CN211949045U - A steel-concrete composite connection multi-layer prefabricated steel-concrete shear wall structure - Google Patents

Abstract

The utility model discloses a steel-concrete composite connection multi-layer prefabricated steel-concrete shear wall structure, wherein a connection interface is arranged on the outer flange of the end beam at the upper end or the lower end of the multi-layer prefabricated steel-concrete shear wall structure; One end of the beam is provided with a connecting steel plate seat corresponding to the connecting interface, the distance between the connecting steel plate seat and the connecting interface is between 0.3 and 0.5 meters, and concrete is not pre-cast; the precast concrete and the end beam The position corresponding to the mounting hole on the outer flange is provided with a process slot for mounting bolts or nuts; both ends of the beam are provided with T-shaped beam brackets and connecting steel plates, and bolt holes are provided on the beam fixing seat and the connecting steel plates ; The multi-layer prefabricated steel concrete shear wall structure further comprises an L-shaped connecting piece, and the L-shaped connecting piece is provided with a bolt hole. The multi-layer prefabricated steel concrete shear wall structure of the utility model has a high degree of factory prefabrication and less on-site wet work. The prefabricated steel-concrete shear walls are fully bolted between and with the surrounding steel beams, and the on-site construction speed is fast. It has good seismic performance and can be used in areas with high seismic intensity, and the structure is suitable for high height.

Description

A steel-concrete composite connection multi-layer prefabricated steel-concrete shear wall structure

technical field

The utility model relates to the technical field of construction engineering, in particular to a steel-concrete composite connection multi-layer prefabricated steel-concrete shear wall structure and a preparation and construction method thereof.

Background technique

Prefabricated buildings are the direction of transformation and upgrading of the construction industry, and are an emerging sunrise industry vigorously promoted by the country. Residential buildings are the focus of the development of prefabricated buildings, and then there is still a lack of suitable residential building structural systems. Reinforced grouting sleeve shear walls are due to high factory production requirements, low efficiency, high construction requirements, frequent connection quality problems, and high costs. Questioned by the industry, some areas even prohibit the use of prefabricated components for vertical components.

Residential buildings have the functional characteristics of complex functions, high requirements for use (such as no exposed beams and columns), high requirements for safety, high requirements for energy saving, thermal insulation, sound insulation and fire protection, and difficult maintenance during the service period. At the same time, residential buildings are characterized by a large volume and wide area, huge construction volume, commercial housing dominated by developers and government-led affordable housing, and are more sensitive to cost. The functional characteristics and market characteristics of residential buildings determine that the development of residential structural systems is difficult, and it needs to meet strict cost control, high functional requirements, no exposed steel components (including beams, columns, supports, and gusset plates), thermal insulation, sound insulation, Good seismic performance and many other requirements.

In the domestic market environment and industrial development, the industry lacks a residential structure system with perfect industrialization characteristics, which is the core technical problem of the prefabricated construction industry.

Utility model content

The purpose of the utility model is to provide a novel and unique structure, easy to use, and can effectively avoid many on-site wet operations, low construction efficiency, high cost, and the difficulty of on-site construction for steel grouting sleeve connection, difficult quality assurance and high cost. The multi-layer prefabricated steel concrete shear wall structure in question; the specific technical scheme is:

A steel-concrete composite connection multi-layer prefabricated steel-concrete shear wall structure includes a steel bar structure and prefabricated concrete; the steel bar structure includes horizontally distributed vertical steel bars and longitudinally distributed horizontal steel bars; the multi-layer prefabricated steel-concrete shear wall The height of the structure is higher than the height of one floor; the reinforced structure also includes a number of beams and a number of columns; the beams and the columns are both made of section steel; the top surface of the beam is the same height as the bottom surface of the floor; the Reinforcement holes are opened on the column web near the outer flange, and the left and right ends of the horizontal reinforcement are respectively bent and passed through the reinforcement holes opened on the column web. After concrete is poured, a combined connection is formed to transmit the internal force of the horizontally distributed reinforcement; The prefabricated concrete is arranged in sections, and the position corresponding to each floor slab is provided with a reserved pouring section; the prefabricated concrete is arranged between the outer flanges of the two columns; the reinforced structure is in the reserved pouring section between each layer of precast concrete. It is characterized in that the outer flange of the end beam at the upper end or the lower end of the multi-layer prefabricated steel concrete shear wall structure is provided with a connection interface; the end without the beam is provided with a connection corresponding to the connection interface Steel plate seat, the distance between the connecting steel plate seat and the connection interface is between 0.3 and 0.5 meters, and no pre-cast concrete is required; the pre-cast concrete is provided with a mounting hole corresponding to the position of the mounting hole on the outer flange of the end beam. Process grooves for bolts or nuts; both ends of the beam are provided with T-shaped beam brackets and connecting steel plates, and bolt holes are provided on the beam fixing base and the connecting steel plates; the multi-layer prefabricated steel concrete shear wall structure also includes An L-shaped connecting piece is provided with bolt holes.

