Novel prefabricated shear wall structure of fabricated building

By setting steel mesh and main vertical bars inside the shear wall, and forming support strips and protrusions at the upper and lower ends of the shear wall to form a slot structure, the problem of insufficient connection strength between precast shear walls and cast-in-place slabs is solved, and the efficiency of building construction is improved.

CN223523299UActive Publication Date: 2025-11-07MCC NORTHEAST CONSTR SHENYANG ENGTECH CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202423037680.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-10
Publication Date
2025-11-07
Estimated Expiration
2034-12-10

AI Technical Summary

Technical Problem

In existing technologies, the connection strength between precast shear walls and cast-in-place slabs is insufficient, resulting in low construction efficiency.

Method used

Welded steel mesh and main vertical bars are installed inside the shear wall body. Support strips and protrusions are integrally formed at the upper and lower ends of the shear wall body. The cast-in-place floor slab is wrapped around the support strips and protrusions to form a groove. The steel cage is welded to the main vertical bars. Cast-in-place beams are formed on the lower surface of the cast-in-place floor slab. The protruding columns are cast in the casting groove, and the clamping strips are cast in the side groove to enhance the connection stability.

Benefits of technology

The above structural design improves the connection stability between precast shear walls and cast-in-place slabs, thereby increasing the efficiency of building construction.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223523299U_ABST
    Figure CN223523299U_ABST
Patent Text Reader

Abstract

The utility model belongs to the technical field of buildings, in particular to a novel prefabricated shear wall structure of an assembly type building, which is characterized in that a reinforcing mesh is positioned inside a shear wall main body, two ends of a main vertical rib extend to the outer parts of the upper end and the lower end of the shear wall main body, and a cast-in-place laminate is cast outside a reinforcing cage; a cast-in-place beam used for supporting is integrally formed on the lower surface of the cast-in-place laminate, convex columns are integrally formed on the upper surface and the lower surface of the cast-in-place laminate, and the convex columns are poured in the pouring grooves; therefore, when the cast-in-place laminate is poured between the two shear wall bodies, the cast-in-place laminate wraps the supporting strips and the protruding blocks and forms the clamping grooves, meanwhile, the reinforcement cage between the two shear wall bodies is welded to the main vertical ribs, and therefore the main vertical ribs and the reinforcement cage are matched to support the cast-in-place laminate conveniently, the cast-in-place beams can support the cast-in-place laminate conveniently, and the shear wall bodies are convenient to assemble and disassemble. Therefore, the connection stability of the shear wall main body and the cast-in-place laminate is improved, the prefabricated shear wall is convenient to assemble, and the building construction efficiency is improved.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model belongs to building technical field, concretely relates to a new prefabricated shear wall structure of assembly type building. BACKGROUND

[0002] Shear wall is also called wind-resistant wall, anti-seismic wall or structural wall, and is the wall body of building or structure mainly bearing horizontal load and vertical load caused by wind load or earthquake action, preventing shear failure of structure.

[0003] The existing Chinese patent CN103981998B discloses a prefabricated shear wall plate, which is vertically close to the upper and lower end faces and is respectively provided with a plurality of vertically arranged vertical grooves or vertical sleeves, the vertical grooves or vertical sleeves are provided with vertical steel bars, and the vertical steel bars do not protrude from the upper and lower end faces of the wall plate, the wall plate is horizontally close to the side vertical surface and is respectively provided with a plurality of horizontally arranged horizontal grooves or horizontal sleeves, the horizontal grooves or horizontal sleeves are provided with horizontal steel bars, and the horizontal steel bars do not protrude from the side vertical surface of the wall plate; however, only by arranging the horizontal grooves, horizontal sleeves, vertical grooves and vertical sleeves, the contact area of the prefabricated shear wall is increased, and the connection strength between the prefabricated shear wall and the cast-in-place layer plate cannot be improved. SUMMARY

[0004] In view of the problem that the connection strength between the prefabricated shear wall and the cast-in-place layer plate cannot be improved in the prior art, the utility model provides a new prefabricated shear wall structure of assembly type building, and the specific technical scheme is as follows:

[0005] A new prefabricated shear wall structure of assembly type building, which comprises a shear wall body, a steel mesh and a main vertical rib are arranged in the shear wall body and are mutually welded, the steel mesh is arranged in the part of the shear wall body, the two ends of the main vertical rib are extended to the outside of the upper and lower ends of the shear wall body, support strips are integrally formed on the upper and lower ends of the shear wall body, protruding blocks are integrally formed on the surfaces of the support strips, pouring grooves are arranged at the nodes of the upper and lower ends of the shear wall body, side grooves are arranged on the shear wall body close to the pouring grooves, a steel reinforcement cage is arranged between the two shear wall bodies, and the steel reinforcement cage is welded and fixed with the main vertical rib, a cast-in-place layer plate is poured outside the steel reinforcement cage, cast-in-place beams for supporting are integrally formed on the lower surface of the cast-in-place layer plate, protruding columns are integrally formed on the upper and lower surfaces of the cast-in-place layer plate, and the protruding columns are poured in the pouring grooves.

