CN108729564B

CN108729564B - Assembled building system

Info

Publication number: CN108729564B
Application number: CN201710263486.1A
Authority: CN
Inventors: 袁昕; 尹稚; 袁牧; 王昌兴; 付学宝; 陈春材
Original assignee: Beijing Thupdi Planning Design Institute Co ltd
Current assignee: Beijing Thupdi Planning Design Institute Co ltd
Priority date: 2017-04-19
Filing date: 2017-04-19
Publication date: 2024-04-16
Anticipated expiration: 2037-04-19
Also published as: CN108729564A

Abstract

The invention discloses an assembled building system, which comprises: the shear wall vertical joint connection structure comprises at least two horizontally spliced precast shear walls, wherein a first reserved concave part with one open side is arranged at the vertical joint of each of the two horizontally spliced precast shear walls and is quickly connected through a first connecting assembly; the shear wall horizontal joint connection structure comprises at least two prefabricated shear walls which are spliced up and down, and a second reserved concave part with one open side is arranged at the horizontal joint of the two prefabricated shear walls which are spliced up and down and is connected quickly through a second connecting component; horizontal slotting and beam connecting energy consumption connecting structure; a plurality of precast floor slabs. According to the assembled building system provided by the embodiment of the invention, the rapid connection can be realized, the operation is simple, the overall performance of the assembled shear wall structure is ensured, the construction speed is effectively improved, the cost is reduced, and the advantages of an assembled building are reflected.

Description

Assembled building system

Technical Field

The invention relates to the technical field of civil engineering. And more particularly to a fabricated building system.

Background

The fabricated shear wall in the related art can be realized by prefabricating a wall body factory and casting connection nodes in situ, but a large amount of site workload such as scaffold construction, binding of reinforcing steel bars at the nodes, formwork erection, pouring and maintenance of concrete, external wall heat preservation, wall surface and the like is required to be built, so that the construction speed of the fabricated building is seriously reduced.

Disclosure of Invention

The invention aims at least solving the existing problems one of the technical problems in the art. Therefore, the invention provides an assembled building system which is reliable and efficient in connection.

According to an embodiment of the invention, a fabricated building system comprises: the shear wall vertical joint connection structure comprises at least two horizontally spliced precast shear walls, wherein a first reserved concave part with one open side is arranged at the vertical joint of the two horizontally spliced precast shear walls and is quickly connected through a first connecting assembly; the shear wall horizontal joint connection structure comprises at least two prefabricated shear walls which are spliced up and down, wherein a second reserved concave part with one open side is arranged at the horizontal joint of the two prefabricated shear walls which are spliced up and down and is connected quickly through a second connecting component; the horizontal split connecting beam energy consumption connecting structure comprises a connecting beam and two prefabricated shear walls which are arranged at intervals along the horizontal direction, and two ends of the connecting beam are respectively connected with the two prefabricated shear walls; and at least a part of the precast floor slabs are spliced between the two precast shear walls spliced up and down.

According to the fabricated building system provided by the embodiment of the invention, the fabricated building system is formed by adopting the shear wall vertical joint connection structure, the shear wall horizontal joint connection structure, the horizontal slotting and girder energy consumption connection structure and the prefabricated floor slab for assembly, and the connection process is dry operation, so that a scaffold is not required to be built, the on-site construction process is greatly simplified, the rapid assembly of the fabricated building system can be realized, the operation is simple, the overall performance of the fabricated shear wall structure is ensured, the construction speed is effectively improved, the cost is reduced, and the advantages of the fabricated building are embodied.

According to one embodiment of the invention, the two horizontally spliced precast shear walls are respectively provided with the embedded assemblies, the first reserved concave part is internally provided with the first connecting assembly, and the embedded assemblies in the two horizontally spliced precast shear walls are quickly connected through the first connecting assembly.

Optionally, the first preformed recess includes a plurality of spaced apart along the height of the prefabricated shear wall.

Optionally, the pre-buried component includes: the horizontal steel bars and the anchoring steel bars extend along the horizontal direction respectively, at least one part of the horizontal steel bars and the anchoring steel bars are distributed at intervals in the thickness direction of the prefabricated shear wall, and one end, adjacent to the vertical joint, of the horizontal steel bars is bent towards the first reserved concave part along the thickness direction of the prefabricated shear wall to form a bending section; the embedded steel plates are arranged at the positions, adjacent to the first reserved concave parts, of each prefabricated shear wall and are welded with the bending sections of the anchoring steel bars and the horizontal steel bars.

Further, the anchor bars are bent twice along the thickness direction of the prefabricated shear wall.

Optionally, the first connection assembly includes: the connecting steel plate covers the bottom of the first reserved concave part; the connecting pieces extend along the thickness direction of the prefabricated shear wall, one end of each connecting piece is inserted into the prefabricated shear wall and connected with the embedded steel plate, and the other end of each connecting piece is connected with the connecting steel plate.

In some optional examples, the connecting piece forms an embedded bolt with one end embedded in the prefabricated shear wall and welded with one side of the embedded steel plate facing away from the connecting steel plate, and the other end of the embedded bolt penetrates through the connecting steel plate and is connected with a nut.

In other optional examples, a pre-buried box is arranged on one side, facing away from the connecting steel plate, of the pre-buried steel plate, the connecting piece forms a connecting bolt capable of being connected with the pre-buried steel plate quickly, one end of the connecting bolt stretches into the pre-buried box and is clamped with the pre-buried steel plate, and the other end of the connecting bolt penetrates through the connecting steel plate and is connected with a nut.

Further, the connecting bolt stretches into the cross section of the head of the embedded box to form a strip shape, at least two limiting blocks are arranged on one side of the embedded steel plate, which faces the embedded box, and the at least two limiting blocks are located on two sides of the head of the connecting bolt.

Further, the connecting steel plate and the embedded steel plate are respectively provided with a long bolt hole corresponding to the head shape of the connecting bolt.

Optionally, at least one connecting piece is arranged on each embedded steel plate in the length direction of the prefabricated shear wall, and at least two connecting pieces are arranged in the height direction of the prefabricated shear wall.

According to one embodiment of the invention, the two horizontally spliced prefabricated shear walls are arranged in a straight line.

According to another embodiment of the invention, the shear wall vertical joint connection structure comprises at least three prefabricated shear walls which are horizontally spliced, wherein two prefabricated shear walls which are arranged in a straight line are connected and then are connected with a third prefabricated shear wall, the three prefabricated shear walls are arranged in a T shape, the cross section shape of the connecting steel plates forms a T shape, and each support plate of the connecting steel plates is connected with the embedded steel plates of the prefabricated shear wall at the corresponding position respectively.

According to another embodiment of the invention, the two horizontally spliced prefabricated shear walls are arranged in an L shape, and the cross section shape of the connecting steel plates is approximately L-shaped.

According to one embodiment of the invention, in the two prefabricated shear walls spliced up and down, vertical steel bars extending along the up-down direction are arranged in each prefabricated shear wall, wherein the vertical steel bars of the two prefabricated shear walls respectively extend into the second reserved concave parts and can be connected quickly.

Optionally, a connecting plate is arranged in the second reserved concave part, and the end parts of the vertical steel bars of the two prefabricated shear walls spliced up and down respectively penetrate through the connecting plate along opposite directions and are connected with nuts.