Further, the reinforced concrete is poured into a densely ribbed reinforced concrete structure.

Further, the height of the pouring reserved section is not greater than the thickness of the floor slab of this floor.

Further, the height of the connecting steel plate seat is 150mm˜300mm.

Further, the width of the inner flange of the column is 20 to 30 mm smaller than the width of the outer flange, and the thickness of the precast concrete is the same as the width of the outer flange of the column.

The utility model also provides a method for preparing the above-mentioned multi-layer prefabricated steel-concrete shear wall structure, comprising the following steps:

1) In the factory, the beams and columns made of profiled steel are welded into a steel frame, one end of the steel frame is provided with an end beam, and the outer flange plate of the end beam is provided with bolt mounting holes, which are welded and connected. The other end of the column is welded with a connecting steel plate seat at a distance of 0.3 to 0.5 meters from the end face; the column web is provided with reinforcement holes near the outer flange.

2) Place the steel frame on the mold table; fix the horizontal steel bars and vertical steel bars on the steel frame; bend the two ends of the horizontal steel bars respectively and pass through the steel bar holes opened on the web of the upright column, and place the vertical steel bars on the steel frame. After bending to both ends of the steel bars, they pass through the steel holes on the central rib of the end beam at the end of the steel frame and on the rib of the connecting steel plate seat respectively, or are welded to the end beam rib and the rib respectively. the said connecting steel plate seat rib;

3) There is a pouring reserved section corresponding to the position of each floor slab; pour concrete between the two columns, and vibrate at the same time;

4) Concrete curing is carried out after the pouring is completed.

Further, it also includes the following steps:

The step 1) also includes welding stiffeners between the column flanges in the beam-column joint region.

Further, the step 1) also includes welding the T-shaped beam brackets and connecting steel plates of the beam at both ends of the beam, and processing the L-shaped connector.

The utility model also discloses the construction method of the above-mentioned multi-layer prefabricated steel concrete shear wall structure, which comprises the following steps:

1) Install the next layer of multi-layer prefabricated steel concrete shear wall structure; fix it with temporary supports, connect the T-shaped beam brackets and connecting plates at both ends of the beam of the multi-layer prefabricated steel concrete shear wall structure to the lower flanges of the surrounding steel beams respectively. Connect with the web, and set the L-shaped connector to connect with the upper flange of the surrounding steel beam and the connecting steel plate seat respectively;

2) Install the horizontal floor slabs of each layer in the next layer of multi-layer prefabricated steel-concrete shear wall structure, and set the reinforcement bars of each layer of horizontal floor slabs in sequence;

3) Pouring the superimposed layer concrete of each floor slab and pouring the reserved section;

4) Connect the end connection interface between the upper and lower multi-layer prefabricated steel concrete shear wall structures and the connecting steel plate seat through longitudinal steel bars, and connect the connecting steel plate seat and the surrounding steel beams;

5) Set horizontally distributed steel bars in the pouring reserved section at the connection, and pour the pouring reserved section at the connection;

6) Install the horizontal prefabricated floor slabs in each layer of the multi-layer prefabricated steel-concrete shear wall structure on the upper floor, and set up the reinforcement bars of the horizontal floor slabs;

7) Pouring concrete to fill the floor;

Repeat steps 1) to 7) until all layers of multi-layer prefabricated steel-concrete shear wall structures are installed.

Further, the cross beam and the L-shaped connecting piece are connected with the surrounding steel beam by high-strength bolts.

The utility model utilizes the built-in steel frame as the load-bearing skeleton during construction, realizes that multiple structural layer heights are used as a prefabricated unit, greatly reduces the number of connecting joints, and can greatly improve the construction efficiency. The steel-concrete shear wall structure has good seismic performance and can be used in high-intensity areas, and the structure is suitable for high height.

