabricated wall elements and the connection structure, the vertical height direction of the prefabricated wall elements is referred to as vertical direction, and the top, bottom, upper side, lower side, and the like are determined based on the vertical direction of the wall elements, based on the orientation of the prefabricated wall elements after being constructed in place. The horizontal width direction of the prefabricated wall units is referred to as a lateral direction. The direction of the prefabricated wall elements toward the enclosed space outside the building is referred to as outward, the direction toward the enclosed space inside the building is referred to as inward, and the inner, outer, etc. are determined based on the inward and outward directions. The direction from the outer side surface to the inner side surface of the prefabricated wall member is the thickness direction, namely the direction perpendicular to the wall surface.

According to one aspect of the present disclosure, referring to the schematic structural view of an exemplary embodiment of a prefabricated wall unit of the present disclosure shown in fig. 1, there is provided a prefabricated wall unit including a wall body 17 and a projection, such as projection 4. The wall body 17 comprises a plurality of wall blades and reinforcing members 18, the wall blades may be formed by prefabricating concrete, and the reinforcing members 18 are at least partially embedded in the wall blades. The raised portion is provided on at least one side of the wall leaf panel, for example, the bottom surface of the wall leaf panel may be provided with a protrusion 4, the end of the raised portion forming a support plane for supporting the wall leaf panel.

In an alternative, referring to the side cross-sectional view of the exemplary embodiment of the prefabricated wall element of the present disclosure shown in fig. 2 and 3, the wall body 17 may comprise a first leaf 1 and a second leaf 2, the first leaf 1 and the second leaf 2 are both prefabricated from concrete, the first leaf 1 and the second leaf 2 are spaced apart, and a cavity 5 is formed therebetween. The cavity 5 is used for casting concrete in situ to combine with the prefabricated first blade plate 1 and the prefabricated second blade plate 2 to form a laminated wall. The laminated wall of the present disclosure includes a laminated wall preform and cast-in-place concrete (laminated wall cast-in-place concrete 15) cast in the cavity 5. In the present application: after the wall is constructed in place, the first blade plate 1 is positioned at the outer side, and the second blade plate 2 is positioned at the inner side. The reinforcement 18 may comprise a first reinforcement 21, a second reinforcement 22 and a connection member 3, the first reinforcement 21 being at least partially embedded in the first blade 1, the second reinforcement 22 being at least partially embedded in the second blade 2, the connection member 3 being arranged between the first blade 1 and the second blade 2 for connecting the first blade 1 and the second blade 2. The first blade 1 and the second blade 2 are connected together by a connecting piece 3. That is, both sides of the connection member 3 are connected to the first reinforcement 21 embedded in the first blade 1 and the second reinforcement 22 embedded in the second blade 2, respectively, to form an integral structure.

Other different embodiments of the reinforcement 18 are possible: for example, it may include a longitudinal rib and a transverse rib respectively disposed in the first blade 1 and the second blade 2, and a connection rib perpendicular to the plane of the longitudinal rib and the transverse rib, the connection rib is transversely disposed between the first blade 1 and the second blade 2 to form a tension joint. Also can include vertical muscle and reinforcing bar net piece, vertical muscle sets up in first lamina 1 and second lamina 2 along vertical direction respectively, and reinforcing bar net piece draws and connects vertical muscle and play the effect of connecting first lamina 1 and second lamina 2. The steel bar truss structure comprises a first blade plate 1, a second blade plate 2, a connecting steel bar assembly and a truss steel bar, wherein the first blade plate 1 and the second blade plate 2 are connected through the truss steel bar, the truss steel bar is connected with the transverse steel bar and the longitudinal steel bar, and the first blade plate 1 and the second blade plate 2 are connected through the truss steel bar. Or the truss steel bar can be separately arranged between the first blade plate 1 and the second blade plate 2, and two sides of the truss steel bar are respectively embedded into the first blade plate 1 and the second blade plate 2. The steel bar ladder can also comprise ladder steel bars which are independently arranged between the first blade plate 1 and the second blade plate 2, and two sides of the ladder steel bars are respectively embedded into the first blade plate 1 and the second blade plate 2. The above-mentioned connection relationship between these reinforcing bars, reinforcing mesh sheets or truss reinforcing bars can be connected by means of welding, binding and the like.