Further, the cross-sectional shape of the web generally forms a Z-shape.

Optionally, a reinforcement connector is arranged in the second reserved concave part, and the ends of the vertical reinforcements of the two prefabricated shear walls spliced up and down are connected through the reinforcement connector.

Further, the ends of the two vertical rebars extend into the rebar connector respectively, and each vertical rebar extends into and out of the rebar connector and is connected with a nut.

Still further, be equipped with detachable retaining member on the reinforcing bar connector, vertical reinforcing bar stretches into in the reinforcing bar connector with the nut is connected after pass through the retaining member lock.

According to one embodiment of the invention, the horizontal joints of the two prefabricated shear walls spliced up and down are staggered with the connecting nodes of the two vertical steel bars in the up-down direction.

Optionally, the horizontal split connecting beam energy consumption connection structure comprises: the two ends of the first connecting beam are respectively connected with the upper ends of the two first precast shear walls; the second is even roof beam and two second prefabricated shear force walls of following horizontal direction interval arrangement, the both ends of second even roof beam respectively with two the lower extreme of second prefabricated shear force wall is connected, the lower surface of second even roof beam with the upper surface of first even roof beam is connected, wherein, first even roof beam with the joint seam of second even roof beam forms first slotting, be equipped with flexible material spare in the first slotting.

Optionally, a second slit extending along the horizontal direction is formed in the middle of at least one of the first connecting beam and the second connecting beam, and a flexible material piece is filled in the second slit.

Optionally, the flexible material is an extruded sheet.

Optionally, at least two connecting beam longitudinal ribs which are arranged at intervals and extend along the horizontal direction are arranged in the first connecting beam, a steel reserved box which is welded with at least two connecting beam longitudinal ribs is arranged in a first slit between the first connecting beam and the second connecting beam, and dampers which are distributed in a crossing manner with the first slit are arranged in the steel reserved box.

Optionally, at least two anchor bars which are arranged at intervals and extend along the vertical direction are arranged in the connecting beam provided with the second slit in the first connecting beam and the second connecting beam, and dampers which extend along the vertical direction and are distributed in a crossing manner with the second slit are arranged in an area surrounded by the at least two anchor bars.

Optionally, the damper includes: the steel pipe and the lead core are filled in the steel pipe, and the steel pipe extends along the vertical direction and is welded with the anchoring steel bar.

According to one embodiment of the invention, the precast floor slabs are provided with a plurality of spaced floor lap joints, the precast shear walls are provided with reserved grooves at the positions of the floor lap joints, the top surfaces and the bottom surfaces of the floor lap joints are respectively positioned in the reserved grooves of the precast shear walls spliced up and down, and the floor lap joints of the two precast floor slabs positioned at the two sides of the precast shear walls are respectively inserted into the reserved grooves between the two precast shear walls spliced up and down and are connected through connecting pieces.

Optionally, the floor overlap joint of two prefabricated floor is equipped with the pre-buried board respectively in, the connecting piece be respectively with the connecting plate that the floor overlap joint of two prefabricated floor links to each other.

Optionally, grouting layers are filled between the two connected precast floor slabs and between the precast floor slabs and the precast shear wall.

According to one embodiment of the invention, a plurality of groove keys which are distributed at intervals and correspond to each other are respectively arranged on the opposite sides of two connected precast floor slabs on one side of the precast shear wall, and a grouting layer is filled between the groove keys and connecting joints of the two precast floor slabs.

According to another embodiment of the invention, the middle part of each prefabricated floor slab is provided with a plurality of filling cavities which are distributed at intervals, and extruded sheets are filled in the filling cavities.

Optionally, the filling cavity forms a constant-section accommodating cavity with one side open, or an accommodating cavity with a reduced opening.

Optionally, the filling cavity forms a containing cavity with a closed periphery.

Optionally, the filling cavities are uniformly distributed in a plurality of columns.

According to the assembled building system provided by the embodiment of the invention, by adopting the prefabricated floor slab, the dead weight of the structure can be obviously reduced, and the performance of the structure under an earthquake can be improved. Meanwhile, the lap joint is simple, the site construction is convenient, only the local part is connected with the wall beam by adopting the floor lap joint, the workload is small, and the connection performance is reliable. The floor lap joint is positioned between the upper floor and the lower floor, so that the horizontal shearing resistance of the joint of the structure is effectively ensured.

Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

Drawings

The foregoing and/or additional aspects and advantages of the invention will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is a schematic plan view of a shear wall vertical joint connection configuration of a fabricated building system according to one embodiment of the invention;

FIG. 2 is an elevation view of the structure shown in FIG. 1;

FIG. 3 is a structural elevation view of the connection assembly of the shear wall vertical joint connection configuration shown in FIG. 1;

FIG. 4 is a plan view of the structure shown in FIG. 3;

FIG. 5 is another structural elevation view of the connection assembly of the shear wall vertical joint connection configuration shown in FIG. 1;

FIG. 6 is a plan view of the structure shown in FIG. 5;

FIG. 7 is a schematic structural plan view of a shear wall vertical joint connection configuration of a fabricated building system according to yet another embodiment of the invention;

FIG. 8 is a schematic structural plan view of a shear wall vertical joint connection configuration of a fabricated building system according to another embodiment of the invention;

FIG. 9 is an elevation view of a shear wall horizontal joint connection configuration of a fabricated building system according to an embodiment of the invention;

FIG. 10 is a cross-sectional view taken along line A-A shown in FIG. 9;

FIG. 11 is a cross-sectional view taken along line B-B shown in FIG. 9;

FIG. 12 is along the line shown in FIG. 9 a cross-sectional view along line C-C;

FIG. 13 is an elevation view of a horizontal seam connection configuration of a fabricated building system according to yet another embodiment of the invention, differing from FIG. 9 primarily in that floor lap joints are connected thereto;

FIG. 14 is a cross-sectional view taken along line D-D shown in FIG. 13;

fig. 15 is an elevation view of a horizontal seam connection configuration of a fabricated building system according to another embodiment of the present invention, differing from fig. 13 primarily by the selection of another rebar connector;

FIG. 16 is a cross-sectional view taken along line E-E shown in FIG. 15;

FIG. 17 is a cross-sectional view taken along line F-F shown in FIG. 15;

fig. 18 is a schematic view of the construction of the reinforcing bar coupler shown in fig. 15;

fig. 19 is a cross-sectional view of the reinforcing bar coupler shown in fig. 18;

FIG. 20 is an elevation view of a horizontal slotted tie beam energy dissipating connection configuration of a fabricated building system according to an embodiment of the invention;

FIG. 21 is a cross-sectional view taken along the line G-G shown in FIG. 20;

fig. 22 is an assembled view of the damper, steel pre-box and anchor bar shown in fig. 20;

FIG. 23 is a schematic structural view of a prefabricated floor slab of an assembled building system according to an embodiment of the invention;

FIG. 24 is an assembled view of two of the precast floor slabs shown in FIG. 23 with precast shear walls;

FIG. 25 is a cross-sectional view taken along line H-H shown in FIG. 24;

FIG. 26 is a cross-sectional view taken along line I-I shown in FIG. 24;

FIG. 27 is an assembled view of two precast floor slabs;

FIG. 28 is a cross-sectional view taken along the line J-J shown in FIG. 27;

FIG. 29 is a schematic view of a precast floor slab structure according to one embodiment of the present invention;

FIG. 30 is a schematic view of a precast floor slab structure according to still another embodiment of the present invention;

FIG. 31 is a cross-sectional view of a precast floor slab according to one embodiment of the present invention;

FIG. 32 is a cross-sectional view of a precast floor slab according to yet another embodiment of the present invention;

fig. 33 is a cross-sectional view of a precast floor slab according to another embodiment of the present invention.