Description of drawings

Fig. 1 is the structural representation of the multi-layer prefabricated steel-concrete shear wall structure of the utility model;

2 is a schematic diagram of the internal structure of the multi-layer prefabricated steel-concrete shear wall structure of the present utility model;

FIG. 3 is an assembly schematic diagram of a multi-layer prefabricated steel-concrete shear wall structure.

In the figure: 1. Steel beam; 101. Connection interface of steel beam; 2. Steel column; 3. Horizontal steel bar; 4. Vertical steel bar; 501. Connecting steel plate seat; 6. T-shaped beam support; 7. Concrete; Connecting plate; 9. L-shaped connecting plate; 10. T-shaped connecting bottom corner; 11. Peripheral steel beam; A, upper shear wall structure; B, lower shear wall structure.

Detailed ways

The present utility model will be described more comprehensively below by using the embodiments. The present invention may be embodied in many different forms and should not be construed as limited to the exemplary embodiments described herein.

For ease of description, spatially relative terms such as "upper," "lower," "left," "right," and the like may be used herein to describe the relationship of one element or feature shown in the figures to another element or feature. It should be understood that, in addition to the orientation shown in the figures, spatial terms are intended to encompass different orientations of the device in use or operation. For example, if the device in the figures is turned over, elements described as "below" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "lower" can encompass both upper and lower positions. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative references used herein interpreted accordingly.

As shown in FIG. 1 , the multi-layer prefabricated steel-concrete shear wall structure in this embodiment includes concrete 7 and a steel bar structure. When pouring, the concrete 7 of the entire shear wall is not poured as a whole; it is poured in sections. Concrete 7 is provided with a reserved pouring section at the position of the floor slab on the corresponding floor. The reinforcing bars of the floor or only the reinforcing bars of the upper layer are extended into and anchored in the pouring reserved section between the precast concrete layers, and are poured with the floor slab and the precast steel concrete shear wall on site. Together, it improves the structural strength and integrity of the building. The concrete 7 does not cover the outer flange plates of the two uprights 2, and the outer flange plates of the two uprights 2 are used as frames. The shear wall in the figure adopts a dense rib structure, and autoclaved aerated concrete blocks are filled between the dense ribs to reduce weight and facilitate on-site hoisting; at the same time, it can improve the thermal insulation performance of the structure, reduce the amount of concrete, and reduce costs and earthquakes The second line of defense damages the role of energy consumption.

The width of the inner flange of the column is 20 to 30 mm smaller than the width of the outer flange, which is convenient for laying horizontal steel bars 3.

As shown in FIG. 2 , the reinforcement structure includes vertical reinforcement bars 4 distributed horizontally and horizontal reinforcement reinforcement bars 3 distributed longitudinally. In order to improve the strength, stiffness, ductility and easy connection of the shear wall structure, the reinforced structure also includes a steel frame composed of several layers of steel beams 1 and several steel columns 2; the steel frame can be arranged by floor. The steel bar structure passes continuously in the pouring reserved section between each layer of precast concrete, which reduces the number of connecting joints and simplifies the construction process. The vertical steel bars 4 penetrating up and down can improve the strength and integrity of the multi-layer prefabricated steel-concrete shear wall structure. A connection structure is arranged in the pouring reserved sections at the upper and lower ends of the multi-layer prefabricated steel concrete shear wall structure; through the connection structure, several shear wall structures can be conveniently connected up and down, which is suitable for multi-layer or high-rise buildings.

The multi-layer prefabricated steel-concrete shear wall structure can be in the form of in-line, T-shaped, L-shaped or cross-shaped; diagonal supports can also be set between the steel beam 1 and the steel column 2; the strength of the steel frame can be improved.

The bottom of the connecting steel plate seat 501 is a steel plate seat, and the thickness is not less than 10mm; a number of bolt mounting holes are opened on the steel plate seat. A central stiffening rib is vertically welded along the length direction, and a plurality of auxiliary stiffening ribs perpendicular to the central stiffening rib are arranged along the length direction of the central stiffening rib. The position of the auxiliary stiffener corresponds to the setting position of the vertical steel bar 4; the vertical steel bar 4 can be welded on the side of the steel plate of the auxiliary stiffener, and the force of the vertical steel bar 4 is transmitted to the connecting steel plate seat.

