Assembled integral type steel plate composite shear wall

Abstract

The utility model relates to an assembled integral type steel plate composite shear wall which comprises a plurality of wall exterior steel plates which are sequentially spliced from bottom to top. Wall filling concrete is vertically inserted into the wall exterior steel plate, at least one end of the wall filling concrete is narrowed and sequentially forms a retraction part and an extension part, the retraction part is located in the wall exterior steel plate, and a containing cavity is reserved between the retraction part and the wall exterior steel plate; the extending part is positioned outside the wall exterior steel plate; in the two up-and-down adjacent spliced wall exterior steel plates, the extending part of each wall interior filled concrete extends into the containing cavity of the other wall exterior steel plate and is engaged with the retracting part of the other wall interior filled concrete in a staggered manner; and the retraction part, the extension part and the side wall of the steel plate outside the wall are respectively provided with corresponding through holes and are connected through high-strength bolts. Assembly can be completed without on-site welding and concrete pouring, and the construction difficulty is lowered.

Description

Technical Field

[0001] The utility model relates to the technical field of building structures, in particular to an assembled integral steel plate combined shear wall. Background Art

[0002] Shear wall, also known as wind-resistant wall, earthquake-resistant wall or structural wall, is a part of the vertical component of the building structure. It is mainly used to bear the horizontal and vertical loads caused by wind loads or earthquakes to prevent shear failure of the structure.

[0003] The steel plate composite shear wall consists of two parts, one is the wall body composed of steel plates welded on both sides of the width direction, and the other is the inner wall formed by pouring concrete in the cavity surrounded by the steel plates, so that the shear wall has the characteristics of both steel plates and concrete. It has the advantages of good seismic performance, saving building space, large lateral stiffness, strong energy dissipation capacity, good ductility, etc. The assembled integral steel plate composite shear wall is to process the components in the factory, assemble the components by welding at the construction site, and some of them use concrete to pour into the connection nodes to enhance the node strength, and finally form the shear wall through maintenance.

[0004] At present, the most commonly used prefabricated integral steel plate composite shear walls are various forms of multi-cavity steel plate composite shear walls. There are usually two ways to handle the connection nodes. One way is to weld the outer steel plate at the node, but in the node connection, the stiffening plate inside the shear wall is difficult to weld, so that the stiffening plate at the node is discontinuous and weak in strength. The second way is to use concrete grouting in the connection node area to increase the strength. Although prefabricated steel plate composite shear walls reduce the need for on-site formwork, they still require a lot of on-site welding and concrete pouring work, which reduces construction efficiency and increases wet work. It also brings problems in construction quality, labor costs and environmental impact.

[0005] The prior art CN111980219A is an assembled integral steel plate composite shear wall, which improves construction efficiency and reduces concrete pouring work, but the vertical connection node connection of the shear wall adopts post-grouting to bear and transmit the internal force between the walls, and on-site concrete pouring work is still required. The prior art CN208088587U is an assembled steel plate composite shear wall with the advantages of convenient construction, small welding amount, good force performance, etc., but still retains some welding work.

[0006] Grouting of concrete and welding of external steel plates at the nodes on the construction site require construction workers to have a high level of technical skills. On the other hand, it will reduce construction efficiency, increase costs, and easily cause problems such as loose welding, loose grouting, and unguaranteed construction quality, which will bring uncertainty to the safety of the building structure. Therefore, it is necessary to provide an assembled integral steel plate composite shear wall that does not require on-site welding and concrete pouring to solve the above technical problems. Utility Model Content

[0007] In view of the problems existing in the prior art, the purpose of the utility model is to provide an assembled integral steel plate combined shear wall, which can be assembled without welding and pouring concrete on site, thereby reducing the difficulty of construction.

[0008] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0009] An assembled integral steel plate combined shear wall comprises a plurality of wall outer steel plates sequentially spliced ​​from bottom to top;

[0010] The inner wall filling concrete is vertically inserted into the outer wall steel plate, and at least one end of the inner wall filling concrete is narrowed to form an indented portion and an extended portion in sequence, the indented portion is located inside the outer wall steel plate, and a cavity is left between the indented portion and the outer wall steel plate; the extended portion is located outside the outer wall steel plate;

[0011] In the two adjacent wall outer steel plates spliced ​​together upper and lower, the protruding part filled with concrete in each wall extends into the cavity of the other wall outer steel plate, and is staggered and engaged with the retracted part filled with concrete in the other wall; the retracted part, the protruding part and the side walls of the wall outer steel plate are respectively provided with corresponding through holes and are connected by high-strength bolts.