The convex part is arranged on at least one side surface of the first blade plate 1 or the second blade plate 2. For example, the bottom of the first blade 1 is provided with a protrusion 4, or the bottom of the second blade 2 is provided with a protrusion 4, or the protrusions 4 may be respectively provided at the bottom of the first blade 1 and the second blade 2. The function of the protrusion 4 is to support the first leaf 1 or the second leaf 2 on the lower horizontal unit 19, such as the composite floor prefabricated member 9, so that a gap with a certain distance is formed between the position of the bottom of the first leaf 1 and the second leaf 2 without the protrusion 4 and the composite floor prefabricated member 9, so that the bottom gap transversely penetrates through the bottom of the first leaf 1 and the second leaf 2 when the upper reinforcing steel bar 10 of the floor is arranged on the composite floor prefabricated member 9. The composite floor slab comprises a composite floor slab prefabricated part 9 and cast-in-place concrete (composite floor slab cast-in-place concrete 14) poured on the composite floor slab, wherein the cast-in-place concrete is used for burying the upper reinforcing steel bars 10 and gaps of the floor slab.

This prefabricated wall component of disclosure sets up arch 4 in the bottom of wall main part 17, when site operation, supports on horizontal unit 19 like the floor prefab through arch 4, does not have to form the space between the place of arch 4 and the floor prefab in wall main part 17 bottom, wears to establish floor upper portion reinforcing bar 10 through the space, need not increase the bottom template, saves on-the-spot template work load of setting up, and is efficient. Meanwhile, the dead weight of the upper-layer prefabricated wall component 12 is transferred to the lower-layer prefabricated wall component 13 through the blade plates and the floor prefabricated components, the upper-layer prefabricated wall component 12 can be hoisted before the laminated floor cast-in-place concrete 14 is poured, and the construction period is shortened while the safety is guaranteed.

In one embodiment of the present disclosure, the projections 4 may be formed of concrete; the first blade 1 and the second blade 2 are formed integrally with the bottom protrusion 4 when prefabricated. The blade plate and the bulge 4 are prefabricated together through concrete, so that the process is simple, and the integral stress performance is good.

Further, the bottom of the first blade plate 1 and the bottom of the second blade plate 2 are both provided with at least two protrusions 4 at intervals, and the protrusions 4 at the bottom of the first blade plate 1 are opposite to the protrusions 4 at the bottom of the second blade plate 2. As can be seen from the front view of fig. 1, the projections 4 on the inner and outer blades are correspondingly identical in position. The arrangement of the plurality of protrusions 4 can more uniformly disperse the overall stress.

In one embodiment of the present disclosure, referring to fig. 4, a reinforcement member 20 is embedded within the boss, the reinforcement member 20 extending at least partially into the wall panel. That is, the reinforcing member 20 may be embedded in the boss 4. Since the projection 4 is required to bear the weight of the entire prefabricated wall part during construction and may collide with the projection 4 during lifting and transportation, the reinforcing member 20 serves to increase the structural strength of the projection 4 and prevent it from being damaged or broken. There are various embodiments of the reinforcing member 20 as long as they function to enhance the structural strength of the protrusions 4, such as the structural schematic diagrams of three different embodiments of the reinforcing member 20 shown in fig. 5, 6 and 7.

In one embodiment of the present disclosure, referring to fig. 5, the reinforcing member 20 may include a longitudinal rib 6, the longitudinal rib 6 being a reinforcing bar vertically disposed in the protrusion 4, the longitudinal rib 6 extending from the inside of the protrusion 4 into the first blade 1 or the second blade 2. The bottom of the longitudinal rib 6 is close to the bottom of the bulge 4, and the longitudinal rib 6 extends upwards and vertically and extends into the blade. In this embodiment, if a louver reinforcing rib is provided in the louver, for example, a longitudinal rib vertically provided in the louver, the longitudinal rib corresponding to the position of the protrusion 4 can be extended to be close to the bottom of the protrusion 4 when the louver is prefabricated, and the longitudinal rib 6 does not need to be separately provided in the protrusion 4.