A T-shaped beam support 6 is welded on the upright column 2, which is used to support the peripheral beam during hoisting. Bolt holes are provided on the top plate of the T-shaped beam support 6, and the beam support 6 is fixedly connected with the lower flange of the peripheral beam through bolts.

An L-shaped connecting plate 9 can also be provided. The bottom plate and the side plate of the L-shaped connecting plate 9 are provided with bolt holes, and the L-shaped connecting plate 9 is fixedly connected with the upper flange of the column 2 and the peripheral beam through bolts. A stiffening rib can be arranged between the bottom plate and the side plate of the L-shaped connecting plate 9 to improve the connection strength.

It is also possible to weld the connecting plate 8 on the upright column 2 between the upper flange and the lower flange of the peripheral beam, and use bolts to fix the connecting plate 8 to the web of the peripheral beam.

The connecting steel plate seat 501 is about 0.3~0.5 meters away from the bottom end; circular holes are opened on the steel column web of the embedded steel frame and the steel beam at the connection point. The connecting piece realizes the joint work of the partially embedded steel frame and the concrete. Connecting steel plates are reserved in the connection area, and the connecting steel plates are provided with round holes. During construction, connecting steel bars are inserted. After pouring concrete, PBL shear connectors are formed to realize the force transmission of the vertical steel bars of the shear wall between the upper and lower prefabricated units.

The bottom end of the column 2 can be welded with a T-shaped connection bottom corner 10 . The bottom corner 10 of the T-shaped connection is fixedly connected to the upper flange of the peripheral beam by means of bolts.

The height of the web of the beam 1 should be as consistent as possible with the height of the web of the surrounding beams. Between the left and right flanges of the column, the corresponding positions of the upper and lower flange plates of the beam 1 should be welded with stiffeners to improve the support strength of the column 2.

In order to facilitate connection with each floor slab and improve the integrity of the structure, the height of the pouring reserved section is not greater than the thickness of the floor slab on this floor.

In order to improve the connection strength of the upper shear wall structure A and the lower shear wall structure B; the height of the connecting steel plate seat is 150mm to 300mm.

The multi-layer prefabricated steel-concrete shear wall structure is prepared by the following methods:

1) In the factory, the beam 1 made of profiled steel and the steel column 2 are welded into a steel frame, and the upper end of the steel column 2 is welded to the end beam; the upper end of the beam is welded and connected; the distance from the lower end surface is welded between 0.3~0.5m Steel plate seat 501; T-shaped connection bottom corner 10 is welded at the lower end; T-shaped beam support 6 and connecting plate 8 are welded on the side of column 2; If necessary, stiffeners can be welded between column flanges in the beam-column joint area;

2) Pour concrete outer blades (not shown in the figure), set up thermal insulation connectors (not shown in the figure) on the concrete outer blade, and carry out maintenance;

3) After the concrete outer blade is cured, place it on the mold table, place an insulation layer (not shown in the figure) on the outer blade, and the insulation connector penetrates the insulation layer; if no insulation layer or insulation is required layer and outer blade, step 2) and step 3) can be omitted;

4) Put the steel frame on the mold table; fix the horizontal steel bar 3 and the vertical steel bar 4 on the steel frame; bend the two ends of the horizontal steel bar 3 respectively and pass through the steel hole opened on the column web, and the vertical steel bar After the upper end of 4 is bent, it passes through the reinforcement hole opened on the central rib of the end beam, and the lower end of the vertical reinforcement 4 is bent and passes through the reinforcement hole opened on the rib of the connecting steel plate seat 501;

5) There is a pouring reserved section corresponding to the position of each floor slab; the two inner flange plates are used as side molds to pour concrete between the two columns 2, and vibrate at the same time; The position should be provided with a process slot for installing bolts or nuts, so as to facilitate the installation of bolts or nuts;

6) Concrete curing is carried out after the pouring is completed. A pouring reserved section is left in the middle of the poured concrete 7 for on-site pouring. Prefabricated concrete blocks 7 surround the steel frame in sections.

The end beams can also be arranged below, and the connecting steel plate seat 501 can be arranged above.