[0006] Preferably, the shear wall body is composed of at least two mutually perpendicular sub-plates.

[0007] Preferably, the side groove formed on the shear wall body corresponds to the number of the sub-plates.

[0008] Preferably, the protrusions integrally formed on the surface of the support strip are distributed at equal intervals, and the protrusions are isosceles trapezoidal structures.

[0009] Preferably, the steel bar mesh arranged in the shear wall body is provided with four layers, the steel bar mesh comprises first and second warp steel bars arranged in parallel, and the first and second warp steel bars are perpendicular to the weft steel bars.

[0010] Preferably, the weft steel bars are wave structures.

[0011] Compared with the prior art, the utility model has the beneficial effects that: the steel bar mesh and the main vertical rib are arranged in the shear wall body and are welded with each other, so that the steel bar mesh and the main vertical rib cooperate to support the prefabricated shear wall body; the support strip integrally formed on the upper and lower ends of the shear wall body and the protrusions integrally formed on the surface of the support strip, so that when the cast-in-place layer plate is poured between the two shear wall bodies, the cast-in-place layer plate is wrapped outside the support strip and the protrusions and forms a clamping groove, and the steel reinforcement cage between the two shear wall bodies is welded on the main vertical rib, so that the main vertical rib and the steel reinforcement cage cooperate to support the cast-in-place layer plate; the cast-in-place beam integrally formed on the lower surface of the cast-in-place layer plate supports the cast-in-place layer plate; the protruding column integrally formed by the cast-in-place layer plate and the cast-in-place beam is poured and fixed in the pouring groove formed at the two ends of the shear wall body; and the clamping strip integrally formed on the side surface of the protruding column is poured in the side groove, so that the stability of the connection between the shear wall body and the cast-in-place layer plate is increased, the prefabricated shear wall is facilitated to be assembled, and the efficiency of building construction is improved. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a schematic diagram of the assembly structure of the utility model;

[0013] Figure 2 It is a schematic diagram of the shear wall body structure in the utility model;

[0014] Figure 3 It is a schematic diagram of the shear wall body assembly structure in the utility model;

[0015] Figure 4 It is Figure 2 It is an enlarged structure schematic diagram of position A in FIG. 4;

[0016] Figure 5 It is Figure 3 It is an enlarged structure schematic diagram of position B in FIG. 4;

[0017] Figure 6 It is a schematic diagram of the main vertical rib and the steel reinforcement cage structure in the utility model;

[0018] Figure 7 The utility model discloses a steel bar net structure schematic view.

[0019] Fig. 1, shear wall main body 2, steel bar net 21, weft steel bar 22, first warp steel bar 23, second warp steel bar 3, main vertical rib 4, support strip 5, convex block 6, pouring groove 7, side groove 8, steel reinforcement cage 9, cast-in-place layer plate 10, cast-in-place beam 11, clamping groove 12, convex column 13, clamping strip. DETAILED DESCRIPTION

[0020] The technical scheme in the utility model embodiment is described below.

[0021] Please refer to Figures 1-7 The utility model provides a kind of technical scheme: a new prefabricated shear wall structure of assembly type building, including shear wall main body 1, shear wall main body 1 is provided with the steel bar net 2 and main vertical rib 3 of mutual welding, steel bar net 2 is located in the part inside shear wall main body 1, the both ends of main vertical rib 3 are extended to the outside of the upper and lower ends of shear wall main body 1, the upper and lower ends of shear wall main body 1 are integrally formed with support strip 4, the surface of support strip 4 is integrally formed with convex block 5, the node of the upper and lower ends of shear wall main body 1 is all provided with pouring groove 6, and shear wall main body 1 is close to pouring groove 6 and is provided with side groove 7, and steel reinforcement cage 8 is arranged between the upper and lower shear wall main body 1, and steel reinforcement cage 8 is welded with main vertical rib 3 and is fixed, steel reinforcement cage 8 is poured with cast-in-place layer plate 9, the lower surface of cast-in-place layer plate 9 is integrally formed with the cast-in-place beam 10 for support, the upper and lower surfaces of cast-in-place layer plate 9 are integrally formed with convex column 12, and convex column 12 is poured in the inside of pouring groove 6, and cast-in-place layer plate 9 and cast-in-place beam 10 surface are all provided with the clamping groove 11 for pouring in the outside of support strip 4 and convex block 5, the outer surface of convex column 12 is integrally formed with clamping strip 13, and clamping strip 13 is poured in side groove 7.

[0022] In the embodiment, the steel bar mesh 2 and the main vertical steel bars 3 are welded to each other in the shear wall body 1, so that the steel bar mesh 2 and the main vertical steel bars 3 can support the prefabricated shear wall body 1, the support bars 4 are integrally formed on the upper and lower ends of the shear wall body 1, and the protrusions 5 are integrally formed on the surface of the support bars 4, so that when the cast-in-place slab 9 is poured between the two shear wall bodies 1, the cast-in-place slab 9 is wrapped outside the support bars 4 and the protrusions 5 and forms the clamping grooves 11, and the steel reinforcement cage 8 between the two shear wall bodies 1 is welded to the main vertical steel bars 3, so that the main vertical steel bars 3 and the steel reinforcement cage 8 can support the cast-in-place slab 9, the cast-in-place beam 10 is integrally formed on the lower surface of the cast-in-place slab 9, the protruding column 12 integrally formed on the cast-in-place slab 9 and the cast-in-place beam 10 is poured and fixed in the pouring groove 6 formed at the two ends of the shear wall body 1, and the clamping strip 13 integrally formed on the side surface of the protruding column 12 is poured in the side groove 7, so as to increase the stability of the connection between the shear wall body 1 and the cast-in-place slab 9, so as to facilitate the assembly of the prefabricated shear wall and improve the efficiency of the building construction.