[0012] Furthermore, the wall outer steel plate includes a second shear wall steel plate located in the middle, end column steel plates located at both ends, and a first shear wall steel plate located between the end column steel plate and the second shear wall steel plate;

[0013] The thickness of the end column steel plate is greater than the thickness of the first shear wall steel plate and the second shear wall steel plate, the three are arranged horizontally and at the same height, and the outer surfaces are on the same plane;

[0014] The wall filling concrete includes column filling concrete, first shear wall filling concrete and second shear wall filling concrete;

[0015] The end column steel plate is filled with concrete, the first shear wall steel plate is filled with concrete, and the second shear wall steel plate is filled with concrete;

[0016] In the same wall, the concrete filled in the column, the concrete filled in the first shear wall and the extension of the concrete filled in the second shear wall are arranged in a staggered manner. This structure increases the strength of the node connection, makes the concrete filled in the wall bear uniform stress as a whole, makes the structure more stable, and improves the anti-overturning capacity during the hoisting and splicing stage and the service life of the wall.

[0017] Furthermore, the cross-sections of the first shear wall steel plate and the second shear wall steel plate are C-shaped structures, and the cross-section structure of the second shear wall steel plate is larger than the cross-section structure of the first shear wall steel plate.

[0018] Furthermore, it also includes a reinforcing plate, which covers the outside of two adjacent wall outer steel plates spliced ​​upper and lower, and its height is greater than the sum of the heights of the indented portion and the protruding portion. The reinforcing plate is provided with through holes and is connected to the wall outer steel plates, the indented portion and the protruding portion by high-strength bolts.

[0019] Furthermore, the reinforcing plates include transverse reinforcing plates and longitudinal reinforcing plates. The transverse reinforcing plates are installed on the front and rear sides of the wall outer steel plate. The transverse reinforcing plates are correspondingly provided with transverse high-strength bolts and nuts. The transverse reinforcing plates are fixedly connected to the outer surface of the wall outer steel plate through the transverse high-strength bolts. Bolt washers are provided between the transverse reinforcing plates and the transverse high-strength bolts, and between the transverse reinforcing plates and the nuts; the longitudinal reinforcing plates are installed on the left and right sides of the wall outer steel plate. The longitudinal reinforcing plates are correspondingly provided with longitudinal high-strength bolts and nuts. The longitudinal reinforcing plates are fixedly connected to the outer surface of the wall outer steel plate through the longitudinal high-strength bolts. Bolt washers are provided between the longitudinal reinforcing plates and the longitudinal high-strength bolts, and between the longitudinal reinforcing plates and the nuts to ensure that the bolts are tightly connected and that the steel plate connections are flat and seamless.

[0020] Furthermore, the through holes of the retracted portion, the extended portion, the wall outer steel plate and the reinforcing plate all include transverse through holes and longitudinal through holes.

[0021] Furthermore, the retracted portion and the extended portion are an integrally formed sheet structure.

[0022] Furthermore, the steel plate outside the wall and the concrete inside the wall are respectively combined to form a bottom composite shear wall, a middle composite shear wall and a top composite shear wall, wherein the bottom composite shear wall and the top composite shear wall have the same structure, and one end of the concrete inside the wall is provided with a sheet structure, and the other end is flush with the steel plate outside the wall; both ends of the middle composite shear wall are provided with sheet structures;

[0023] The bottom composite shear wall, the middle composite shear wall and the top composite shear wall are spliced ​​in sequence from bottom to top.

[0024] Furthermore, the positions of the sheet structures at both ends of the middle composite shear wall are staggered.

[0025] Furthermore, the height of the middle composite shear wall is at least the height of two floors of the building, and the height of the bottom composite shear wall and the top composite shear wall is at least the height of one and a half floors of the building.

[0026] Furthermore, the cross-sectional form of the assembled middle composite shear wall is a straight line, an L-shaped, a T-shaped or a cross-shaped. Different cross-sectional forms are selected according to different positions of the shear wall in the building.

[0027] The assembly construction method of the assembled integral steel plate composite shear wall as described above comprises the following steps:

[0028] Insert concrete into the walls respectively in the steel plates covering the outer walls;

[0029] Multiple wall outer steel plates are spliced ​​sequentially from bottom to top;

[0030] Among them, in the two wall outer steel plates spliced ​​adjacent to each other, the protruding part filled with concrete in each wall extends into the cavity of the other wall outer steel plate, and is staggered and engaged with the retracted part filled with concrete in the other wall. The retracted part, the protruding part and the side walls of the wall outer steel plate are respectively provided with corresponding through holes and are connected by high-strength bolts.