Reference numerals:

shear wall vertical seam connection structure 100,

Precast shear wall 11, first reserved recess 12, horizontal steel bar 13, bending section 131, anchor steel bar 14, pre-buried steel plate 15, first connecting component 16, connecting steel plate 161, pre-buried bolt 162, pre-buried box 163, connecting bolt 164, nut 165, stopper 166, circular bolt hole 1671, elongated bolt hole 1672, spacer 168, surface layer 17, heat preservation layer 18, caulking 19, and sealing layer,

Shear wall horizontal joint connection structure 200,

Precast shear wall 21, second reserved recess 22, vertical steel bars 23, connecting plate 24, nut 25, steel bar connector 26, locking piece 261,

Energy consumption connecting structure 300 of horizontal slit connecting beam,

The first connecting beam 311, the connecting beam longitudinal ribs 3111, the first precast shear wall 312, the second connecting beam 321, the anchoring steel bars 3211, the second precast shear wall 322, the first slit 331, the second slit 332, the flexible material 34, the steel reserved box 35, the damper 36, the steel tube 361, the lead core 362, the,

Precast floor slabs 400, groove keys 401, filling cavities 402, grouting layers 403, floor lap joints 41, embedded plates 411, connecting plates 42 and extruded plates 43.

Detailed Description

Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the invention.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element in question must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.

The country is currently pushing the fabricated building, which promotes the rapid development of the fabricated building in China in scientific research and engineering practice, and a series of achievements are obtained. The house is the key research direction of the assembled building due to single function, high repeatability and large engineering quantity, and the assembled shear wall structure is researched and applied most.

At present, in the actual design and construction process of an assembled shear wall structure, a commonly adopted method is wall factory prefabrication and node field connection. The vertical joints of the wall limbs are connected in a cast-in-situ way. The horizontal joint connecting joints of the wall limbs are grouting sleeve connection and slurry anchor connection. The joint of the wall body and the floor slab adopts a cast-in-situ ring beam, and the floor slab adopts a superimposed sheet. For the outer wall with the window, the prior prefabricated components are reserved by holes, and the upper and lower connecting beams of the hole are prefabricated together with the wall body, and are connected at the floor after reaching the site.

Therefore, the existing fabricated shear wall technology can ensure the structural integrity and the earthquake resistance, but in the field connection, a large amount of field workload such as scaffold construction, binding of reinforcing steel bars at joints, formwork support, concrete pouring and maintenance, external wall heat preservation, wall surface and the like is still required to be built, so that the construction speed of the fabricated building is seriously reduced, and compared with the traditional full cast-in-place building, the fabricated building has the advantages of high construction speed, less field work, less construction wastes and the like, and the overall cost is not necessarily advantageous, so that the development of the fabricated building is seriously limited.

The grouting sleeve connection in the related art is more reliable in performance, more in current application, but in order to ensure site installation in place, accurate positioning of the connecting steel bars and the sleeve is required to be ensured when the grouting sleeve is prefabricated in a factory, meanwhile, the problem that the positions of the connecting steel bars and the sleeve are not opposite due to collision of the connecting steel bars is easily caused in the transportation and hoisting processes, construction is difficult, the grouting sleeve connection is not easy to correct in site, and even the installation can be completed by cutting off the steel bars, so that potential safety hazards are left. The slurry anchor connection is unreliable in connection performance, and the structure is possibly damaged in the prefabrication process, so that the slurry anchor connection is applied to practical engineering in a small amount.

In addition, the cast-in-situ ring beam and the composite floor slab in the related art are required to be subjected to site binding of reinforcing steel bars and concrete pouring, the site workload is large, and the composite floor slab is required to be a certain thickness due to the characteristics of the composite floor slab, so that the floor slab is thicker, the structure is heavy in weight, and the performance of the structure is influenced. For the outer wall with the window, the width of the window side wall limb is equivalent to the height of the lower connecting beam of the window, even the width of the window side wall limb is smaller than the height of the lower connecting beam of the window, and the strong wall limb weak connecting beam required by standardization is difficult to ensure at the moment, and the wall limb is likely to be damaged before the connecting beam, so that more serious damage is caused, and the structural safety is endangered.

Aiming at the problems, the invention provides an assembled building system which is reliable and efficient in connection, adopts full-dry type quick connection, improves the construction efficiency, reduces the structure cost and effectively improves the advantages of an assembled building.

A fabricated building system according to an embodiment of the invention is described below with reference to fig. 1-33.

As shown in fig. 1-33, a fabricated building system according to an embodiment of the present invention includes: shear wall vertical joint connection construction 100, shear wall horizontal joint connection construction 200, horizontal slotted tie beam energy consuming connection construction 300, and a plurality of precast floor slabs 400.

The shear wall vertical joint connection structure 100 comprises at least two horizontally spliced precast shear walls 11, wherein a first reserved concave part 12 with one open side is arranged at the vertical joint of the two horizontally spliced precast shear walls 11 and is quickly connected through a first connecting assembly 16.

The shear wall horizontal joint connection structure 200 comprises at least two prefabricated shear walls 21 which are spliced up and down, wherein a second reserved concave part 22 with one open side is arranged at the horizontal joint of the two prefabricated shear walls 21 which are spliced up and down and is quickly connected through a second connecting component.

The horizontal split connecting beam energy consumption connecting structure 300 comprises a connecting beam and two prefabricated shear walls which are arranged at intervals along the horizontal direction, wherein two ends of the connecting beam are respectively connected with the two prefabricated shear walls. At least a portion of the precast floor slabs 400 are spliced between two precast shear walls 21 spliced one above the other.

During assembly, at least two prefabricated shear walls 11 needing to be horizontally spliced can be quickly connected through the first connecting component 16, at least two prefabricated shear walls 21 needing to be vertically spliced are quickly connected through the second connecting component, the prefabricated floor slab 400 is inserted between the two prefabricated shear walls 21 which are vertically spliced, and the assembly is simple in operation and convenient.

It should be noted that, the prefabricated shear wall 11 to be horizontally spliced and the prefabricated shear wall 21 to be vertically spliced may be the same prefabricated shear wall, that is, the prefabricated shear wall may be horizontally spliced with one prefabricated shear wall or vertically spliced with another prefabricated shear wall.

According to the fabricated building system provided by the embodiment of the invention, the shear wall vertical joint connection structure 100, the shear wall horizontal joint connection structure 200, the horizontal slotted beam energy consumption connection structure 300 and the prefabricated floor slab 400 are adopted for assembly, and the connection process is dry operation, so that a scaffold is not required to be built, the on-site construction process is greatly simplified, the rapid assembly of the fabricated building system can be realized, the operation is simple, the construction speed is effectively improved while the overall performance of the fabricated shear wall structure is ensured, the cost is reduced, and the advantages of the fabricated building are embodied.