In one embodiment of the present disclosure, referring to fig. 6, the reinforcing member 20 may include a longitudinal rib 6 and a transverse rib 7. Indulge muscle 6 and horizontal muscle 7 and be connected, indulge muscle 6 and horizontal muscle 7 can incline to set up in arch 4. The longitudinal ribs 6 extend from within the projections 4 into the wall body 17, for example into the first leaf 1 or the second leaf 2; the bottom of the longitudinal rib 6 is close to the bottom of the bulge 4, and the longitudinal rib 6 extends upwards and vertically and extends into the blade. Alternatively, the longitudinal ribs 6 and the transverse ribs 7 may be perpendicular to each other. Namely, the transverse ribs 7 are embedded in the protrusions 4 and are perpendicular to the longitudinal ribs 6. Likewise, the longitudinal ribs corresponding to the position of the projections 4 can be extended close to the bottom of the projections 4 when prefabricating the leaf plate, only the transverse ribs 7 need to be separately arranged in the projections 4.

In one embodiment of the present disclosure, referring to fig. 7, the reinforcing member 20 may further include a longitudinal rib 6, a transverse rib 7, and a diagonal rib 8. The longitudinal bar 6 is a vertical reinforcing bar arranged in the bulge 4, the transverse bar 7 is a horizontal reinforcing bar arranged in the bulge 4, and the diagonal bar 8 is a reinforcing bar obliquely arranged in the bulge 4. The longitudinal ribs 6 extend from the inside of the bulge 4 to the inside of the first blade plate 1 or the second blade plate 2; the bottom of the longitudinal rib 6 is close to the bottom of the bulge 4, and the longitudinal rib 6 extends upwards and vertically and extends into the blade. The transverse ribs 7 are embedded in the protrusions 4 and are perpendicular to the longitudinal ribs 6; the inclined ribs 8 are embedded in the protrusions 4 and obliquely intersected with the longitudinal ribs 6 and the transverse ribs 7. Similarly, the longitudinal ribs corresponding to the positions of the protrusions 4 can be extended to be close to the bottoms of the protrusions 4 when the blade plates are prefabricated, and only the transverse ribs 7 and the inclined ribs 8 need to be separately arranged in the protrusions 4.

In the embodiment of the reinforcing member 20 shown in fig. 5 to 7, the front view is shown, and the structure in the thickness direction cannot be seen, and the longitudinal ribs 6, the transverse ribs 7, or the diagonal ribs 8 in the protrusion 4 may be arranged at intervals in the thickness direction and connected in sequence by the connecting ribs in the thickness direction.

In one embodiment of the present disclosure, referring to the side sectional views shown in fig. 10 and 15, the height of the projection 4 is the same as the cast-in-place concrete thickness of the laminated floor slab. If the height of the bulge 4 is larger than the thickness of the cast-in-place concrete, a gap is left after the casting; if the height of the projections 4 is too low, the arrangement of the reinforcing bars 10 on the upper part of the floor slab is affected.

In one embodiment of the present disclosure, referring to fig. 3, the protrusion may include a first protrusion and a second protrusion, the first protrusion being disposed on at least one side of the first louver, for example, the first protrusion 4 is disposed on the bottom of the first louver. The second protrusion is disposed on at least one side of the second blade, for example, the second protrusion 4 is disposed on the bottom of the second blade. The first boss comprises a first stiffening member 20 and the second boss comprises a second stiffening member 20, the first stiffening member 20 extending at least partially into the first leaf and the second stiffening member 20 extending at least partially into the second leaf.

Further, the position of the first protruding portion corresponds to the position of the second protruding portion. This arrangement facilitates leaving sufficient space for the horizontal unit rebar to pass through.

Further, a tie bar (not shown in the figure) is further included between the first protruding portion and the second protruding portion, for example, a first protrusion 4 disposed at the bottom of the first blade corresponds to a second protrusion 4 disposed at the bottom of the second blade, and a tie bar is transversely disposed between the first protrusion 4 and the second protrusion 4, so as to connect the first protruding portion and the second protruding portion to form a stressed whole.

