CN111622380B - Combined shear wall capable of quickly recovering function after earthquake and wall body composed of combined shear wall - Google Patents

Abstract

The invention discloses a composite shear wall with fast recovery function after earthquake. The composite shear wall is composed of inner wall elements and end wall elements located at both ends of the inner wall elements. The end wall elements and the inner wall elements pass through a box-shaped The connectors are fixedly connected; the internal wall elements and end wall elements include light steel keel skeletons and wall panels. The light steel keel skeleton is enclosed by C-shaped light steel keel columns and U-shaped light steel keel beams. The wall panels are arranged in The light steel keel frame is paralleled on both sides; the two ends of each composite shear wall are provided with steel tube concrete columns, and the light steel keel frame of the end wall element is arranged on the side of the steel tube concrete column, and the C-shaped light steel column is fixed by bolts. The steel keel column is fixedly connected with the concrete-filled steel tubular column; the composite shear wall also includes two tie rods arranged to cross each other, and one end of the tie rod is fixedly connected with the concrete-filled steel tube column on one side of the composite shear wall. The end wall element and the inner wall element are fixedly connected to the CFST column on the other side of the composite shear wall.

Description

A composite shear wall with fast recovery function after earthquake and the wall composed of the same

technical field

The invention relates to a composite shear wall that can recover functions quickly after an earthquake, and also relates to a wall assembled by the composite shear wall, belonging to the technical field of building structures.

Background technique

my country is one of the countries with frequent earthquakes, so it is of great significance to apply energy-saving, environmentally friendly and repairable light steel residential structures to housing construction. The light steel keel composite wall is the main load-bearing and shear-resisting member of the existing light-steel residential structure, and its shear resistance is mainly provided by the self-tapping screw connectors connecting the wall plate and the light steel keel frame. Under the action of earthquake loads, the self-tapping screw connectors often have irreversible plate bearing deformation, and the overall rotational deformation of each layer of the wall caused by the deformation of the uplift anchor bolts of the upper and lower composite walls will significantly reduce the lateral deformation of the structure. Due to the rigidity and bearing capacity, it is easy to cause the use function of the light steel residential structure after the earthquake to be difficult to restore or the restoration cost is high.

SUMMARY OF THE INVENTION

Purpose of the invention: The technical problem to be solved by the present invention is to provide a composite shear wall that can recover quickly after an earthquake. Repair and replacement after earthquake, and the box-type connector is an elastic connection, which can deform during vibration, so that the seismic energy can be dissipated, so that the composite shear wall has good seismic performance.

The technical problem to be solved by the present invention is to provide a wall composed of the above-mentioned composite shear walls that can quickly recover functions after an earthquake. The wall can be applied to a light steel residential structure, thereby improving the seismic performance of the light steel residential structure. At the same time, it can quickly restore the use function of the light steel residential structure after the earthquake.

Summary of the invention: In order to solve the above-mentioned technical problems, the technical scheme adopted in the present invention is:

A composite shear wall that can recover quickly after an earthquake, the composite shear wall is composed of inner wall elements and end wall elements located at both ends of the inner wall elements, the end wall elements and the inner wall elements are connected by box-type connectors Fixed connection; the internal wall elements and end wall elements include light steel keel skeletons and wall panels, and the light steel keel skeletons are enclosed by C-shaped light steel keel columns and U-shaped light steel keel beams, and the wall panels are arranged in The two sides of the light steel keel frame are fixedly connected with the light steel keel frame by self-tapping screws; the two ends of each composite shear wall are provided with steel tube concrete columns, and the light steel keel frame of the end wall element is set in the steel tube concrete column. The side side of the column is fixedly connected with the C-shaped light steel keel column and the concrete-filled steel tube column through bolts; the combined shear wall also includes two tie rods arranged to cross each other. The column connector on the column is fixedly connected, and the tie rod is fixedly connected with the column connector on the CFST column on the other side of the composite shear wall after passing through the end wall element and the inner wall element of the composite shear wall.

The wall body is composed of the above-mentioned composite shear walls that can quickly restore functions after the earthquake. The wall body is composed of a plurality of composite shear walls. The horizontally adjacent composite shear walls are fixedly connected by concrete-filled steel tubular columns. Floor slabs are arranged between adjacent composite shear walls, concrete-filled steel tubular columns are fixedly connected to the floor slabs through column connectors, and the internal wall elements in each composite shear wall are fixedly connected to the floor slabs through wall member pull-out parts.