As shown in Figure 3, after the multi-layer prefabricated steel-concrete shear wall structure is transported to the site, it is installed by the following methods:

1) Install the lower shear wall structure B; fix it with temporary supports, connect the T-shaped beam brackets 6 and connecting plates 8 at both ends of the steel beam 1 of the multi-layer prefabricated steel concrete shear wall structure to the lower flanges of the surrounding steel beams 11 respectively. Connect with the web, set the L-shaped connector 9 to connect with the upper flange of the surrounding steel beam 11; connect the connection interface 101 and the connecting steel plate seat 50101 through longitudinal steel bars;

2) Install the horizontal floor slabs of each layer in the multi-layer prefabricated steel-concrete shear wall structure, and set the reinforcement bars of the horizontal floor slabs in sequence;

3) Pouring the superimposed layer concrete and pouring reserved section of each floor slab of the lower shear wall structure B;

4) Connect the connecting steel plate seat 501 at the lower end of the upper shear wall structure A and the end beam at the upper end of the lower shear wall structure B with high-strength bolts, and connect the connecting steel plate seat to the surrounding steel beams 11;

5) Set horizontally distributed steel bars in the pouring reserved section at the connection, and pour the pouring reserved section at the connection;

6) Install the horizontal prefabricated floor slab of the upper shear wall structure A, and set the horizontal floor slab reinforcement in sequence;

7) Pouring concrete to fill the floor;

Complete the installation of the upper shear wall structure A and the lower shear wall structure B; repeat steps 1) to 7) until all shear wall structures are installed.

Compared with the prior art, the prefabricated reinforced concrete shear wall structure can only use one structural layer height as a prefabricated unit, resulting in a large number of connection joints and low construction efficiency; the utility model utilizes a built-in steel frame as a load-bearing skeleton during construction. , realizing that multiple structural layer heights are used as a prefabricated unit, which greatly reduces the number of connecting joints and can greatly improve the construction efficiency. The surrounding steel frame columns are made of hot-rolled H-section steel, which is convenient for full bolt connection with the steel beams; the surrounding steel frame columns are of the same thickness as the shear wall, and the shear wall has a stronger out-of-plane bending bearing capacity and is more convenient to connect with the steel beams . The web and inner flange of the surrounding steel frame column and the inner side of the outer flange are covered in concrete, which greatly reduces the area of anti-corrosion and fire-proof coating and saves the cost of anti-corrosion coating. The outer sides of the outer flanges of the peripheral steel frame columns are exposed to the concrete for easy connection with the peripheral steel beams. The vertical connection of prefabricated reinforced concrete shear wall structure usually adopts steel lap or grouting sleeve connection. This connection method requires high processing accuracy of prefabricated components and is difficult to construct on site. Sleeve grouting is a concealed project, and the quality of grouting is difficult. Guaranteed, and the cost of the steel bar connection sleeve is high. The utility model: 1) The upper section of the prefabricated shear wall is used to connect the steel plate seat and the lower section of the prefabricated shear wall surrounding steel frame is connected by high-strength bolts, which avoids the problem of vertical steel bar connection; 2) The prefabricated shear wall of the present utility model is connected It is connected with the steel beam by high-strength bolts, and the upper section of the prefabricated shear wall is connected to the steel plate seat, which not only plays the role of connecting the upper and lower prefabricated shear walls, but also plays the role of connecting with the steel beam. Due to the high processing precision of the steel structure, the connection method of the utility model can ensure the quality of the on-site construction; at the same time, the connection method has no hidden works, and the quality is easy to guarantee. The shear wall of the utility model has horizontal distribution steel bars and vertical distribution steel bars, and the steel bars between the upper and lower prefabricated shear walls are connected with the built-in steel frame or the connecting steel bar seat through the perforated steel plate. The transmission of force avoids welding, which greatly facilitates factory processing, saves welding procedures, and is easy to ensure quality, avoiding the insufficiency of welding connection quality that is difficult to control. The peripheral steel frame of the utility model can be used as a load-bearing skeleton during installation, a connecting piece connected with the installation unit on the upper floor and the peripheral steel beam 11, and can restrain the concrete at the same time, and bear the load together with the reinforced concrete part, and the structural bearing capacity is higher. It has better seismic performance and can be applied to areas with high seismic intensity.

The steel-concrete composite connection multi-layer prefabricated steel-concrete shear wall structure and its preparation and construction method according to the utility model have:

(1) The factory has a high degree of prefabrication and less wet work on site. The multi-layer prefabricated steel-concrete shear wall structure is prefabricated as a whole in the factory with multiple structural layer heights as an installation unit, and the number of joints is reduced by 2/3, which greatly improves the on-site work efficiency.

(2) There are no ribs at the end of the prefabricated shear wall, which is convenient for industrial production and has high production efficiency.