According to another aspect of the present disclosure, referring to a front schematic view of a connection structure of prefabricated wall elements of the present disclosure shown in fig. 8 and side sectional views shown in fig. 9, 14, 10 and 15, there is provided a connection structure of prefabricated wall elements including a horizontal unit 19, prefabricated wall elements, cast-in-place concrete, and horizontal unit reinforcing bars. The prefabricated wall elements are the prefabricated wall elements described earlier in this disclosure, with the horizontal unit 19 located below. The prefabricated wall elements comprise at least two sets of protrusions which are supported on the horizontal elements 19 such that a gap is formed between the wall body 17 and the horizontal elements 19. The cast-in-place concrete connects the horizontal unit 19 with the prefabricated wall elements. The horizontal unit reinforcing bars are disposed in the cast-in-place concrete and extend from one side to the other side of the prefabricated wall member through the gap.

In one embodiment of the present disclosure, the connection structure may include a first prefabricated wall element, a second prefabricated wall element, a wall connector, cast-in-place concrete, and horizontal unit steel bars. The first prefabricated wall component comprises a first prefabricated cavity, the second prefabricated wall component comprises a second prefabricated cavity, the first prefabricated cavity and the second prefabricated cavity are arranged correspondingly, the horizontal unit 19 is arranged on the top of the first prefabricated wall component, the second prefabricated wall component at least comprises two groups of protruding parts, and the protruding parts are supported on the horizontal unit 19 to enable a gap to be formed between the second prefabricated wall component and the horizontal unit 19. The wall connecting piece is at least partially arranged in the first prefabricated cavity and the second prefabricated cavity. The cast-in-place concrete connects the first prefabricated wall elements, the second prefabricated wall elements and the horizontal unit 19. The horizontal unit reinforcing bars are disposed in the cast-in-place concrete and extend from one side to the other side of the second prefabricated wall member through the gap.

In one embodiment, the prefabricated wall components in the connection structure are prefabricated components of a composite wall, the horizontal units 19 are composite floor slabs, and the horizontal unit steel bars are upper steel bars 10 of the floor slabs. The connecting structure comprises a composite floor slab prefabricated part 9, upper and lower prefabricated wall components, floor slab upper reinforcing steel bars 10 and a wall body connecting piece 11. The bottom of the prefabricated wall component blade plate is provided with a bulge 4. In the connection structure, an upper prefabricated wall element 12 and a lower prefabricated wall element 13 are provided above and below the vertical direction, respectively. Since the composite floor slab includes the composite floor slab prefabricated member 9 and the cast-in-place concrete poured thereon (the composite floor slab cast-in-place concrete 14), the thickness of the composite floor slab prefabricated member 9 is smaller than that of the composite floor slab. During construction, the composite floor prefabricated part 9 is hoisted and arranged in place, the composite floor prefabricated part 9 is supported on the prefabricated wall component below, and the composite floor prefabricated part 9 is hoisted and supported on the inner side leaf plate and the outer side leaf plate of the lower-layer prefabricated wall component 13. Then hoisting and arranging an upper-layer prefabricated wall component 12, wherein the bottom bulge 4 of the upper prefabricated wall component is supported on the laminated floor slab prefabricated component 9; that is, the inner side leaf plate of the upper layer prefabricated wall component 12 and the bulge 4 at the bottom of the outer side leaf plate are supported on the composite floor prefabricated component 9, and the weight of the upper layer prefabricated wall component 12 is transmitted to the inner side leaf plate and the outer side leaf plate of the lower composite wall through the bulge 4 and the composite floor prefabricated component 9, so that the composite floor prefabricated component 9 and the upper layer prefabricated wall component 12 can be hoisted and arranged without waiting for the cast-in-place concrete to reach a certain strength, and continuous construction can be realized.

The floor slab upper reinforcing bars 10 transversely penetrate the bottom of the prefabricated wall units from the gaps between the protrusions 4 for embedding in the cast-in-place concrete of the laminated floor slab, see fig. 11, which is a top view of the connection structure of the prefabricated wall units of the present disclosure. Upper prefabricated wall component 12 supports on coincide floor prefab 9 through protruding 4, forms the clearance between the place that upper prefabricated wall component 12 bottom does not have protruding 4 and the floor prefab, can wear to establish floor upper portion reinforcing bar 10 through this clearance, need not establish the template in addition in upper prefabricated wall component 12 bottom, has reduced the work load of on-the-spot formwork, raises the efficiency.