[0031] Further, multiple wall outer steel plates are sequentially spliced ​​from bottom to top, including:

[0032] The bottom composite shear wall, the middle composite shear wall and the top composite shear wall are formed by combining the steel plate outside the wall and the concrete inside the wall;

[0033] Using high-strength bolts that pass through the concrete filling inside the wall and the steel plate outside the wall as hanging points, the middle composite shear wall is lifted and installed on the bottom composite shear wall, and then the top composite shear wall is lifted and installed on the middle composite shear wall.

[0034] Furthermore, the step of sequentially splicing a plurality of wall outer steel plates from bottom to top also includes:

[0035] After the middle composite shear wall is hoisted and installed on the bottom composite shear wall, the steel beam is welded to the end column steel plate, and the floor slab is overlapped on the steel beam, so that the shear wall connection is located in the middle of the floor. In addition, the steel beam and floor slab are also installed when the middle composite shear wall is spliced ​​with the middle composite shear wall and the middle composite shear wall is spliced ​​with the top composite shear wall. According to the inflection point method, when the shear wall connection is located in the middle of the floor, the bending moment in the middle of the floor is the smallest, and the force here is the smallest. It is safer to place the relatively weak connection node at this position.

[0036] In general, the utility model has the following advantages:

[0037] When in use, multiple wall outer steel plates can be prefabricated in the factory, and concrete can be prefabricated in the wall according to the wall outer steel plates. Then the prefabricated wall outer steel plates and concrete can be transported to the construction site for assembly. During assembly, the concrete is vertically inserted into each wall outer steel plate and fixed with high-strength bolts. Then, multiple wall outer steel plates are spliced ​​from bottom to top in sequence, so that the protruding part of each wall inner concrete in the two adjacent wall outer steel plates spliced ​​up and down extends into the cavity of the other wall outer steel plate, and is staggered and engaged with the indented part of the other wall inner concrete; the indented part, the protruding part and the side wall of the wall outer steel plate are respectively provided with corresponding through holes and connected by high-strength bolts, and the assembly construction can be completed. The assembly can be completed without welding and pouring concrete on site, reducing the difficulty of construction. BRIEF DESCRIPTION OF THE DRAWINGS

[0038] Figure 1 This is a schematic diagram of the connection of the middle combined shear wall of the utility model;

[0039] Figure 2 It is a structural schematic diagram of the middle combined shear wall of the utility model;

[0040] Figure 3 This is a structural diagram of the wall covered with steel plates and filled with concrete;

[0041] Figure 4 This is the structural section view of the middle composite shear wall;

[0042] Figure 5 This is the structural prefabrication diagram of the middle composite shear wall;

[0043] Figure 6 This is the exploded diagram of the connection of the middle composite shear wall;

[0044] Figure 7 This is a partial exploded view of the connection of the middle composite shear wall;

[0045] Figure 8 This is the top view of the structure of the middle composite shear wall;

[0046] Fig. 9 This is the bolt lap joint structure diagram of the middle composite shear wall;

[0047] Fig.10 It is a schematic diagram of the splicing of the integral steel plate composite shear wall assembled in the utility model;

[0048] Fig.11 Prefabrication flow chart for steel plate cladding of the wall;

[0049] Fig.12 Precast flow chart for filling concrete inside the wall;

[0050] Fig.13The utility model is a flowchart for on-site splicing of the integral steel plate composite shear wall.

[0051] In the figure:

[0052] 1-Horizontal high-strength bolts; 2-bolt washers; 3-horizontal reinforcement plates; 4-steel plates on the outside of the wall; 5-concrete filling inside the wall; 6-longitudinal high-strength bolts; 7-longitudinal reinforcement plates; 8-nuts; 9-longitudinal through holes; 10-horizontal through holes; 11-end column steel plates; 12-first shear wall steel plates; 13-second shear wall steel plates; 14-concrete filling inside the columns; 15-concrete filling inside the first shear wall; 16-concrete filling inside the second shear wall; 20-hoisting ropes; 21-concrete formwork filled in the columns; 22-concrete formwork filled in the first shear wall; 23-concrete formwork filled in the second shear wall; 24-top composite shear wall; 25-middle composite shear wall; 26-bottom composite shear wall; 27-steel beams; 28-floor slabs. DETAILED DESCRIPTION

[0053] The utility model will be further described in detail below.