Wherein, the column connector is formed by connecting L-shaped steel plate, straight-shaped steel plate, T-shaped steel plate, straight-shaped steel plate and L-shaped steel plate in sequence by bolts; one side of the L-shaped steel plate of the column connector is fixed on the steel pipe by bolts. On the concrete column, the column connector T-shaped steel plate is fixedly connected to the floor slab through bolts.

Wherein, the box-shaped connecting piece is formed by U-shaped light steel keel and C-shaped light steel keel surrounded by self-tapping screws; The C-shaped light steel keel column of the wall element is fixed and connected by bolts.

The tie rod is composed of an end rod, an intermediate rod and a fastener; the end rod and the intermediate rod are fixedly connected by a fastener, wherein one end of the end rod is a connecting part with a bolt hole, and one end is an outer belt Threaded connection part, both ends of the middle rod are provided with external thread connection parts, and both ends of the fastener are provided with internal thread holes; , the connecting part of the intermediate rod with the external thread and the fastener are connected with each other through the internal and external threads.

Among them, the four corners of the internal wall elements in each composite shear wall are provided with wall element pull-out parts, and the bolt holes on the side walls of the wall element pull-out parts are fixed with the C-type light steel keel column of the internal wall element by bolts. Connection, the bolt hole at the bottom of the wall element drawing element is fixedly connected to the floor by bolts.

Among them, the light steel keel frame of the wall element at the middle end of each composite shear wall is provided with stiffened transverse braces and stiffened diagonal braces, and the diagonal corners of the light steel keel frame are also provided with steel plate structures. The light steel keel frame of the end wall element is fixedly connected.

Wherein, the center of the CFST column is provided with a prestressed rib pipe, and the prestressed rib is stretched and anchored after passing through the prestressed rib pipe to improve the self-recovery property of the light steel composite wall.

Wherein, the side length of the section of the CFST column is not less than the thickness of the end wall element.

Beneficial effects: the wall of the present invention improves the stability of the overall structure of the wall by connecting the CFST column and the adjacent floor slabs to each other through cross tie rods; prestressing tendons are arranged in the CFST column, and the fasteners can be used at any time. Adjusting the stress state of the tie rod effectively improves the self-recovery of the wall; the internal wall elements of the composite shear wall are connected to the end wall elements through box-type connectors, which is not only conducive to the repair and replacement of the composite shear wall after earthquakes, but also And the box-type connecting piece is an elastic connection, which can deform during vibration, so as to dissipate the seismic energy, so that the combined shear wall has good seismic performance and rapid repairability after earthquake; The wall composed of elements (each combined shear wall) and connectors can ensure the overall lateral resistance and vertical stability of the wall structure, and at the same time improve the rapid recovery of the wall after earthquakes, and can be used for light in steel residential structures.

Description of drawings

1 is a schematic plan view of a composite shear wall of the present invention;

Fig. 2 is the connection schematic diagram of the C-type light steel keel column of the concrete-filled steel tube column and the end wall element in the composite shear wall of the present invention;

Fig. 3 is the connection schematic diagram of the concrete-filled steel tubular column and the end wall element in the composite shear wall of the present invention;

Fig. 4 is the structural schematic diagram of the composite shear wall of the present invention after the concrete-filled steel tubular column and the end wall element are assembled;

Fig. 5 is the wall panel assembly schematic diagram of the inner wall element in the composite shear wall of the present invention;

Fig. 6 is the structural schematic diagram after the inner wall elements in the composite shear wall of the present invention are assembled;

Figure 7 is an exploded view of the cylindrical connector;

Figure 8 is a schematic structural diagram of a box-type connector;

Fig. 9 is the structural representation of strut;

Fig. 10 is the structural representation of the middle end rod of the strut;

Fig. 11 is the structural representation of the middle rod in the strut;

Figure 12 is a schematic structural diagram of a fastener in a strut;

Figure 13 is a schematic structural diagram of the wall element uplift element;

Fig. 14 is the structural representation of the composite shear wall of the present invention without wallboard;

Figure 15 is a schematic diagram of the connection between adjacent composite shear walls and floor slabs when composite shear walls of the present invention are assembled into walls.