(3) Assembly construction, the construction efficiency is significantly improved. The multi-layer prefabricated steel-concrete shear wall structure and the steel beam and the upper layer of the multi-layer prefabricated steel-concrete shear wall structure are connected by full bolts. The on-site construction speed is fast, and the construction efficiency can be increased by 3 times.

(4) Good anti-corrosion and fire-proof performance and low cost. Most of the steel structure in the multi-layer prefabricated steel concrete shear wall structure is covered in concrete, which has good anti-corrosion and fire-proof performance, and the cost of anti-corrosion and fire prevention is greatly reduced.

(5) Integration of structure, enclosure, heat preservation and decoration. The multi-layer prefabricated steel-concrete shear wall structure not only plays the function of structural load-bearing, but also plays the function of building envelope. At the same time, the thermal insulation layer can be compounded with the multi-layer prefabricated steel-concrete shear wall structure in the factory. It can realize the effect of fair-faced concrete and decorative concrete, realize the integration of structure, enclosure, heat preservation and decoration, with lower cost and better heat preservation performance.

(6) The dense rib structure reduces the amount of concrete by more than 40%, saves concrete materials, and reduces costs. At the same time, the autoclaved aerated concrete blocks filled between the dense ribs improve the thermal insulation performance of the structure, and can pass autoclaved during earthquake resistance. Damage to aerated concrete blocks consumes seismic energy.

(7) Good seismic performance, good seismic performance of the steel-concrete shear wall structure, suitable for high-intensity areas, and high structural application height.

And many other advantages, it can be applied to multi-high-rise steel structure buildings, especially steel structure houses, and has a good prospect of promotion and application.

The above examples are only used to illustrate the present invention. In addition, there are many different implementations, and these implementations can be thought of by those skilled in the art after comprehending the idea of the present invention. List them one by one.

Claims (5)

1. A steel concrete composite connection multilayer prefabricated section steel concrete shear wall structure comprises a steel bar structure and prefabricated concrete; the steel bar structure comprises horizontally distributed vertical steel bars and longitudinally distributed horizontal steel bars; the height of the multilayer prefabricated section steel concrete shear wall structure is higher than that of one layer; the steel bar structure also comprises a plurality of cross beams and a plurality of upright posts; the cross beam and the upright post are both made of section steel; the top surface of the beam is consistent with the bottom surface of the floor slab in height; the left end part and the right end part of the horizontal reinforcing steel bar respectively penetrate through reinforcing steel bar holes formed in the web plates of the upright posts after being bent; the precast concrete is arranged in sections, and a pouring reserved section is arranged at a position corresponding to each floor slab; the precast concrete is arranged between the flanges at the outer sides of the two stand columns; the reinforcing steel bar structure continuously passes through the pouring reserved section between each layer of precast concrete; the connecting structure is characterized in that a connecting interface is arranged on the flange of the outer side of the end cross beam at the upper end or the lower end of the multilayer prefabricated steel reinforced concrete shear wall structure; one end without the cross beam is provided with a connecting steel plate seat corresponding to the connecting interface, the distance between the connecting steel plate seat and the connecting interface is 0.3-0.5 m, and concrete is not poured in advance; a process groove for mounting bolts or nuts is arranged at a position, corresponding to the mounting hole on the flange on the outer side of the end beam, of the precast concrete; the two ends of the cross beam are provided with a T-shaped beam support and a connecting steel plate, and bolt holes are formed in the cross beam fixing seat and the connecting steel plate; the multilayer prefabricated section steel concrete shear wall structure further comprises an L-shaped connecting piece, and bolt holes are formed in the L-shaped connecting piece.

2. The multi-layered prefabricated section steel concrete shear wall structure of claim 1, wherein the reinforced concrete casting is a ribbed reinforced concrete structure; and autoclaved aerated concrete blocks are filled among the dense ribs.

3. The multi-layered prefabricated section steel concrete shear wall structure of claim 1, wherein the height of the pouring reservation is not more than the thickness of the floor of the current floor.

4. The multi-layered prefabricated section steel concrete shear wall structure of claim 1, wherein the height of the connection steel plate base is 50mm to 150 mm.

5. The structure of the multi-layered prefabricated section steel concrete shear wall of claim 1, wherein the inner flange width of the column is 20 to 30mm smaller than the outer flange width, and the thickness of the precast concrete is the same as the outer flange width of the column.

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