[0054] like Figure 1 As shown, an assembled integral steel plate composite shear wall comprises a plurality of wall outer steel plates 4 with cavities which are sequentially spliced ​​from bottom to top;

[0055] In the cavity of the wall outer steel plate 4, there is a wall filling concrete 5 vertically inserted, and at least one end of the wall filling concrete 5 is narrowed and forms an indented portion and an extended portion in sequence, the indented portion is located inside the wall outer steel plate 4, and a cavity is left between the indented portion and the wall outer steel plate 4; the extended portion is located outside the wall outer steel plate 4; the indented portion and the extended portion are an integrally formed sheet structure.

[0056] In the two adjacent wall outer steel plates 4 spliced ​​together upper and lower, the protruding part of each wall filled with concrete 5 extends into the cavity of the other wall outer steel plate 4, and is staggered and engaged with the retracted part of the other wall filled with concrete 5; the retracted part, the protruding part and the side walls of the wall outer steel plates 4 are respectively provided with corresponding through holes and are connected by high-strength bolts.

[0057] like Figure 2 As shown, the wall outer steel plate 4 includes a second shear wall steel plate 13 located in the middle, end column steel plates 11 located at both ends, and a first shear wall steel plate 12 located between the end column steel plate 11 and the second shear wall steel plate 13; the thickness of the end column steel plate 11 is greater than the thickness of the first shear wall steel plate 12 and the second shear wall steel plate 13, the three are arranged horizontally and have the same height, and the outer surfaces are on the same plane; the cross-section of the first shear wall steel plate 12 and the second shear wall steel plate 13 is a C-shaped structure, and the cross-sectional structure of the second shear wall steel plate 13 is greater than the cross-sectional structure of the first shear wall steel plate 12.

[0058] like Figure 3-Figure 5 As shown, the wall filling concrete 5 includes column filling concrete 14, first shear wall filling concrete 15 and second shear wall filling concrete 16; the end column steel plate 11 is filled with column filling concrete 14, the first shear wall steel plate 12 is filled with first shear wall filling concrete 15, and the second shear wall steel plate 13 is filled with second shear wall filling concrete 16;

[0059] In the same wall outer steel plate 4, the extended parts of the column filled with concrete 14, the first shear wall filled with concrete 15 and the second shear wall filled with concrete 16 are staggered.

[0060] like Figure 6-Figure 9 As shown, it also includes a reinforcing plate, which covers two adjacent wall outer steel plates 4 spliced ​​up and down, and its height is greater than the sum of the heights of the indented portion and the protruding portion. The reinforcing plate is provided with through holes and is connected to the wall outer steel plates 4, the indented portion and the protruding portion by high-strength bolts. The through holes of the indented portion, the protruding portion, the wall outer steel plates 4 and the reinforcing plate all include transverse through holes 10 and longitudinal through holes 9. The reinforcing plate includes a transverse reinforcing plate 3 and a longitudinal reinforcing plate 7. The transverse reinforcing plate 3 is installed on the front and rear sides of the wall outer steel plate 4. The transverse reinforcing plate 3 is correspondingly provided with a transverse high-strength bolt 1 and a nut 8. The transverse reinforcing plate 3 is fixedly connected to the outer surface of the wall outer steel plate 4 through the transverse high-strength bolt 1. Bolt washers 2 are provided between the transverse reinforcing plate 3 and the transverse high-strength bolt 1, and between the transverse reinforcing plate 3 and the nut 8; the longitudinal reinforcing plate 7 is installed on the left and right sides of the wall outer steel plate 4. The longitudinal reinforcing plate 7 is correspondingly provided with a longitudinal high-strength bolt 6 and a nut 8. The longitudinal reinforcing plate 7 is fixedly connected to the outer surface of the wall outer steel plate 4 through the longitudinal high-strength bolt 6. Bolt washers 2 are provided between the longitudinal reinforcing plate 7 and the longitudinal high-strength bolt 6, and between the longitudinal reinforcing plate 7 and the nut 8 to ensure that the bolt connection is tight and that the steel plate connection is flat and seamless.