Detailed ways

The technical solutions of the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

As shown in Figures 1 to 15, the composite shear wall 100 of the present invention that can quickly restore the function after an earthquake, the composite shear wall 100 is composed of an inner wall element 6 and end wall elements 5 located at both ends of the inner wall element 6. The wall element 5 and the inner wall element 6 are fixedly connected through the box-type connector 18; the inner wall element 6 and the end wall element 5 both include light steel keel frames (16, 7) and wall panels The keel frame 16 is formed by the C-shaped light steel keel column 10 and the U-shaped light steel keel beam 11 fixed and enclosed by self-tapping screws, and the end wall element 5 is also made of C-shaped light steel keel column 10 and U-shaped light steel keel beam. 11. It is formed by fixing and enclosing by self-tapping screws. The light steel keel frame 7 of the end wall element 5 is also provided with stiffening transverse braces 12 and stiffening diagonal braces 13, and the opposite corners of the light steel keel frame 7 are also provided with steel plate structures. 14. The steel plate structure 14 is fixedly connected with the light steel keel frame 7 through the self-tapping screws 15 (the end wall elements 5 and the inner wall elements 6 in the combined shear wall 100 use the C-type light steel keel columns 10 and U of the same cross-sectional specifications. Type light steel keel beam 11), the wall panels 8 are arranged on both sides of the light steel keel frame (16, 7) and are fixedly connected with the light steel keel frame (16, 7) through self-tapping screws 15; Each end is provided with a steel tube concrete column 1, and the light steel keel frame 7 of the end wall element 5 is arranged on the side of the steel tube concrete column 1, and the C-shaped light steel keel column 10 of the light steel keel frame 7 is connected with the steel pipe by bolts. The concrete column 1 is fixedly connected; the composite shear wall 100 also includes two tie rods 19 arranged to cross each other. After passing through the end wall element 5 and the inner wall element 6 of the composite shear wall 100 , it is fixedly connected to the column connector 17 on the concrete-filled steel tube column 1 on the other side of the composite shear wall 100 .

The above-mentioned composite shear walls 100 that can quickly restore functions after the earthquake are assembled by a plurality of composite shear walls 100, and the laterally adjacent composite shear walls 100 are assembled and fixedly connected through concrete-filled steel tubular columns 1, A floor slab 30 is arranged between the longitudinally adjacent composite shear walls 100, the concrete-filled steel tubular column 1 is fixedly connected to the floor slab 30 through the column connector 17, and the inner wall element 6 in the composite shear wall 100 is connected to the floor slab 30 through the wall element pull-out member 20. Floor slab 30 is fixedly connected.

Among them, the column connector 17 is composed of L-shaped steel plate 21, straight-shaped steel plate 22, T-shaped steel plate 23, straight-shaped steel plate 22 and L-shaped steel plate 21 connected by bolts; The bolts 24 are fixed on the concrete-filled steel tubular column 1 , and the column connector 17 T-shaped steel plate 23 is fixedly connected to the floor plate 30 through bolts. The box-shaped connector 18 is formed by the U-shaped light steel keel 25 and the C-shaped light steel keel 26 surrounded by self-tapping screws 15; 10 and the C-shaped light steel keel column 10 of the end wall element 5 are fixedly connected by bolts 24 . The height of the web of the U-shaped light steel keel 25 and the C-shaped light steel keel 26 is not greater than the height of the web of the C-shaped light steel keel column 10, the length of the box-type connecting piece 18 is not less than 150mm, and the length of the adjacent box-type connecting piece 18 is not less than 150mm. The spacing is not more than 200mm.

The tie rod 19 is composed of an end rod 27, an intermediate rod 28 and a fastener 29; the end rod 27 and the intermediate rod 28 are fixedly connected by the fastener 29, wherein one end of the end rod 27 is a connecting part 33 with a bolt hole , one end is a connecting portion 34 with an external thread, both ends of the intermediate rod 28 are provided with an externally threaded connecting portion 35, and both ends of the fastener 29 are provided with an internally threaded hole 36. The connecting part 34 with the external thread of the end rod 27 is connected with the fastener 29 through the internal and external threads; The connecting portion 33 of the bolt hole is fixedly connected to the T-shaped steel plate 23 of the column connecting member 17 (the T-shaped steel plate 23 has strip bolt holes) through bolts. The tension rod 19 is provided with a fastener 29 that can adjust the stress state of the tension rod 19 at the junction of the end wall element 5 and the inner wall element 6 , so as to realize the repairability of the tension effect of the tension rod 19 .