Some specific embodiments of fabricated building systems according to embodiments of the present invention are described below in conjunction with fig. 1-33.

According to one embodiment of the invention, the side of the prefabricated shear wall 11 (21) facing outdoors (the side indicated by the arrow in fig. 1) can be provided with an insulation layer 18 and a surface layer 17 in sequence, and the joint of the two spliced prefabricated shear walls 11 (21) is provided with a joint filling 19. Prefabricating the shear wall 11 (21), the outer side heat preservation layer 18 and the surface layer 17 in a factory, directly assembling on site, and remarkably reducing the on-site workload without building a scaffold.

As shown in fig. 1-8, a shear wall vertical joint connection 100 of a fabricated building system according to an embodiment of the invention comprises at least two spliced prefabricated shear walls 11.

In some examples, two horizontally spliced precast shear walls 11 are each provided with a pre-buried component. The first connecting component 16 is arranged in the first reserved concave part 12, embedded components in the two horizontally spliced prefabricated shear walls 11 are quickly connected through the first connecting component 16, and then high-strength grouting materials are filled in the connecting gaps of the two prefabricated shear walls 11, so that the overall performance of the structure is guaranteed.

Therefore, the first connecting assembly 16 is connected with the embedded assemblies of the two prefabricated shear walls 11, so that the quick connection of the two prefabricated shear walls 11 can be realized, the operation is simple, the stress performance of the shear wall vertical joint connection structure 100 is ensured, the construction speed of an assembled building is effectively improved, the construction cost is reduced, the advantages of the assembled building are fully embodied, and the popularization and the application of the assembled building are facilitated.

It will be appreciated that the first preformed groove 12 may comprise one, or may be formed as desired, a plurality of the prefabricated shear walls 11 are arranged at intervals in the height direction (up-down direction as shown in fig. 2). If the first preliminary concave portion 12 includes a plurality of first preliminary concave portions 12, the plurality of first preliminary concave portions 12 are arranged at intervals along the length direction of the connecting joint of the two preliminary shear walls 11 (the up-down direction of the preliminary shear walls 11 as shown in fig. 2).

The width of each reserved recess 12 is not less than 100mm, the height can be determined according to calculation, and the depth is half the wall thickness of the prefabricated shear wall 11. The sidewall surface of the first preliminary concave portion 12 may be provided as a slope having a certain gradient for facilitating the subsequent connection construction.

As shown in fig. 3-6, in some examples, the embedment assembly includes horizontal rebar 13, anchor rebar 14, and embedment steel 15. The horizontal reinforcing bars 13 and the anchor reinforcing bars 14 extend in the horizontal direction (i.e., the longitudinal direction of the prefabricated shear wall 11, left and right directions as shown in fig. 1), respectively. At least a portion of the horizontal rebars 13 and the anchor rebars 14 are spaced apart in the thickness direction of the precast shear wall 11. One end of the horizontal reinforcing steel bar 13 adjacent to the vertical joint is bent toward the first reserved recess 12 along the thickness direction of the prefabricated shear wall 11 to form a bent section 131.

The pre-buried steel plates 15 are disposed at positions of each prefabricated shear wall 11 adjacent to the first reserved recess 12, and the pre-buried steel plates 15 are connected with the anchor bars 14 and the bending sections 131, for example, one ends of the bending sections 131 and the anchor bars 14 are welded with the pre-buried steel plates 15, respectively. The embedded steel plates 15 of the two prefabricated shear walls 11 can be quickly connected through the first connecting assembly 16.

Therefore, by arranging the embedded steel plate 15 at the bottom of the first reserved concave part 12, the embedded steel plate 15 is anchored in the concrete of the precast shear wall 11 through the anchor steel bars 14, and the horizontal steel bars 13 in the precast shear wall 11 are bent to form the bending section 131, so that the embedded steel plate 15 is welded conveniently.

In some examples, the embedded component in the area where each first reserved recess 12 is located includes a plurality of horizontal steel bars 13 and a plurality of anchor steel bars 14, the plurality of horizontal steel bars 13 are arranged at intervals along the height direction of the prefabricated shear wall 11, and the plurality of anchor steel bars 14 are arranged at intervals along the height direction of the prefabricated shear wall 11, so that the connection reliability of the first connection component 16 and the embedded component is ensured, and the connection reliability of the two horizontally spliced prefabricated shear walls 11 is ensured.

As shown in fig. 1 and 2, two spliced prefabricated shear walls 11 are arranged in a straight line according to one embodiment of the invention.

In some examples, the first connection assembly 16 includes: the steel plate 161 and the plurality of connectors are connected. The connection steel plate 161 covers the bottom of the first preliminary concave portion 12. The plurality of connection members extend in the thickness direction of the prefabricated shear walls 11 and one end is inserted into the two prefabricated shear walls 11 to be welded with the embedded steel plates 15 and the other end is connected with the connection steel plates 161, thereby realizing the assembly of the two prefabricated shear walls 11.

As shown in fig. 3 and 4, in some alternative examples, the connector forms a pre-buried bolt 162 that is pre-buried at one end within the precast shear wall 11 and welded to the side of the pre-buried steel panel 15 facing away from the connector steel panel 161. The other end of the embedded bolt 162 passes through the connecting steel plate 161 and is connected with the nut 165, and a gasket 168 is arranged between the connecting steel plate 161 and the nut 165. Further, the embedded bolts 162 are welded with the embedded steel plates 15, and the connection is convenient.

The embedded steel plate 15 and the connecting steel plate 161 are respectively provided with a plurality of round bolt holes 1671 corresponding to each other in a one-to-one mode. Wherein, the number of the round bolt holes 1671 on each embedded steel plate 15 is not less than 1 in the horizontal direction and not less than 2 in the vertical direction, thereby effectively transmitting bending moment and shearing force.

In alternative examples, as shown in fig. 5 and 6, a plurality of elongated bolt holes 1672 are provided in the connecting steel plate 161 and the pre-buried steel plate 15, respectively, in a one-to-one correspondence. A hollow embedded box 163 is welded on the side of the embedded steel plate 15 facing away from the connecting steel plate 161 to prevent concrete from entering. The dimension of the embedded box 163 in the thickness direction of the prefabricated shear wall 11 is slightly larger than the dimension of the long bolt hole 1672, and the embedded box is arranged adjacent to the end part of the wall body at the outer edge in the length direction of the prefabricated shear wall 11.

Further, the connection members form connection bolts 164 which are fast connected with the pre-buried steel plates 15. One end of the connecting bolt 164 extends into the embedded box 163 and is clamped with the embedded steel plate 15, the other end of the connecting bolt 164 penetrates through the connecting steel plate 161 and is connected with the nut 165, and a gasket 168 is arranged between the connecting steel plate 161 and the nut 165.

In a further example according to the present invention, the cross-sectional shape of the head portion of the connection bolt 164 protruding into the pre-buried box 163 is formed in a long bar shape corresponding to the shape of the long bolt hole 1672, and the cross-sectional shape of the screw of the connection bolt 164 is formed in a circular shape. At least two limiting blocks 166 are arranged on one side, facing the embedded box 163, of the embedded steel plate 15, and the at least two limiting blocks 166 are located on two sides of the long bolt hole 1672. When the connecting bolt 164 is connected, the connecting bolt 164 is rotated in place, and the two limiting blocks 166 can play a limiting role, so that the connecting bolt 164 can be screwed down, the connecting steel plate 161 can be conveniently installed, and the influence on installation due to construction errors is avoided.

Optionally, the connecting bolt 164 and the embedded bolt 162 are friction type high strength bolts, the outer side of the embedded steel plate 15 and the surfaces of two sides of the connecting steel plate 161 are required to be subjected to sand blasting or shot blasting treatment in factories, impurities such as rust, greasy dirt and the like on the surfaces are removed, necessary protection measures are taken, and the protection measures are removed when the high strength bolts are installed on site.

In some examples, at least one connecting piece is disposed on each pre-buried steel plate 15 in the length direction of the prefabricated shear wall 11, and at least two connecting pieces are disposed in the height direction of the prefabricated shear wall 11, so as to ensure connection reliability of the pre-buried assembly and the first connecting assembly 16.

As shown in fig. 7, according to still another embodiment of the present invention, the shear wall vertical joint connection structure 100 includes at least two prefabricated shear walls 11 that are horizontally spliced, wherein two prefabricated shear walls 11 arranged in a straight line are connected to a third prefabricated shear wall 11. The anchor reinforcing steel bars 14 in each prefabricated shear wall 11 are bent twice in the thickness direction of the prefabricated shear wall 11, thereby ensuring the structural strength of the prefabricated shear wall 11.

Further, the three prefabricated shear walls 11 are arranged in a substantially "T" shape. The cross-sectional shape of the connection steel plate 161 forms a T shape and each support plate of the connection steel plate 161 is detachably connected with the pre-buried steel plate 15 of the prefabricated shear wall 11 at a corresponding position, respectively. Therefore, the three prefabricated shear walls 11 are assembled together, the connection is reliable and efficient, and the operation is simple.

As shown in fig. 8, according to another embodiment of the present invention, two spliced prefabricated shear walls 11 are arranged in an "L" shape, and the cross-sectional shape of the connecting steel plates 161 is formed in a substantially "L" shape. The two support plates of the connecting steel plates 161 are respectively and quickly connected with the embedded steel plates 15 of the two prefabricated shear walls 11.

Therefore, the shear wall vertical joint connection structure 100 according to the embodiment of the invention can be used for external walls and internal walls (without the heat insulation layer 18 and the surface layer 17), and after the bolts are installed, the connection of two or more prefabricated shear walls 11 is completed, so that the requirement of stress is met. The assembled structure can continue to hoist the upper prefabricated component, and the first reserved concave part 12 is closed by adopting fine stone concrete by applying a special template on the premise of not influencing the hoisting of the upper component.

As shown in fig. 9-19, a shear wall horizontal joint connection configuration 200 of a fabricated building system according to an embodiment of the invention includes: at least two prefabricated shear walls 21 are spliced up and down.

The horizontal joint of the two prefabricated shear walls 21 spliced up and down is provided with a second reserved concave part 22 with one open side. In the two prefabricated shear walls 21 which are spliced up and down, a plurality of vertical steel bars 23 extending in the up-down direction, for example, four, are arranged in each prefabricated shear wall 21. The vertical steel bars 23 of the two prefabricated shear walls 21 respectively extend into the second reserved concave parts 22 and can be connected quickly. For example, the two vertical steel bars 23 can be connected by bolts and nuts, welding is not needed on site, quick connection between the prefabricated shear walls 21 is achieved, operation is simple, the heat preservation layer 18 of the prefabricated shear walls 21 cannot be affected, the construction efficiency of an assembled building system is remarkably improved, and the advantages of an assembled building are fully exerted.

It will be appreciated that if the prefabricated shear wall needs to be horizontally spliced with one prefabricated shear wall and also needs to be vertically spliced with another prefabricated shear wall, the prefabricated shear wall is internally provided with both a pre-buried component (a horizontal reinforcing steel bar 13, an anchor reinforcing steel bar 14 and a pre-buried steel plate 15) for horizontal splicing and a vertical reinforcing steel bar 23 for vertical splicing.

As shown in fig. 9 to 14, according to an embodiment of the present invention, a connection plate 24 is provided in the second pre-reserved recess 22, and ends of vertical rebars 23 of two prefabricated shear walls 21 spliced up and down respectively pass through the connection plate 24 in opposite directions and are connected with nuts 25. Specifically, nuts 25 can be arranged on one side or two sides of the vertical steel bars 23, which are positioned on the connecting plate 24, according to actual needs. Alternatively, the cross-sectional shape of the web 24 generally forms a Z-shape.

When the two vertical steel bars 23 are connected, the Z-shaped connecting plate 24 is installed on the upper vertical steel bar 23 in a factory, a single-side nut 25 is arranged at the lower end of the upper vertical steel bar 23, and the Z-shaped connecting plate 24 can move up and down along the length direction of the upper vertical steel bar 23. When the lower vertical steel bar 23 is installed on site, the Z-shaped connecting plate 24 is moved upwards, then the lower vertical steel bar 23 passes through the second reserved concave part 22, the Z-shaped connecting plate 24 is moved downwards, the nut 25 of the lower vertical steel bar 23 is installed, and then the lower vertical steel bar 23 and the nut 25 are screwed.

Because the lower vertical steel bar 23 is longer, and the thickness of the connecting plate 24 is smaller, the lower vertical steel bar 23 can easily pass through the Z-shaped connecting plate 24 after being deflected by a small angle, thereby obviously reducing the requirement on the positioning precision of the vertical steel bar 23 and ensuring the reliable connection of the vertical steel bars 23 of the upper wall body and the lower wall body. Since the single-side nuts 25 are used for connection, the vertical steel bars 23 on both sides can only be pulled and not pressed, so that the compression performance of the connection node needs to be ensured by grouting or fine stone concrete filled in the second reserved concave part 22.

Optionally, the connection plate 24 is a steel plate, and the tensile property of the steel is good, the compression property of the grouting material or fine stone concrete is good, and the characteristics of the two materials are fully utilized by the connection node, so that the stress property of the structure is ensured.

As shown in fig. 15 to 17, according to still another embodiment of the present invention, a reinforcing bar coupler 26 is provided in the second pre-reserved recess 22, and ends of vertical reinforcing bars 23 of two prefabricated shear walls 21 spliced up and down are connected by the reinforcing bar coupler 26. Alternatively, rebar connectors 26 are basket connectors.

In some examples, as shown in fig. 18 and 19, the ends of two vertical rebars 23 extend into the rebar connector 26, respectively, and the rebar length of each vertical rebar 23 extending into and out of the rebar connector 26 is connected to a nut 25. The steel bar connector 26 is provided with the locking piece 261, the vertical steel bar 23 stretches into the steel bar connector 26 and is locked through the locking piece 261 after being connected with the nut 25, and after the connection of the vertical steel bar 23 is completed, the locking piece 261 can be taken down and reused, so that the connection cost is remarkably reduced.

When the steel bar connector 26 is connected with the upper vertical steel bar 23 in a factory, the upper nut 25 is released after the steel bar connector 26 reaches a construction site, so that the steel bar connector 26 can move up and down, and the lower vertical steel bar 23 is connected with the steel bar connector 26. Because the connecting hole on the steel bar connector 26 is larger than the vertical steel bar 23 in size and smaller in thickness, the vertical steel bar 23 can be allowed to have certain position deviation, and the connection of the vertical steel bar 23 is facilitated.

In order to ensure that the two vertical steel bars 23 can bear tension and compression at the same time, nuts 25 are arranged inside and outside the connection between the vertical steel bars 23 and the steel bar connectors 26. After the internal nut 25 of the reinforcing bar coupler 26 is in place, a locking member 261 is installed between the reinforcing bar coupler 26 and the internal nut 25, the nut 25 and the reinforcing bar coupler 26 are integrated, the internal nut 25 is screwed by rotating the reinforcing bar coupler 26, then the locking member 261 is removed, the reinforcing bar coupler 26 is twisted to a position not protruding from the wall surface, and then the external nut 25 is screwed, thereby completing the connection of the two vertical reinforcing bars 23.

Here, since the vertical bar 23 is connected to the nut 25, the bar end is threaded in a factory to a sufficient length. The strength of the steel bar at the processing part is higher than that of the unprocessed part due to the processing of the thread, thereby ensuring that the connection has no weak links.

According to one embodiment of the invention, the horizontal joints of two prefabricated shear walls 21 which are spliced up and down are arranged in an up-down direction in a staggered manner with respect to the connection points of two vertical steel bars 23.

In order to connect with the precast floor slabs 400, connecting holes are reserved at the upper and lower corresponding positions of the two precast shear walls 21, so that the precast floor slabs 400 can be embedded into the precast shear walls 21. And the joints of the precast floor slabs 400 and the precast shear walls 21 and the joints between the two precast shear walls 21 are not at the same elevation, thereby ensuring horizontal shear performance of the structure, as will be described in detail in the section of precast floor panels 400 below.

Therefore, the shear wall horizontal joint connection structure 200 is convenient to construct, improves the construction procedure of the fabricated building, and can effectively ensure the performance of the connection nodes so as to further ensure the overall performance of the fabricated building system.

According to the fabricated building system provided by the embodiment of the invention, by adopting the shear wall horizontal joint connection structure 200, the prefabricated shear wall outer insulation layer 18 and the surface layer 17 corresponding to the nodes are prefabricated in factories along with the wall, and the on-site connection nodes are connected by screw threads, so that a scaffold is not required to be built for dry operation, the on-site construction process is greatly simplified, convenience and rapidness are realized, and the construction speed of the prefabricated shear wall structure is remarkably improved on the basis of ensuring the connection performance of the nodes.

As shown in fig. 20 to 22, the horizontal split joint beam energy consumption connection structure 300 of the fabricated building system according to the embodiment of the present invention includes a first joint beam 311, two first prefabricated shear walls 312 spaced apart in a horizontal direction, a second joint beam 321, and two second prefabricated shear walls 322 spaced apart in a horizontal direction.

Both ends of the first connecting beam 311 are respectively connected with the upper ends of two first prefabricated shear walls 312. Two ends of the second connecting beam 321 are respectively connected with the lower ends of two second prefabricated shear walls 322, and the lower surface of the second connecting beam 321 is connected with the upper surface of the first connecting beam 311. Wherein, each connecting beam can be provided with a plurality of thin slits with the width not smaller than 20mm in the height range, so that the connecting beams form short connecting beams with the height of about 400 mm. The concrete slotting can be divided into inter-floor slotting and floor slotting according to different slotting positions.

In some examples, the connection seam of the first connecting beam 311 and the second connecting beam 321 forms a first slit 331, and the flexible material 34 is disposed in the first slit 331.

In some examples, at least two connecting beam longitudinal ribs 3111 are disposed in the first connecting beam 311 at intervals and extend along the horizontal direction respectively, a steel reserved box 35 welded with the at least two connecting beam longitudinal ribs 3111 is disposed in a first slit between the first connecting beam 311 and the second connecting beam 321, and dampers 36 distributed across the first slit 331 are disposed in the steel reserved box 35.

That is, the first slit 331 may be formed as a slit at a floor by combining factory prefabrication with site operation. Wherein, the damper 36 is connected with the upper connecting beam in the factory, the steel reserving box 35 is arranged at the top of the lower connecting beam, and the installation position of the damper 36 is reserved. Before the upper prefabricated wall body is hoisted, flexible material pieces 34 such as extruded sheets and the like are stuck to the bottom of the upper wall body continuous beam, and the sticking range is the whole continuous beam bottom. After the whole wall is in place, the damper 36 is also in place, the upper layer wall is not connected in the connecting beam range, and the non-connecting beam is divided into inner grouting material for grouting. The gap between the damper 36 and the steel reserved box 35 is filled with glue or grouting material, so that the damper 36 and the lower connecting beam are integrated.

According to a further embodiment of the invention, a second slit 332 extending in the horizontal direction is provided in the middle of at least one of the first connecting beam 311 and the second connecting beam 321, and the second slit 332 is filled with the flexible material 34. Optionally, the flexible material 34 is an extruded sheet.

That is, the second slit 332 is an inter-floor slit, and may be prefabricated in a factory. Specifically, according to practical situations, the connecting beam is provided with at least one horizontal slit between floors, and soft materials such as extruded sheets 43 and the like are filled in the slits. To ensure the shear resistance of the tie-beam ends, the horizontal boundary of the second slit 332 is spaced from the limb by a distance of not less than 200mm.

In some examples, at least two anchor bars 3211 which are arranged at intervals and extend along the vertical direction are arranged in the connecting beams provided with the second slits 332 in the first connecting beam 311 and the second connecting beam 321, and dampers 36 which extend along the vertical direction and are distributed across the second slits 332 are arranged in the area surrounded by the at least two anchor bars 3211, so that reliable connection between the dampers 36 and the concrete is ensured.

Optionally, the damper 36 includes: the steel pipe 361 and the lead 362 filled in the steel pipe 361 extend in the vertical direction and are welded to the anchor bar 3211. Because the upper and lower continuous beams of the slit can form obvious horizontal dislocation under the action of horizontal force, the damper 36 is arranged at the middle position of the continuous beams, the horizontal deformation energy consumption between the continuous beams is fully utilized, the damage of the structure under the earthquake is reduced, and the performance of the structure under the earthquake is improved.

In some examples, the connection seams of the first connecting beam 311 and the second connecting beam 321 are staggered from the second slit 332 in the up-down direction.

Because the tie beams are slit, each portion works as an individual beam, and therefore each portion tie Liang Xu is individually reinforced as a beam. And the rigidity of the connecting beam is greatly reduced, so that the strong wall limb weak connecting beam is easy to realize, the ductility of the structure is enhanced, the energy consumption capability of the structure is improved, and the performance of the structure under earthquake is ensured.

According to the assembled building system provided by the embodiment of the invention, the 'strong wall limb weak connecting beam' can be better realized by adopting the horizontal slotted connecting beam energy consumption connecting structure 300, the horizontal dislocation of the slotted upper connecting beam and the slotted lower connecting beam is fully utilized, the energy consumption capability of the structure is improved, the damage of the structure under an earthquake is reduced, and the stress performance of the structure is ensured.

As shown in fig. 23-33, the fabricated building system according to an embodiment of the present invention further comprises a plurality of prefabricated floors 400. Wherein the precast floor plank 400 has a plurality of spaced apart floor deck joints 41, the floor deck joints 41 facilitate connection to surrounding precast shear walls 21.

The prefabricated shear wall 21 spliced up and down is provided with a reserved groove at the position of the floor lap joint 41, the top surface and the bottom surface of the floor lap joint 41 are respectively positioned in the reserved groove of the prefabricated shear wall 21 spliced up and down, and the floor lap joints 41 of the two prefabricated floor slabs 400 positioned at two sides of the prefabricated shear wall 21 are respectively inserted into the reserved groove between the two prefabricated shear walls 21 spliced up and down and are connected through connecting pieces.

The precast floor slab 400 needs to be matched with the precast shear wall 21 for use, and the horizontal joints of the precast shear wall 21 spliced up and down are in the height range of the precast floor slab 400, so that the horizontal shearing resistance of the structure after the precast floor slab 400 is connected with the precast shear wall 21 is ensured. In some examples, the floor lap joints 41 of two precast floor slabs 400 located on both sides of the precast shear wall 21 are inserted between two precast shear walls 21 spliced one above the other and connected by a connecting member, respectively.

Optionally, the floor overlap joints 41 of the two prefabricated floor slabs 400 are respectively provided with an embedded plate 411, and the connecting pieces form connecting plates 42 respectively connected with the embedded plates 411 of the floor overlap joints 41 of the two prefabricated floor slabs 400.

Grooves are reserved at the upper and lower positions of the precast floor slabs 400 corresponding to the precast shear walls 21, the total depth of the upper and lower grooves is (the thickness of the precast floor slabs 400 is +20mm), namely, 20mm joints are guaranteed between the precast floor slabs 400 and the precast shear walls 21, the joints of the precast shear walls 21 which are spliced up and down are kept at the same time, grouting materials are filled in the joints, and the stress performance of the joints is guaranteed. If the prefabricated shear wall 21 is an outer wall, the inner half wall is internally provided with a groove in the thick width, and if the prefabricated shear wall 21 is an inner wall, the wall is provided with a groove in the full thickness range, and the prefabricated floor slabs 400 on two sides are lapped at the groove.

The dimension of the floor overlap joint 41 of the precast floor slab 400 penetrating into the wall is (half wall thickness is-10 mm), and the precast floor slabs 400 on two sides of the precast shear wall 21 are connected by arranging an embedded plate 411 at the floor overlap joint 41 of the precast floor slab 400 in the factory prefabrication process and welding the embedded plate with the connecting plate 42 on site, so that the connection of the precast floor slab 400 is realized. The connection of the precast floor slabs 400 and the precast shear walls 21 is only at the slab overlap joint 41, and the slab edges of the precast floor slabs 400 are hinged. The dimension of the floor lap joint 41 along the length of the wall is determined by the vertical shear load capacity of the precast floor panels 400.

Further, a grouting layer 403 is filled between the two connected precast floor slabs 400 and between the precast floor slabs 400 and the precast shear wall 21.

In some examples, if multiple precast slabs 400 are needed to overlap in the same span, multiple groove keys 401 distributed at intervals and corresponding to each other are respectively arranged on opposite sides of two connected precast slabs 400 on one side of the precast shear wall 21, the size of each groove key 401 in the non-stressed direction is 20mm, and a grouting layer 403 is filled between each groove key 401 and a connecting seam of two precast slabs 400.

As shown in fig. 29-33, the middle part of each precast floor slab 400 is provided with a plurality of filling cavities 402 which are distributed at intervals, and the filling cavities 402 are uniformly distributed in a plurality of columns. The filling cavity 402 is filled with the extruded sheet 43.

In some alternative examples, the filling cavity 402 forms a constant-section receiving cavity that is open on one side. In yet other alternative examples of the present invention, the filling cavity 402 forms a receiving cavity that is open on one side and that is necked open. In yet other alternative examples, the filling cavity 402 forms a four-sided closed containment cavity.

The floor slab is partially filled with light materials, so that the self weight of the structure can be reduced by fully utilizing the materials. Specifically, according to actual needs, the filling mode with the same full span as shown in fig. 29, that is, the filling cavities 402 on the floor slab are uniformly distributed in multiple columns, or the filling mode with the middle local reinforcement as shown in fig. 30, that is, at least one part of the filling cavities 402 on the floor slab are uniformly distributed in multiple columns, and the other part is distributed in one column and the filling cavities 402 of two parts are staggered.

Therefore, by adopting the prefabricated floor slab 400, the on-site full-dry construction can be realized, the on-site construction efficiency is greatly improved, the thickness of the floor slab is obviously reduced, the dead weight of the structure is reduced, and the structure economy is improved.

According to the assembled building system provided by the embodiment of the invention, the construction mode of combining the dry construction and the wet construction in the field in the related technology is changed into the field full-dry construction, so that the field workload is obviously reduced, the construction efficacy of the assembled building reminding is improved, and the rapid development of the assembled building is facilitated. In addition, as the full-dry connection is adopted, the structural members are prefabricated in factories, high-strength concrete can be adopted, the stress performance of the structural members is further improved, the joint positions can be filled with high-strength grouting materials, the strength of the joint positions is ensured not to be lower than that of the members, the structural performance is obviously improved, the material consumption is reduced, and the economical efficiency of the fabricated building can be obviously improved.

In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A fabricated building system, comprising:

the shear wall vertical joint connection structure comprises at least two horizontally spliced precast shear walls, wherein a first reserved concave part with one open side is arranged at the vertical joint of the two horizontally spliced precast shear walls and is quickly connected through a first connecting assembly;

the shear wall horizontal joint connection structure comprises at least two prefabricated shear walls which are spliced up and down, wherein a second reserved concave part with one open side is arranged at the horizontal joint of the two prefabricated shear walls which are spliced up and down and is connected quickly through a second connecting component;

the horizontal split connecting beam energy consumption connecting structure comprises a connecting beam and two prefabricated shear walls which are arranged at intervals along the horizontal direction, and two ends of the connecting beam are respectively connected with the two prefabricated shear walls;

The prefabricated floor slabs are spliced between the two prefabricated shear walls which are spliced up and down;

the horizontal slotting continuous beam energy consumption connection structure comprises:

the two ends of the first connecting beam are respectively connected with the upper ends of the two first precast shear walls;

the two ends of the second connecting beam are respectively connected with the lower ends of the two second precast shear walls, the lower surface of the second connecting beam is connected with the upper surface of the first connecting beam, wherein a first slit is formed by the connecting seam of the first connecting beam and the second connecting beam, and a flexible material piece is arranged in the first slit.

2. The fabricated building system according to claim 1, wherein embedded components are respectively arranged in the two horizontally spliced prefabricated shear walls, the first connecting component is arranged in the first reserved concave part, and the embedded components in the two horizontally spliced prefabricated shear walls are quickly connected through the first connecting component.

3. The fabricated building system of claim 2, wherein the first preformed recess comprises a plurality of spaced apart along a height of the prefabricated shear wall.

4. The fabricated building system of claim 2, wherein the pre-buried component comprises:

the horizontal steel bars and the anchoring steel bars extend along the horizontal direction respectively, at least one part of the horizontal steel bars and the anchoring steel bars are distributed at intervals in the thickness direction of the prefabricated shear wall, and one end, adjacent to the vertical joint, of the horizontal steel bars is bent towards the first reserved concave part along the thickness direction of the prefabricated shear wall to form a bending section;

the embedded steel plates are arranged at the positions, adjacent to the first reserved concave parts, of each prefabricated shear wall and are welded with the bending sections of the anchoring steel bars and the horizontal steel bars.

5. The fabricated building system of claim 4, wherein the anchor rebar is bent twice in the thickness direction of the precast shear wall.

6. The fabricated building system according to claim 4, wherein the first connection assembly comprises:

the connecting steel plate covers the bottom of the first reserved concave part;

the connecting pieces extend along the thickness direction of the prefabricated shear wall, one end of each connecting piece is inserted into the prefabricated shear wall and connected with the embedded steel plate, and the other end of each connecting piece is connected with the connecting steel plate.

7. The fabricated building system according to claim 6, wherein the connecting member forms an embedded bolt with one end embedded in the prefabricated shear wall and welded to a side of the embedded steel plate facing away from the connecting steel plate, and the other end of the embedded bolt passes through the connecting steel plate and is connected with a nut.

8. The fabricated building system according to claim 6, wherein a pre-buried box is arranged on the side of the pre-buried steel plate facing away from the connecting steel plate,

the connecting piece form with but the connecting bolt of pre-buried steel sheet lug connection, connecting bolt's one end stretches into in the pre-buried box and with pre-buried steel sheet joint, connecting bolt's the other end passes connecting steel sheet and be connected with the nut.

9. The fabricated building system according to claim 8, wherein the cross-sectional shape of the head portion of the connecting bolt extending into the pre-buried box is formed in a long strip shape,

at least two limiting blocks are arranged on one side, facing the embedded box, of the embedded steel plate, and the at least two limiting blocks are located on two sides of the head of the connecting bolt.

10. The fabricated building system according to claim 9, wherein the connecting steel plate and the embedded steel plate are respectively provided with an elongated bolt hole corresponding to the shape of the head of the connecting bolt.

11. The fabricated building system according to any one of claims 7 to 10, wherein at least one of the connectors is provided on each of the pre-buried steel plates in a length direction of the prefabricated shear wall, and at least two of the connectors are provided in a height direction of the prefabricated shear wall.

12. The fabricated building system of claim 2, wherein the two horizontally spliced precast shear walls are arranged in a line.

13. The fabricated building system according to claim 6, wherein the shear wall vertical joint connection structure comprises at least three prefabricated shear walls which are horizontally spliced, wherein two prefabricated shear walls which are arranged in a straight line are connected and then connected with a third prefabricated shear wall, the three prefabricated shear walls are arranged in a T shape,

the cross section shape of the connecting steel plate forms a T shape, and each support plate of the connecting steel plate is respectively connected with the embedded steel plate of the prefabricated shear wall at the corresponding position.

14. The fabricated building system of claim 6, wherein the two horizontally spliced precast shear walls are arranged in an "L" shape, and the cross-sectional shape of the connecting steel plates forms an "L" shape.

15. The fabricated building system according to claim 1, wherein in the two prefabricated shear walls which are spliced up and down, each prefabricated shear wall is internally provided with a vertical reinforcing steel bar extending along the up-down direction,

the vertical steel bars of the two prefabricated shear walls respectively extend into the second reserved concave parts and can be connected quickly.

16. The fabricated building system according to claim 15, wherein a connecting plate is disposed in the second reserved recess, and ends of vertical steel bars of the two prefabricated shear walls which are spliced up and down respectively pass through the connecting plate in opposite directions and are connected with nuts.

17. The fabricated building system of claim 16, wherein the cross-sectional shape of the web forms a Z-shape.

18. The fabricated building system of claim 15, wherein a rebar connector is disposed in the second pre-reserved recess, and ends of vertical rebars of the two pre-fabricated shear walls that are spliced up and down are connected by the rebar connector.

19. The modular building system according to claim 18, wherein the ends of two of the vertical rebars extend into the rebar connector and the rebar length of each of the vertical rebars extending into and out of the rebar connector is connected to a nut.

20. The modular building system according to claim 19, wherein the rebar connector is provided with a removable retaining member, the vertical steel bars extend into the steel bar connectors and are locked through the locking pieces after being connected with the nuts.

21. The fabricated building system of any one of claims 15-20, wherein the horizontal joints of the two pre-fabricated shear walls that are spliced one above the other are arranged offset from the connecting nodes of the two vertical rebars in the up-down direction.

22. The fabricated building system of claim 1, wherein a middle portion of at least one of the first and second connecting beams is provided with a second slit extending in a horizontal direction, and the second slit is filled with a flexible material.

23. The fabricated building system of claim 22, wherein the flexible material is extruded sheet.

24. The fabricated building system according to claim 1, wherein at least two connecting beam longitudinal ribs which are arranged at intervals and extend along the horizontal direction are arranged in the first connecting beam, a steel reserved box which is welded with at least two connecting beam longitudinal ribs is arranged in a first slit between the first connecting beam and the second connecting beam, and dampers which are distributed in a crossing manner with the first slit are arranged in the steel reserved box.

25. The fabricated building system according to claim 22, wherein at least two anchor bars which are arranged at intervals and extend in the vertical direction are arranged in the connecting beams provided with the second slits in the first connecting beams and the second connecting beams, and dampers which extend in the vertical direction and are distributed across the second slits are arranged in the area surrounded by the at least two anchor bars.

26. The fabricated building system of claim 25, wherein the damper comprises: the steel pipe and the lead core are filled in the steel pipe, and the steel pipe extends along the vertical direction and is welded with the anchoring steel bar.

27. The fabricated building system according to claim 1, wherein the precast floor slabs have a plurality of slab overlap joints arranged at intervals, the precast shear walls are provided with reserved grooves at the positions of the slab overlap joints, the top surfaces and the bottom surfaces of the slab overlap joints are respectively positioned in the reserved grooves of the precast shear walls spliced up and down,

and floor lap joints of two precast floor slabs positioned on two sides of the precast shear wall are respectively inserted into the reserved grooves between the two precast shear walls which are spliced up and down and are connected through connecting pieces.

28. The prefabricated building system according to claim 27, wherein the floor overlap joints of the two prefabricated floor slabs are respectively provided with embedded plates,

the connecting pieces are connecting plates which are respectively connected with the embedded plates of the floor lap joints of the two prefabricated floor slabs.

29. The fabricated building system of claim 27, wherein a grout layer is filled between two connected precast floor slabs and between the precast floor slabs and the precast shear wall.

30. The fabricated building system according to claim 1, wherein a plurality of groove keys which are distributed at intervals and correspond to each other are respectively arranged on opposite sides of two connected precast floor slabs on one side of the precast shear wall, and a grouting layer is filled between the groove keys and connecting joints of the two precast floor slabs.

31. The fabricated building system of claim 1, wherein a plurality of spaced apart filling cavities are provided in a central portion of each of the precast floor slabs, the filling cavities being filled with extruded sheets.

32. The fabricated building system of claim 31, wherein the filling cavity forms a uniform cross-section receiving cavity that is open on one side, or a receiving cavity that is necked open.

33. The fabricated building system of claim 31, wherein the filling cavity forms a four-sided closed containment cavity.

34. The fabricated building system of claim 31, wherein a plurality of said filling cavities are uniformly arranged in a plurality of columns.