[0061] like Fig.10 As shown, the steel plate 4 outside the wall and the concrete 5 inside the wall are respectively combined to form the bottom composite shear wall 26, the middle composite shear wall 25 and the top composite shear wall 24, wherein the bottom composite shear wall 26 and the top composite shear wall 24 have the same structure and opposite directions, and the concrete 5 inside the wall is provided with a sheet structure at one end, and the other end is flush with the steel plate 4 outside the wall; both ends of the middle composite shear wall 25 are provided with sheet structures; the bottom composite shear wall 26, the middle composite shear wall 25 and the top composite shear wall 24 are spliced ​​in sequence from bottom to top. The sheet structures at both ends of the middle composite shear wall 25 are staggered. The height of the middle composite shear wall 25 is at least the height of two floors of the building, and the height of the bottom composite shear wall 26 and the top composite shear wall 24 is at least the height of one and a half floors of the building. The cross-sectional form of the assembled middle composite shear wall 25 is a straight line, an L shape, a T shape or a cross shape. Different cross-sectional forms are selected according to the different positions of the shear walls in the building.

[0062] The above-mentioned method for assembling an integral steel plate composite shear wall comprises the following steps:

[0063] like Fig.11 and Fig.12 As shown, the wall-filled concrete 5 is inserted into the multiple wall-outer steel plates 4 respectively. The specific operation is: first, the multiple wall-outer steel plates 4 are welded, that is, the end column steel plate 11 is welded with the first shear wall steel plate 12, and then the second shear wall steel plate 13 is welded to the first shear wall steel plate 12, and then different numbers of second shear wall steel plates 13 are welded according to the length of the shear wall, and finally, the end column steel plate 11 is welded after sealing with the first shear wall steel plate 12. The cavity of the wall-outer steel plate 4 also serves as the template of the main body of concrete inside the wall body, and then the connecting area formwork is supported. After the concrete is poured, the concrete inside the wall body and the concrete in the connecting area form a whole. The column-filled concrete template 21, the first shear wall-filled concrete template 22 and the second shear wall-filled concrete template 23 are set up in the different cavities formed by the end column steel plate 11, the first shear wall steel plate 12 and the second shear wall steel plate 13 in turn. Then, concrete is poured into the concrete formwork, and after curing for a specified time at a specified temperature and humidity, column filling concrete 14, first shear wall filling concrete 15 and second shear wall filling concrete 16 are formed, and the column filling concrete formwork 21, first shear wall filling concrete formwork 22 and second shear wall filling concrete formwork 23 are removed to form a complete assembled integral steel plate composite shear wall.

[0064] Multiple wall outer steel plates 4 are sequentially spliced ​​from bottom to top;

[0065] Among them, in the two adjacent wall outer steel plates 4 spliced ​​together upper and lower, the protruding part of each wall filled with concrete 5 extends into the cavity of the other wall outer steel plate 4, and is staggered and engaged with the retracted part of the other wall filled with concrete 5. The retracted part, the protruding part and the side walls of the wall outer steel plates 4 are respectively provided with corresponding through holes and are connected by high-strength bolts.

[0066] Multiple wall outer steel plates 4 are sequentially spliced ​​from bottom to top, including:

[0067] The bottom composite shear wall 26, the middle composite shear wall 25 and the top composite shear wall 24 are formed by combining the steel plate 4 outside the wall and the concrete 5 inside the wall;

[0068] like Fig.13As shown, the bottom composite shear wall 26 is hoisted and installed on the foundation of the structure using the high-strength bolts passing through the concrete filling 5 in the wall and the steel plate 4 outside the wall as the hoisting points, and then the middle composite shear wall 25 is hoisted and installed on the bottom composite shear wall 26, and the middle composite shear wall 25 is fixedly connected with the bottom composite shear wall 26 using the transverse reinforcement plate 3, the transverse high-strength bolts 1, the longitudinal reinforcement plate 7 and the longitudinal high-strength bolts 6. Then, according to the height requirements of the shear wall, multiple middle composite shear walls 25 are superimposed and installed on the bottom composite shear wall 26. Then the top composite shear wall 24 is hoisted and installed on the middle composite shear wall 25.

[0069] The step of sequentially splicing a plurality of wall outer steel plates 4 from bottom to top also includes:

[0070] like Fig.10 As shown, after the middle composite shear wall 25 is hoisted and installed on the bottom composite shear wall 26, the steel beam 27 is welded to the end column steel plate 11, and the floor slab 28 is overlapped on the steel beam 27, so that the shear wall connection is located in the middle of the floor. In addition, when the middle composite shear wall 25 is spliced ​​with the middle composite shear wall 25, and the middle composite shear wall 25 is spliced ​​with the top composite shear wall 24, the steel beam 27 and the floor slab 28 are also installed.

[0071] The main functions of the utility model are as follows: when in use, multiple wall outer steel plates 4 can be prefabricated in the factory, and the wall inner concrete 5 can be prefabricated according to the wall outer steel plates 4, and then the prefabricated wall outer steel plates 4 and the wall inner concrete 5 can be transported to the construction site for assembly. During assembly, the wall inner concrete 5 is inserted into each wall outer steel plate 4 and fixed with bolts, and then multiple wall outer steel plates 4 are spliced ​​in sequence from bottom to top, so that in the two wall outer steel plates 4 spliced ​​adjacent to each other, the protruding part of each wall inner concrete 5 is extended into the cavity of another wall outer steel plate 4, and is staggered and engaged with the indented part of another wall inner concrete 5; the indented part and the protruding part and the side wall of the wall outer steel plate 4 are respectively provided with corresponding through holes and connected by high-strength bolts, and the assembly construction can be completed. The assembly can be completed without welding and pouring concrete on site, reducing the difficulty of construction.

[0072] The above embodiments are preferred implementation modes of the present invention, but the implementation modes of the present invention are not limited by the above embodiments. Any other changes, modifications, substitutions, combinations, and simplifications that do not deviate from the spirit and principle of the present invention should be equivalent replacement methods and are included in the protection scope of the present invention.

Claims

1. An assembled integral steel plate composite shear wall, characterized in that: It includes multiple wall outer steel plates spliced ​​in sequence from bottom to top; In the wall outer steel plate, the wall inner concrete is vertically inserted, at least one end of the wall inner concrete is narrowed and forms an indented portion and an extended portion in sequence, the indented portion is located in the wall outer steel plate, and a cavity is left between the indented portion and the wall outer steel plate; The extension is located outside the steel plate on the wall; In the two adjacent wall outer steel plates spliced ​​together upper and lower, the protruding part filled with concrete in each wall extends into the cavity of the other wall outer steel plate, and is staggered and engaged with the retracted part filled with concrete in the other wall; the retracted part, the protruding part and the side walls of the wall outer steel plate are respectively provided with corresponding through holes and are connected by high-strength bolts.

2. The assembled integral steel plate composite shear wall according to claim 1, characterized in that: The wall outer steel plate includes a second shear wall steel plate located in the middle, end column steel plates located at both ends, and a first shear wall steel plate located between the end column steel plate and the second shear wall steel plate; The thickness of the end column steel plate is greater than the thickness of the first shear wall steel plate and the second shear wall steel plate, the three are arranged horizontally and at the same height, and the outer surfaces are on the same plane; The wall filling concrete includes column filling concrete, first shear wall filling concrete and second shear wall filling concrete; The end column steel plate is filled with concrete, the first shear wall steel plate is filled with concrete, and the second shear wall steel plate is filled with concrete; In the same wall clad with steel plates, the extensions of the columns filled with concrete, the first shear wall filled with concrete and the second shear wall filled with concrete are staggered.

3. The assembled integral steel plate composite shear wall according to claim 2, characterized in that: It also includes a reinforcing plate, which covers the outer wall steel plates of two adjacent upper and lower walls, and its height is greater than the sum of the heights of the indented portion and the protruding portion. The reinforcing plate is provided with through holes and is connected to the outer wall steel plates, the indented portion and the protruding portion by high-strength bolts.

4. The assembled integral steel plate composite shear wall according to claim 3, characterized in that: The through holes of the indented portion, the protruding portion, the wall outer steel plate and the reinforcing plate all include transverse through holes and longitudinal through holes.

5. The assembled integral steel plate composite shear wall according to claim 4, characterized in that: The retracted portion and the extended portion are an integrally formed sheet structure.

6. The assembled integral steel plate composite shear wall according to claim 5, characterized in that: The steel plate outside the wall and the concrete inside the wall are combined to form the bottom composite shear wall, the middle composite shear wall and the top composite shear wall respectively. The bottom composite shear wall and the top composite shear wall have the same structure. One end of the concrete inside the wall is provided with a sheet structure, and the other end is flush with the steel plate outside the wall; both ends of the middle composite shear wall are provided with sheet structures; The bottom composite shear wall, the middle composite shear wall and the top composite shear wall are spliced ​​in sequence from bottom to top.

7. The assembled integral steel plate composite shear wall according to claim 6, characterized in that: The positions of the sheet structures at both ends of the middle composite shear wall are staggered.

8. The assembled integral steel plate composite shear wall according to claim 7, characterized in that: The height of the middle composite shear wall shall be at least two stories high, and the height of the bottom composite shear wall and the top composite shear wall shall be at least one and a half stories high.

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