Wherein, the four corners of the inner wall element 6 in each composite shear wall 100 are provided with wall element pull-out members 20, and the bolt holes on the side walls of the wall element pull-out member 20 pass through the bolts 24 and C of the inner wall element 6. The profiled light steel keel column 10 is fixedly connected, the bolt holes at the bottom of the wall element pulling member 20 are fixedly connected to the floor 30 through bolts 24, and the thickness of the steel plate of the wall element pulling member 20 is not less than 4mm. Stiffening transverse braces 12 and stiffening diagonal braces 13 are provided in the light steel keel frame 7 of the wall element 5 at the middle end of each composite shear wall 100, and a steel plate structure 14 is also provided at the opposite corner of the light steel keel frame 7. The steel plate structure 14 is fixedly connected to the light steel keel frame 7 through self-tapping screws 15 .

The center of the CFST column 1 of the composite shear wall of the present invention is provided with a prestressed rib pipe 31, and the prestressed rib 32 is stretched and anchored after passing through the prestressed rib pipe to improve the self-healing property of the light steel composite wall. The construction method of the CFST column 1 is as follows: in the factory, a prestressed rib pipe 31 is erected in the steel pipe column through a pedestal, both ends of the prestressed rib pipe 31 are temporarily fixed, and then fine stone concrete is poured into the steel pipe column, and finally the prestressed rib pipe 31 is removed. The fixtures at both ends form the CFST column 1 . The side length of the section of the CFST column 1 is not less than the thickness of the end wall element 5 .

The method for assembling the composite shear wall 100 of the present invention into a wall includes the following steps: Step 1: Arrange the CFST column 1 at both ends of the composite shear wall 100, and connect the CFST column 1 to the adjacent The floor slabs 30 are connected as a whole; in the second step, the light steel keel skeleton 7 of the end wall element 5 is arranged on the side of the CFST column 1 and the CFST column 1 and the C-type light steel keel column are connected by the embedded bolts 4 10 fixed connection; the third step, use the box-type connector 18 to connect the C-type light steel keel column 10 of the end wall element 5 and the inner wall element 6 into a whole through bolts 24, and use the wall element anti-uplift element 20 to connect the inner wall. The upper and lower ends of the element 6 are connected with the adjacent floor slabs 30; the fourth step is to pass the middle rod 28 of the tie rod 19 through the reserved hole 9 on the C-type light steel keel column 10 of the middle wall element 6, and then in the middle wall Fasteners 29 are installed inside the light steel keel frame 16 of element 6, and the end rod 27 of the tie rod 19 is inserted into the light steel keel frame through the reserved hole 9 on the C-type light steel keel column 10 of the end wall element 5 7. Inside, one end of the end rod 27 is screwed into the fastener 29, and the other end is connected with the column connector 17 fixedly connected with the corresponding CFST column 1 through the bolt 24 to form a whole; the fifth step, in the light steel keel frame (7, 16) Install the wall panels 8 through the self-tapping screws 15 on both sides; the sixth step, thread the prestressed tendons 32 in the prestressed tendon pipes 31 reserved for the CFST column 1 and tension and anchor them.

In the above-mentioned first step, the process of connecting the CFST column 1 and the adjacent floor slab 30 by the column connector 17 is as follows: the flange of the T-shaped steel plate 23 is fixedly connected with the adjacent floor slab 30 by bolts 24, and then the L-shaped steel plate is connected. 21. The in-line steel plate 22 is placed on both sides of the web of the T-shaped steel plate 23 in turn, and the in-line steel plate 22 is located between the web of the T-shaped steel plate 23 and the L-shaped steel plate 21; After the column 1 is fixedly connected by the embedded bolts 4, the other side of the L-shaped steel plate 21 is connected with the webs of the in-line steel plate 22 and the T-shaped steel plate 23 through the bolts 24 into a whole.

In the above-mentioned third step, the process of connecting the wall element anti-uplift member 20 to the inner wall element 6 and the floor slab 30 is as follows: the wall element anti-uplift member 20 is arranged on the four corners of the light steel keel frame 16 of the internal wall element, The pulling member 20 is located on the inner side of the U-shaped light steel keel beam 11, and one side of the wall element pulling-resistant member 20 is connected with the web and floor 30 of the U-shaped light steel keel beam 11 through bolts 24, and then the wall element is pulled-resistant. The other side of the piece 20 is fixedly connected with the web of the C-shaped light steel keel column 10 through bolts 24 .

In the above-mentioned fourth step, the process of pulling the concrete-filled steel tubular column 1 by the tie rod 19 is: pass the middle rod 28 of the tie rod 19 through the reserved hole 9 and the U-shaped light steel keel column 10 on the C-shaped light steel keel column 10 of the middle wall element 6. The reserved hole 9 on the keel beam 11, the middle rod 28 of the tie rod 19 is located in the light steel keel frame 16, and the fasteners 29 are installed at both ends of the middle rod 28, and the fasteners 29 are located at the end wall element 5 and inside. At the junction of the wall element 6, then pass the end rod 27 of the tie rod 19 through the reserved hole 9 on the C-shaped light steel keel column 10 of the end wall element 5, and the end rod 27 is located in the light steel keel frame 7. One end of the rod 27 at the end of the tie rod 19 is screwed into the fastener 29, and the other end is connected with the concrete-filled steel tubular column 1 through the bolt 24 as a whole. The two tie rods 19 are arranged in an intersecting manner.

The use of the composite shear wall 100 of the present invention can improve the lateral resistance and vertical stability of the wall structure, facilitate the replacement and repair of damaged parts in the composite shear wall 100, and facilitate the rapid use of the light steel residential structure after the earthquake. For repairing, the required components in the combined shear wall 100 can be prefabricated in batches in the factory, the on-site construction is simple, the construction efficiency is greatly improved, and the construction cost can be effectively reduced.

Claims (3)

1. The utility model provides a but after shake combined shear wall of quick recovery function which characterized in that: the combined shear wall consists of an inner wall element and end wall elements positioned at two ends of the inner wall element, and the end wall elements are fixedly connected with the inner wall element through box-type connecting pieces; the interior wall element and the end wall element comprise light steel keel frameworks and wallboards, the light steel keel frameworks are formed by enclosing C-shaped light steel keel columns and U-shaped light steel keel beams, and the wallboards are arranged on two sides of the light steel keel frameworks and are fixedly connected with the light steel keel frameworks through self-tapping screws; the two end parts of each combined shear wall are provided with a steel tube concrete column, and a light steel keel framework of the end wall element is arranged on the side edge of the steel tube concrete column and fixedly connected with the C-shaped light steel keel column and the steel tube concrete column through bolts; the combined shear wall also comprises two pull rods which are arranged in a cross mode, one end of each pull rod is fixedly connected with a column connecting piece on the concrete-filled steel tube column on one side of the combined shear wall, and the pull rods penetrate through the end wall elements and the inner wall elements of the combined shear wall and are fixedly connected with the column connecting pieces on the concrete-filled steel tube column on the other side of the combined shear wall; the box-type connecting piece is formed by encircling a U-shaped light steel keel and a C-shaped light steel keel through self-tapping screws; two sides of the box-type connecting piece are respectively fixedly connected with the C-shaped light steel keel column of the inner wall element and the C-shaped light steel keel column of the end wall element through bolts; the pull rod consists of an end rod, a middle rod and a fastener; the end part rod and the middle rod are fixedly connected through a fastener, wherein one end of the end part rod is a connecting part with a bolt hole, the other end of the end part rod is a connecting part with external threads, the two ends of the middle rod are both provided with external thread connecting parts, and the two ends of the fastener are both provided with internal thread holes; the connecting part with the external thread of the end rod is mutually matched and connected with the fastening piece through the internal thread and the external thread, and the connecting part with the external thread of the middle rod is mutually matched and connected with the fastening piece through the internal thread and the external thread;

the column connecting piece is formed by connecting an L-shaped steel plate, a straight-line-shaped steel plate, a T-shaped steel plate, a straight-line-shaped steel plate and the L-shaped steel plate through bolts in sequence; the T-shaped steel plate is provided with a strip bolt hole; one side of the L-shaped steel plate of the column connecting piece is fixed on the steel pipe concrete column through a bolt, and the T-shaped steel plate of the column connecting piece is fixedly connected with the floor slab through a bolt;

the combined shear wall comprises a wall body formed by splicing a plurality of combined shear walls, wherein the combined shear walls which are transversely adjacent are fixedly connected through a steel tube concrete column, a floor slab is arranged between the combined shear walls which are longitudinally adjacent, the steel tube concrete column is fixedly connected with the floor slab through a column connecting piece, and an internal wall element in each combined shear wall is fixedly connected with the floor slab through a wall element pulling-resistant piece;

the method for assembling the combined shear wall into the wall body comprises the following steps: the method comprises the following steps that firstly, steel pipe concrete columns are arranged at two ends of a combined shear wall, and the steel pipe concrete columns and adjacent floor slabs are connected into a whole through column connecting pieces; secondly, arranging a light steel keel framework of the end wall element on the side surface of the steel tube concrete column and fixedly connecting the steel tube concrete column with the C-shaped light steel keel column through a pre-embedded bolt; thirdly, connecting the C-shaped light steel keel columns of the end wall element and the inner wall element into a whole through bolts by using box-type connecting pieces, and connecting the upper end and the lower end of the inner wall element with adjacent floor slabs by using wall element anti-pulling pieces; fourthly, a middle rod of a pull rod penetrates through a reserved hole in a C-shaped light steel keel column of the middle wall element, then a fastener is installed inside a light steel keel framework of the middle wall element, an end rod of the pull rod penetrates through a reserved hole in a C-shaped light steel keel column of the end wall element and extends into the light steel keel framework, one end of the end rod is screwed into the fastener, the other end of the end rod is connected with a column connecting piece fixedly connected with a corresponding steel pipe concrete column through a bolt so as to be pulled and connected into a whole, and a connecting part with a bolt hole of the end rod is fixedly connected with a strip-shaped bolt hole in a T-shaped steel plate of the column connecting piece through the bolt; fifthly, installing wallboards on two sides of the light steel keel framework through self-tapping screws; sixthly, penetrating a prestressed tendon in a prestressed tendon pipeline reserved in the steel pipe concrete column, and tensioning and anchoring;

wherein, the process that the column connecting piece connects steel core concrete column and adjacent floor is: fixedly connecting the flange of the T-shaped steel plate with the adjacent floor slab through a bolt, and then sequentially placing an L-shaped steel plate and a straight-line-shaped steel plate on two sides of a web plate of the T-shaped steel plate, wherein the straight-line-shaped steel plate is positioned between the web plate of the T-shaped steel plate and the L-shaped steel plate; fixedly connecting one side of an L-shaped steel plate with the concrete-filled steel tubular column through an embedded bolt, and connecting the other side of the L-shaped steel plate with a web plate of a straight-line-shaped steel plate and a web plate of a T-shaped steel plate into a whole through a bolt;

wherein, the process that inside wall element and floor were connected to wall element resistance to plucking piece is: arranging anti-pulling pieces of the wall element at four corners of an internal wall element light steel keel framework, wherein the anti-pulling pieces of the wall element are positioned at the inner sides of U-shaped light steel keel beams, connecting one side of each anti-pulling piece of the wall element with a web plate of the U-shaped light steel keel beams and a floor plate into a whole through bolts, and then fixedly connecting the other side of each anti-pulling piece of the wall element with a web plate of a C-shaped light steel keel column through bolts;

wherein, the process of the pull rod drawknot steel tube concrete column is as follows: the intermediate lever of pull rod passes the preformed hole on the C type light gauge steel post of middle part wall unit and the preformed hole on the U type light gauge steel joist roof beam, the intermediate lever of pull rod is located the light gauge steel skeleton, and at the both ends installation fastener of intermediate lever, the fastener is located the handing-over department of tip wall unit and inside wall unit, then pass the tip pole of pull rod the preformed hole on the C type light gauge steel post of tip wall unit, the tip pole is located the light gauge steel skeleton, twist the fastener with pull rod tip pole one end, the other end passes through the bolt and links into whole with the steel core concrete column, two pull rods are cross arrangement.

2. The composite shear wall capable of rapidly recovering function after earthquake as claimed in claim 1, wherein: the light steel keel framework of the end wall element in each combined shear wall is internally provided with a stiffening cross brace and a stiffening inclined brace, the diagonal positions of the light steel keel framework are also provided with steel plate structures, and the steel plate structures are fixedly connected with the light steel keel framework of the end wall element through self-tapping screws.

3. The composite shear wall capable of rapidly recovering function after earthquake as claimed in claim 1, wherein: the side length of the section of the steel tube concrete column is not less than the thickness of the end wall element.

Images