[0023] Specifically, the shear wall body 1 is composed of at least two mutually perpendicular sub-plates. In the embodiment, the shear wall body 1 formed by the two sub-plates is an L-shaped shear wall, the shear wall body 1 formed by the three sub-plates is a T-shaped shear wall, and the shear wall body 1 formed by the four sub-plates is a cross-shaped shear wall.

[0024] Specifically, the side grooves 7 formed on the shear wall body 1 correspond to the number of sub-plates. In the embodiment, the side grooves 7 formed on the shear wall body 1 correspond to the number of sub-plates, so as to facilitate the fixation of the shear wall body 1 and the cast-in-place slab 9.

[0025] Specifically, the protrusions 5 integrally formed on the surface of the support bars 4 are distributed at equal intervals, and the protrusions 5 are isosceles trapezoidal structures. In the embodiment, the protrusions 5 integrally formed on the surface of the support bars 4 are distributed at equal intervals, and the protrusions 5 are isosceles trapezoidal structures, so that when the cast-in-place slab 9 is poured outside the support bars 4 and the protrusions 5, the cast-in-place slab 9 increases the stability of the connection with the shear wall body 1.

[0026] Specifically, the steel bar mesh 2 arranged in the shear wall body 1 is provided with four layers, the steel bar mesh 2 includes the first and second warp steel bars 22 and 23 arranged in parallel, and the first and second warp steel bars 22 and 23 are perpendicular to the weft steel bars 21, and the weft steel bars 21 are wave structures. In the embodiment, the four layers of the steel bar mesh 2 are arranged in the shear wall body 1, and the steel bar mesh 2 is composed of the weft steel bars 21, the first and second warp steel bars 22 and 23, so as to facilitate the support of the shear wall body 1 by the steel bar mesh 2.

[0027] The above merely describes preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement, and improvement within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A new prefabricated shear wall structure of fabricated building, comprising a shear wall main body (1), characterized in that: The shear wall body (1) is provided with mutually welded steel bar mesh (2) and main vertical reinforcement (3), the steel bar mesh (2) is located in the part of the shear wall body (1), the both ends of the main vertical reinforcement (3) extend to the outside of the upper and lower ends of the shear wall body (1), the upper and lower ends of the shear wall body (1) are integrally formed with support strips (4), the surface of the support strip (4) is integrally formed with protrusions (5), the nodes of the upper and lower ends of the shear wall body (1) are provided with pouring grooves (6), and the shear wall body (1) is provided with side grooves (7) close to the pouring grooves (6), the steel bar cage (8) is arranged between the upper and lower shear wall bodies (1), and the steel bar cage (8) is welded and fixed with the main vertical reinforcement (3), the steel bar cage (8) is poured with the cast-in-place slab (9) outside, the lower surface of the cast-in-place slab (9) is integrally formed with the cast-in-place beam (10) for supporting, the upper and lower surfaces of the cast-in-place slab (9) are integrally formed with the protruding column (12), and the protruding column (12) is poured in the pouring groove (6), the surfaces of the cast-in-place slab (9) and the cast-in-place beam (10) are provided with the clamping groove (11) for pouring outside the support strip (4) and the protrusion (5), the outer surface of the protruding column (12) is integrally formed with the clamping strip (13), and the clamping strip (13) is poured in the side groove (7).

2. The new prefabricated shear wall structure of fabricated building according to claim 1, characterized in that: The shear wall body (1) is composed of at least two mutually perpendicular sub-plates.

3. The new prefabricated shear wall structure of fabricated building according to claim 2, characterized in that: The side grooves (7) opened on the shear wall body (1) correspond to the number of sub-plates.

4. The new prefabricated shear wall structure of fabricated building according to claim 1, characterized in that: The protrusions (5) integrally formed on the surface of the support strip (4) are distributed at equal intervals, and the protrusions (5) are isosceles trapezoidal structures.

5. The new prefabricated shear wall structure of fabricated building according to claim 1, characterized in that: The steel bar mesh (2) provided in the shear wall body (1) is provided with four layers, the steel bar mesh (2) includes first and second warp steel bars (22, 23) arranged in parallel, and the first and second warp steel bars (22, 23) are perpendicular to the weft steel bars (21).

6. The novel prefabricated shear wall structure of fabricated building according to claim 5, characterized in that: The weft steel bars (21) are wave structures.

Citation Information

Patent Citations

  • Construction methods for precast shear wall panels, shear walls, and shear walls

    CN103981998B