The upper part of the wall connecting piece 11 extends into the cavity 5 of the prefabricated wall component above, and the lower part thereof extends into the cavity 5 of the prefabricated wall component below for being buried in cast-in-place concrete in the cavity 5. The wall connecting piece 11 is used for connecting the upper superposed wall with the lower superposed wall, so that the overall strength of the connecting structure is increased.

In one embodiment of the present disclosure, the wall connection 11 may be made of steel bars, steel plates, or steel sections. As shown in fig. 9 and 10, the wall connector 11 is made of ring-shaped steel bars, and a plurality of ring-shaped steel bars are arranged at intervals in the width direction of the upper and lower prefabricated wall members 13.

The specific construction process will be described below with reference to the schematic views of the first embodiment of the connection structure shown in fig. 12a to 12c in different states, in which the longitudinal section of the connection structure is cross-shaped.

Step 1: after the cast-in-place concrete is poured into the cavity 5 of the lower prefabricated wall component 13 to the top of the composite wall, the composite floor slab prefabricated component 9 and the wall connecting piece 11 are hoisted in place (fig. 12 a).

Step 2: after placing the cushion blocks 16 on the top of the laminated floor slab prefabricated members 9 and leveling, hoisting the upper prefabricated wall members 12 (fig. 12 b).

And step 3: after the upper reinforcing steel bars 10 of the floor slab are bound on the prefabricated components 9 of the composite floor slab, cast-in-place concrete of the composite floor slab and cast-in-place concrete in the cavity 5 of the upper-layer prefabricated wall component 12 are poured (fig. 12 c).

And repeating the steps 1-3 to continue the construction.

The specific construction process will be described below with reference to the different state diagrams of the second embodiment of the connection structure shown in fig. 13a to 13c, in which the longitudinal section of the connection structure is t-shaped.

Step 1: after the cast-in-place concrete is poured into the cavity 5 of the lower prefabricated wall component 13 to the top of the composite wall, the composite floor slab prefabricated component 9 and the wall connecting piece 11 are hoisted in place (fig. 13 a).

Step 2: after placing the cushion blocks 16 on the top of the laminated floor slab prefabricated members 9 and leveling, hoisting the upper prefabricated wall members 12 (fig. 13 b).

And step 3: after the upper reinforcing steel bars 10 of the floor slab are bound on the prefabricated components 9 of the composite floor slab, cast-in-place concrete of the composite floor slab and cast-in-place concrete in the cavity 5 of the upper-layer prefabricated wall component 12 are poured (fig. 13 c).

And repeating the steps 1-3 to continue the construction.

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

1. A prefabricated wall element, comprising:

the protruding part is arranged on at least one side face of the wall leaf plate, and the end part of the protruding part forms the supporting plane.

2. The precast wall element of claim 1 wherein the wall body comprises a first leaf and a second leaf, the first leaf and the second leaf being spaced apart to form a spacing cavity;

3. A prefabricated wall element according to claim 1 or 2, wherein reinforcing elements are embedded in the bosses and extend at least partially into the wall leaf panels.

4. A prefabricated wall element according to claim 3, wherein the reinforcing element comprises a longitudinal bar and a transverse bar, the longitudinal bar and the transverse bar being connected, the longitudinal bar extending from within the boss into the wall body.

5. The precast wall element according to claim 4, wherein the longitudinal bars are perpendicular to the transverse bars.

6. A prefabricated wall element according to claim 2, wherein the boss comprises a first boss provided to at least one side of the first leaf and a second boss provided to at least one side of the second leaf, the first boss comprising a first stiffening member and the second boss comprising a second stiffening member, the first stiffening member extending at least partially into the first leaf and the second stiffening member extending at least partially into the second leaf.

7. The precast wall element according to claim 6, wherein the position of the first boss corresponds to the position of the second boss.

8. The precast wall element according to claim 7, further comprising a tie bar between the first boss and the second boss for connecting the first boss and the second boss.

9. A connecting structure of prefabricated wall components, comprising:

a horizontal unit;

a prefabricated wall element according to any one of claims 1 to 8, including at least two sets of said bosses supported on said horizontal elements to form a gap between said wall body and said horizontal elements;

10. The prefabricated wall element connecting structure according to claim 9, comprising: