Prefabricated shear wall and building room module including same

Abstract

Provided in the present invention are a prefabricated shear wall and a building room module including same. The prefabricated shear wall comprises a lightweight formwork assembly, a steel skeleton and embedded columns, wherein the steel skeleton comprises a plurality of horizontal connecting members arranged in parallel in the direction of the height of the prefabricated shear wall and a plurality of vertical reinforcing bars penetrating the horizontal connecting members, the horizontal connecting members being configured to provide the stiffness for the building room module when the prefabricated shear wall serves as a wall structure of the building room module. For the prefabricated shear wall and the building room module including same provided in the embodiments of the present invention, using the lightweight formwork assembly can greatly reduce the amount of steel used and the weight of the shear wall, thereby avoiding corrosion prevention and electron shielding problems. Moreover, because the horizontal connecting members and the vertical reinforcing bars are used in the steel skeleton, the problem of a traditional reinforcement cage skeleton structure being difficult to connect to a lightweight formwork assembly and embedded columns is solved; and when the prefabricated shear wall serves as a prefabricated part of a wall structure of the building room module, the horizontal connecting members can provide enough stiffness for the building room module after concrete pouring.

Description

Prefabricated shear wall and building room module containing the same

[0001] CROSS-REFERENCE TO RELATED APPLICATIONS

[0002] This application is based on the Chinese patent application with application number 202311634388.6 and application date of November 30, 23, and claims the priority of the Chinese patent application. The entire content of the Chinese patent application is hereby introduced into this application as a reference. Technical Field

[0003] The present invention relates to the field of building technology, in particular to a prefabricated shear wall and a building room module comprising the same. Background Art

[0004] Modular buildings, constructed using steel-concrete composite structures, are currently a high-end product of industrialized construction, boasting a high degree of integrity and widespread popularity. However, their structure typically utilizes reinforced concrete shear walls formed by double-layered steel plates, resulting in high steel consumption. This not only presents corrosion and electrical shielding issues, but also poses a low consumer acceptance for residential use.

[0005] Summary of the Invention

[0006] To solve the above problems, an object of the embodiments of the present invention is to provide a prefabricated shear wall and a building room module including the same.

[0007] In the first aspect, an embodiment of the present invention provides a prefabricated shear wall, characterized in that it includes: a lightweight formwork assembly, a steel frame and a hidden column; the lightweight formwork assembly has a casting cavity, the steel frame is located in the casting cavity, and is fixedly connected to the lightweight formwork assembly and the hidden column, respectively; the steel frame includes: a plurality of horizontal connecting members arranged in parallel along the height direction of the prefabricated shear wall, and a plurality of vertical steel bars running through the horizontal connecting members; each of the horizontal connecting members is connected to the hidden column at both ends and the lightweight formwork assembly on both sides, and the horizontal connecting members are used to provide stiffness to the building room module when the prefabricated shear wall serves as the wall structure of the building room module.

[0008] Optionally, the material of the lightweight formwork component includes: cement fiber material.

[0009] Optionally, the lightweight formwork assembly includes: an inner formwork and an outer formwork that are arranged opposite to and in parallel; the cavity between the inner formwork and the outer formwork is the casting cavity.

[0010] Optionally, both the inner formwork and the outer formwork include a plurality of wall panels, and the plurality of wall panels are used to be spliced ​​together to form the inner formwork or the outer formwork.

[0011] Optionally, the plurality of wall panels are laid in a manner such that their length directions are consistent with the height directions of the prefabricated shear walls.

[0012] Optionally, the prefabricated shear wall further comprises: a plurality of groups of reinforcement components arranged on the opposite side surfaces of the inner formwork and the outer formwork; each group of the reinforcement components comprises: reinforcement steel members respectively fixedly arranged on both sides of the horizontal seam of the wall panel.

[0013] Optionally, the prefabricated shear wall further includes: a connecting member; one side of the horizontal connecting member is fixedly connected to the inner formwork via the connecting member, and the other side of the horizontal connecting member is fixedly connected to the outer formwork via the connecting member.

[0014] Optionally, the horizontal connecting member includes: angle steel, channel steel or flat steel plate.

[0015] Optionally, a reserved hole for accommodating the vertical steel bars is opened on the surface of the horizontal connecting member.

[0016] Optionally, the prefabricated shear wall further comprises: a tongue and groove assembly fixedly arranged at the end edge of the prefabricated shear wall; the tongue and groove assembly is used to seal the joint between two adjacent prefabricated shear walls.

[0017] Optionally, the tongue and groove assembly includes: a first tongue and groove component arranged on the upper inner edge of the lightweight formwork assembly, and a second tongue and groove component arranged on the lower edge of the prefabricated shear wall; the shapes of the first tongue and groove component and the second tongue and groove component match each other; and / or, the tongue and groove assembly includes: a third tongue and groove component arranged on the left inner edge of the lightweight formwork assembly, and a fourth tongue and groove component arranged on the right edge of the prefabricated shear wall; the shapes of the third tongue and groove component and the fourth tongue and groove component match each other.

[0018] Optionally, the tongue and groove assembly further includes: a fixing piece, wherein the fixing piece is used to penetrate the tongue and groove assemblies that are spliced ​​together.

[0019] Optionally, the concealed column includes: a steel column body, an inner core column and a sleeve assembly; the steel column body includes relative bottom and top ends, the sleeve assembly is fixedly connected to the bottom end of the steel column body, and is used to be sleeved with the inner core column of the prefabricated shear wall adjacent to the lower floor, the inner core column is fixedly connected to the top end of the steel column body, and the inner core column protrudes from the top of the steel column body, and is used to be inserted into the sleeve assembly of the adjacent prefabricated shear wall of the upper floor to form a nest.

[0020] Optionally, the sleeve assembly includes: a steel column body with multiple welding grooves on the side wall, and an anti-pull-out connection assembly; the anti-pull-out connection assembly is fitted on the inner side wall of the steel column body, and the anti-pull-out connection assembly and the steel column body are welded and fixed at the welding groove position.

[0021] Optionally, one side of the anti-pull-out connection component has a concave-convex shape to form a plurality of anti-pull-out structures extending along a preset direction, and the side of the anti-pull-out connection component facing away from the anti-pull-out structure is attached to the inner side wall of the steel column body; the preset direction has an angle with the axial direction of the steel column body.

[0022] Optionally, the pull-out resistant connection assembly is a hollow cylindrical structure, comprising a plurality of beams extending along a preset direction; the welding groove corresponds to at least part of the beams, and the preset direction has an angle with the axial direction of the steel column body.

[0023] Optionally, the outer side wall of the inner core column is provided with a ridge extending along a preset direction, and the preset direction forms an angle with the axial direction of the steel column body.

[0024] Optionally, a first plug-in slot is provided at the lower ends of the opposite side walls of the inner core column, and a second plug-in slot is provided at the upper ends of the opposite side walls of the steel column; the hidden column also includes: a plug-in plate; the plug-in plate is used to insert into the first plug-in slot and the second plug-in slot to fix the inner core column to the steel column.

[0025] Optionally, a positioning cone is provided on the top of the inner core column, and a positioning cavity for accommodating the positioning cone is provided on the inner wall of the sleeve assembly.

[0026] Optionally, limiting steel bars are inserted into the outer wall surfaces of the diagonal top corners of the inner core column, and the limiting steel bars are arranged along the diagonal extension direction of the diagonal line in the cross section of the inner core column.

[0027] In a second aspect, an embodiment of the present invention further provides a building room module, characterized in that it comprises: at least one prefabricated shear wall as described above, a prefabricated top plate fixedly connected to the prefabricated shear wall, and concrete poured in the pouring cavity of the prefabricated shear wall and in the prefabricated top plate.

[0028] In the solution provided in the first aspect of the embodiment of the present invention, by replacing the double-layer steel plate with a lightweight formwork assembly, it can not only be used as a template during the construction phase, but also greatly reduces the amount of steel used in the shear wall, reduces its overall weight, avoids corrosion and electronic shielding problems, and is relatively well accepted by consumers when used as a residential building. Secondly, since horizontal connecting members are used in the steel frame to replace the traditional steel cage frame structure composed of horizontal steel bars, the horizontal connecting members can provide sufficient support for the prefabricated shear wall. Therefore, there is no need to add horizontal steel bars inside the steel frame. The prefabricated shear wall provided by the embodiment of the present invention only needs to be configured with vertical steel bars. In addition, based on the use of horizontal connecting members, the embodiment of the present invention further solves the problem that the traditional steel cage frame structure is difficult to connect with the lightweight formwork assembly and the hidden column; and the horizontal connecting member is sufficient to ensure the rigidity of the prefabricated shear wall during the transportation and hoisting stages, and it is not easy to twist, so that the lightweight formwork assembly used will not be damaged during transportation. At the same time, when the prefabricated shear wall is used as a prefabricated part of the wall structure of a building room module, the horizontal connecting member can provide sufficient rigidity for the building room module after pouring the concrete, so that the building room module with the shear wall forms a self-supporting system, and its overall structure is more stable.

[0029] In the solution provided in the second aspect of the embodiment of the present invention, the constructed building room module can further provide sufficient rigidity and force for the building room module after pouring based on the horizontal connecting members inside the prefabricated shear wall used.

[0030] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, preferred embodiments are given below and described in detail with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0032] FIG1 shows a schematic structural diagram of a prefabricated shear wall provided by an embodiment of the present invention;

[0033] FIG2a shows a top cross-sectional view of a concealed column of a special-section steel tube composite column structure formed by combining rectangular steel tubes in a prefabricated shear wall provided by an embodiment of the present invention;

[0034] FIG2 b shows a top cross-sectional view of a concealed column formed by an assembly of I-beams in a prefabricated shear wall provided by an embodiment of the present invention;

[0035] FIG2c shows a top cross-sectional view of a concealed column of a composite column structure formed of channel steel in a prefabricated shear wall provided by an embodiment of the present invention;

[0036] FIG2 d shows a top cross-sectional view of a hidden column formed by edge steel columns in a prefabricated shear wall provided by an embodiment of the present invention;

[0037] FIG2e shows a top cross-sectional view of a hidden column of a special-section steel column structure formed by steel columns in a prefabricated shear wall provided by an embodiment of the present invention;

[0038] FIG3 shows a schematic diagram of a first structure of an inner formwork or an outer formwork in a prefabricated shear wall provided by an embodiment of the present invention;

[0039] FIG4 shows a second structural schematic diagram of an inner formwork or an outer formwork in a prefabricated shear wall provided by an embodiment of the present invention;

[0040] FIG5 shows a third structural schematic diagram of an inner formwork or an outer formwork in a prefabricated shear wall provided by an embodiment of the present invention;

[0041] FIG6 shows a schematic structural diagram of a horizontal connecting member in a prefabricated shear wall provided by an embodiment of the present invention;

[0042] FIG7 shows a schematic structural diagram of the tongue-and-groove assembly 6 in the prefabricated shear wall provided in an embodiment of the present invention;

[0043] FIG8 shows a detailed structural diagram of a hidden column in a prefabricated shear wall provided by an embodiment of the present invention;

[0044] FIG9 shows a schematic diagram of two concealed columns connected when two upper and lower adjacent prefabricated shear walls are connected in a prefabricated shear wall provided by an embodiment of the present invention;

[0045] FIG10 shows a schematic diagram of the sleeve components in the prefabricated shear wall provided by an embodiment of the present invention;

[0046] FIG11 is a schematic diagram showing a first structure of a pull-out resistant connection assembly in a prefabricated shear wall provided by an embodiment of the present invention;

[0047] FIG12 is a schematic diagram showing a second structure of a pull-out resistant connection assembly in a prefabricated shear wall provided by an embodiment of the present invention;

[0048] FIG13 is a schematic diagram showing a third structure of a pull-out resistant connection assembly in a prefabricated shear wall provided by an embodiment of the present invention;

[0049] FIG14 shows a schematic diagram of the combined structure of another set of components in the prefabricated shear wall provided by an embodiment of the present invention;

[0050] FIG15 shows an exploded schematic diagram of another sleeve assembly in a prefabricated shear wall provided by an embodiment of the present invention;

[0051] FIG16 is a schematic diagram showing a fourth structure of a pull-out resistant connection assembly in a prefabricated shear wall provided by an embodiment of the present invention;

[0052] FIG17 shows a cross-sectional view of a sleeve assembly in a prefabricated shear wall provided by an embodiment of the present invention;

[0053] FIG18 is a schematic diagram showing a fifth structure of a pull-out resistant connection assembly in a prefabricated shear wall provided by an embodiment of the present invention;

[0054] FIG19 shows a schematic diagram of another hidden column in a prefabricated shear wall provided by an embodiment of the present invention;

[0055] FIG20 shows a schematic diagram of an inner core column in a prefabricated shear wall provided by an embodiment of the present invention;

[0056] FIG21 shows a schematic diagram of a steel column in a prefabricated shear wall provided by an embodiment of the present invention;

[0057] FIG22 shows a schematic diagram of the connection between an inner core column and the top of a steel column in a prefabricated shear wall provided by an embodiment of the present invention;

[0058] FIG23 is a schematic diagram showing an inner core column with a positioning cone in a prefabricated shear wall provided by an embodiment of the present invention;

[0059] FIG24 shows a cross-sectional view of a sleeve assembly having a positioning cavity in a prefabricated shear wall provided by an embodiment of the present invention;

[0060] FIG25 shows a top view of an inner core column with position-limiting steel bars in a prefabricated shear wall provided by an embodiment of the present invention;

[0061] FIG26 shows a schematic diagram of a building room module provided by an embodiment of the present invention.

[0062] The numbers in the attached figure are as follows: 1-lightweight formwork assembly, 2-steel frame, 3-hidden column, 4-reinforcement assembly, 5-connector, 6-tongue and groove assembly, 10-casting cavity, 11-inner formwork, 12-outer formwork, 21-horizontal connecting member, 22-vertical steel bars, 100-wall panel, 41-reinforced steel member, 61-first tongue and groove member, 62-second tongue and groove member, 63-fixing parts, 500-prefabricated shear wall, 600-prefabricated top plate, 31-steel column, 32-inner core column, 33-sleeved assembly, 001-steel column body, 002-welding groove, 003-tensile strength connection assembly, 004-crossbeam, 005-convex rib, 006-first plug-in groove, 007-second plug-in groove, 008-positioning cone, 009-positioning cavity, 010-steel bar, 011-steel plate, 012-raised rib, 013-longitudinal beam, 014-vertical beam, 015-through groove, 016-limiting steel bar, X-preset direction, Y-axial direction, T-concrete. DETAILED DESCRIPTION

[0063] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like to indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0064] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature identified as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, "plurality" means two or more, unless otherwise specifically defined.

[0065] In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "connect," "fixed," etc. should be understood broadly. For example, they may refer to fixed, detachable, or integral connections; mechanical or electrical connections; direct or indirect connections through an intermediary; or internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on specific circumstances.

[0066] An embodiment of the present invention provides a prefabricated shear wall, which can be processed in advance in a factory and has an area for cast-in-place concrete. After the prefabricated shear wall is hoisted and transported to the construction site for cast-in-place, a shear wall with a steel-concrete composite structure can be formed.

[0067] As shown in Figure 1, the prefabricated shear wall comprises a lightweight formwork assembly 1, a steel skeleton 2, and concealed columns 3. The lightweight formwork assembly 1 is made of a lightweight composite material, offering advantages such as low weight, high strength, and resistance to deformation and warping. For example, it can be a cement-based plate. Concealed columns 3 are edge members of the shear wall, located at the ends of the wall's plane. They are primarily used to support in-plane bending moments acting on the wall. They are also known as wall columns or end columns. The hidden column 3 can be a rectangular steel tube formed by cold bending or welding of steel plates, or it can also be a steel-concrete composite column of special-section steel tubes, I-beams, and channel steels, as shown in Figures 2a to 2e. Figures 2a to 2e all show top cross-sectional views of the prefabricated shear wall after pouring concrete, and Figures 2a to 2e respectively give structural schematics of different hidden columns 3, wherein the hidden column 3 in Figure 2a is a special-section steel tube composite column formed by combining rectangular steel tubes, the hidden column 3 in Figure 2b is a composite column formed by I-beams, the hidden column 3 in Figure 2c is a composite column formed by channel steel, the hidden column 3 in Figure 2d is formed by edge steel columns, and the hidden column 3 in Figure 2e is a special-section steel column formed by steel columns.

[0068] The lightweight formwork assembly 1 has a casting cavity 10, which corresponds to the area within the precast shear wall for cast-in-place concrete. This cavity 10 is the area enclosed within the lightweight formwork assembly 1. The steel frame 2 is positioned within the casting cavity 10 and is fixedly connected to the lightweight formwork assembly 1 and the concealed columns 3. For example, the lightweight formwork assembly 1 and the steel frame 2 can be connected to the concealed columns 3 in the factory through bolting and welding to form a single unit.

[0069] The inventors discovered that, because the embodiment of the present invention replaces the double-layer steel plate structure's wall formwork with a lightweight formwork assembly 1 in order to reduce the amount of steel used in the shear wall, when the lightweight formwork assembly 1 is directly fixedly connected to the traditional steel cage skeleton formed by horizontal and vertical steel bars, it is not only difficult to achieve technical and technological feasibility, that is, it is difficult to connect the horizontal steel bars to the lightweight formwork assembly 1 and the concealed column 3; even if the connection is completed through complex technical means, the overall structure is difficult to maintain stability during hoisting and transportation. For example, during hoisting and transportation, the traditional steel cage skeleton will inevitably twist, causing damage to the lightweight formwork assembly 1 connected to it.

[0070] Therefore, the embodiment of the present invention further improves the connection structure inside the prefabricated shear wall, wherein the steel skeleton 2 can be formed by welding steel components, bolt connection, self-tapping screw connection, rivet connection or direct drawing and stamping. Specifically, the steel skeleton 2 includes: a plurality of horizontal connecting members 21 arranged in parallel along the height direction of the shear wall, and a plurality of vertical steel bars 22 running through the horizontal connecting members 21; each horizontal connecting member 21 is connected to a hidden column 3 at both ends along its length direction, and each horizontal connecting member 21 is connected to a lightweight formwork assembly 1 at both sides along its width direction. In other words, the steel skeleton 2 is connected to the lightweight formwork assembly 1 and the hidden column 3 through the horizontal connecting member 21. In the embodiment of the present invention, on the one hand, the horizontal connecting member 21 can provide sufficient support for the prefabricated shear wall during the hoisting and transportation process, and the lightweight formwork assembly 1 will not be broken due to the twisting of the traditional steel cage. On the other hand, the horizontal connecting member 21 can also provide rigidity to the building room module when the prefabricated shear wall serves as the wall structure of the building room module. That is, after the prefabricated shear wall is transported to the construction site as the prefabricated part of the building room module and the concrete pouring step is completed, the horizontal connecting member 21 can further provide sufficient rigidity to the building room module to form a self-supporting system.

[0071] The prefabricated shear wall provided by the embodiment of the present invention, by replacing the outer double-layer steel plate of the general steel plate shear wall with a lightweight formwork assembly 1, can not only serve as a formwork during the construction phase, but also greatly reduces the amount of steel used in the shear wall, reduces its overall weight, avoids corrosion and electronic shielding problems, and is relatively well accepted by consumers when used as a residential structure. Secondly, since horizontal connecting members 21 are used in the steel frame 2 to replace the traditional steel cage frame structure composed of horizontal steel bars, the horizontal connecting members 21 can provide sufficient support for the prefabricated shear wall. Therefore, there is no need to add horizontal steel bars inside the steel frame 2. The prefabricated shear wall provided by the embodiment of the present invention only needs to be configured with vertical steel bars 22. In addition, based on the use of horizontal connecting members 21, the embodiment of the present invention further solves the problem that the traditional steel cage frame structure is difficult to connect with the lightweight formwork assembly 1 and the hidden column 3; and the horizontal connecting members 21 are sufficient to ensure the rigidity of the prefabricated shear wall during the transportation and hoisting stages. It is not easy to twist, so that the lightweight formwork assembly 1 used will not be damaged during transportation. At the same time, when the prefabricated shear wall is used as a prefabricated part of the wall structure of a building room module, the horizontal connecting member 21 can provide sufficient rigidity for the building room module, so that the building room module with the shear wall forms a self-supporting system, and the overall structure of the module is more stable.

[0072] Optionally, the lightweight formwork assembly 1 may include a cement fiber material. In other words, the lightweight formwork assembly 1 in the embodiment of the present invention is a cement fiber formwork assembly made of cement fiber material. Formwork assemblies made of this material not only have the advantages of light weight and high strength, but also have the advantages of being thinner and more corrosion-resistant than common double-layer corrugated steel sheets or flat steel sheets. This makes shear walls made from cement fiber sheets less susceptible to corrosion and electronic shielding issues, and they are also highly accepted by consumers for residential use.

[0073] Optionally, the lightweight formwork assembly 1 includes: an inner formwork 11 and an outer formwork 12 that are arranged opposite to and in parallel; the cavity between the inner formwork 11 and the outer formwork 12 is the casting cavity 10.

[0074] It will be appreciated that the lightweight formwork assembly 1 is composed of a pair of plate-type formworks, namely an inner formwork 11 and an outer formwork 12. The inner formwork 11 is located on the side of the precast shear wall facing indoors, and the outer formwork 12 is located on the side of the precast shear wall facing outdoors. In this embodiment of the present invention, concrete poured into the precast shear wall at the construction site will be poured between the inner formwork 11 and the outer formwork 12 of the precast shear wall. It should be noted that because the inner formwork is interrupted by the floor slab, the height of the outer formwork 12 can be higher than that of the inner formwork 11.

[0075] Since the inner formwork 11 and outer formwork 12 included in the prefabricated shear wall can be used as wall side panels in the prefabrication production and hoisting stages and as formwork in the construction stage, the horizontal connecting member 21 can replace the horizontal wall reinforcement in the conventional shear wall, so that the prefabricated shear wall provided by the embodiment of the present invention can avoid the on-site shear wall reinforcement binding and formwork support work, saving construction steps and construction personnel.

[0076] 3 , the inner formwork 11 and the outer formwork 12 each include multiple wall panels 100 , which are assembled to form the inner formwork 11 or the outer formwork 12 . It should be noted that FIG3 is a schematic diagram of the inner formwork 11 or the outer formwork 12 facing the casting cavity 10 .

[0077] The present proposal does not impose any specific restrictions on the arrangement of the multiple wall panels 100. For rectangular wall panels 100 of the same specification, the wall panels 100 can be arranged in multiple layers from bottom to top to form the inner formwork 11 or the outer formwork 12. As shown in FIG4 , a layer of horizontally arranged wall panels 100 can be first laid on the bottom side of the prefabricated shear wall close to the ground, and then a layer of vertically arranged wall panels 100 can be laid on top of the layer of wall panels 100, and the layers can be stacked in sequence. Alternatively, as shown in FIG5 , multiple wall panels 100 can be arranged and spliced ​​in a horizontal arrangement to form the inner formwork 11 or the outer formwork 12.

[0078] Optionally, as shown in FIG3 , a plurality of wall panels 100 are laid in a manner such that their length directions are consistent with the height direction of the prefabricated shear wall.

[0079] Optionally, the horizontal connecting member 21 may include: angle steel, channel steel or flat steel plate. Among them, when channel steel is used as the horizontal connecting member 21, it is more conducive to its connection with the lightweight formwork assembly 1 and the concealed column 3.

[0080] Optionally, as shown in Figure 1, the prefabricated shear wall further includes a connector 5; one side of the horizontal connecting member 21 is fixedly connected to the inner formwork 11 via the connector 5, and the other side of the horizontal connecting member 21 is fixedly connected to the outer formwork 12 via the connector 5. The connector 5 may include bolts, self-tapping screws, tension bolts, rivets, or other commonly used fixing connection members in the construction field. In this embodiment of the present invention, channel steel may be used as the horizontal connecting member 21, and the bent portion of the channel steel may be fixedly connected to the inner formwork 11 or the outer formwork 12 using self-tapping screws.

[0081] Optionally, as shown in FIG1 , a reserved hole for accommodating the vertical steel bars 22 is provided on the surface of the horizontal connecting member 21. By inserting the vertical steel bars 22 into the reserved hole and temporarily connecting them to the horizontal connecting member 21, the vertical steel bars 22 are precisely positioned in the prefabricated part of the shear wall, thereby forming a steel skeleton 2. It should be noted that the shape of the reserved hole can be not only a square as shown in FIG1 , but also a circular or elliptical shape, etc. Alternatively, the reserved hole can be more than just a hole in the literal sense, and can also be a plurality of inwardly recessed reserved areas dug on both sides of the horizontal connecting member 21 to accommodate the vertical steel bars 22 in the reserved area. The embodiment of the present invention does not limit the specific shape of the reserved hole, as long as it can allow the vertical steel bars 22 to pass through it.

[0082] Optionally, as shown in Figure 3, the prefabricated shear wall also includes: multiple groups of reinforcement components 4 arranged on the opposite side surfaces of the inner formwork 11 and the outer formwork 12; each group of reinforcement components 4 includes: reinforcement steel components 41 respectively fixed on both sides of the horizontal joint of the wall panel 100.

[0083] The embodiment of the present invention does not limit the specific structure of the reinforcing steel member 41. It can be the same structure as the horizontal connecting member 21. For example, both can be angle steel, channel steel, flat steel plate, or other profiles, or they can be different. In the embodiment of the present invention, the upper and lower edges of the adjacent wall panels 100 are fixedly connected to the reinforcing steel member 41, which can ensure the overall structural strength of the prefabricated wall or prefabricated module during transportation, lifting, and concrete pouring, and prevent cracking at the joints of the wall panels 100.

[0084] Since the embodiment of the present invention replaces the steel plate structure in the traditional shear wall with a lightweight formwork assembly 1, the formwork is relatively thin and cannot be directly processed at its end to form a common tongue-and-groove structure. Therefore, the inventors further improved the tongue-and-groove structure.

[0085] Optionally, as shown in FIG7 , the prefabricated shear wall further comprises: a tongue and groove assembly 6 fixedly arranged at the end edge of the prefabricated shear wall; the tongue and groove assembly 6 is used to seal the joint between two adjacent prefabricated shear walls.

[0086] Among them, in order to improve the sealing and splicing effect of the vertical joint formed between two horizontally adjacent prefabricated shear walls, the embodiment of the present invention is provided with a tongue and groove component 6 at the joint. The tongue and groove component 6 is specifically provided at the end edge where the two prefabricated shear walls are spliced ​​together. For example, the tongue and groove component 6 can be provided at the bottom edge of the prefabricated shear wall. The material thereof can be a metal material, such as a galvanized steel plate, to further meet the anti-corrosion requirements. The tongue and groove component 6 is easy to process. After the processing is completed, it can be directly fixed to the edge of the shear wall end with self-tapping screws. The embodiment of the present invention does not need to process the traditional tongue and groove on the lightweight formwork component 1, which solves the problems that the lightweight formwork component 1 is too thin to process the tongue and groove, which is not conducive to edge sealing, and the like.

[0087] Optionally, as shown in Figure 7, the tongue and groove assembly 6 includes: a first tongue and groove member 61 arranged on the inner upper edge of the lightweight formwork assembly 1, and a second tongue and groove member 62 arranged on the lower edge of the prefabricated shear wall; the shapes of the first tongue and groove member 61 and the second tongue and groove member 62 cooperate with each other.

[0088] For example, for the transverse joint produced between two prefabricated shear walls that are vertically spliced, the first tongue-and-groove component 61 included in the tongue-and-groove assembly 6 can be set on the upper edge of the lightweight formwork assembly 1 of the prefabricated shear wall located on the lower layer, and can be fixed to the top of its upper edge using self-tapping screws or the like; correspondingly, the second tongue-and-groove component 62 included in the tongue-and-groove assembly 6 can be set on the lower edge of the prefabricated shear wall located on the upper layer, and can be fixed using self-tapping screws or the like, such as fixing the second tongue-and-groove component 62 to the wall steel bottom frame of the prefabricated shear wall located on the upper layer. After the upper and lower adjacent prefabricated shear walls are installed in place, the first tongue-and-groove component 61 and the second tongue-and-groove component 62, which cooperate with each other in shape, achieve a closed seal at the transverse joint. As shown in Figure 7, the first tongue-and-groove component 61 and the second tongue-and-groove component 62 can both be set in a zigzag shape. The embodiment of the present invention does not limit the specific shapes of the first tongue-and-groove component 61 and the second tongue-and-groove component 62, as long as the two shapes complement each other and can cooperate with each other to achieve closure.

[0089] And / or, the tongue and groove assembly 6 includes: a third tongue and groove component arranged on the inner left edge of the lightweight formwork assembly 1, and a fourth tongue and groove component arranged on the right edge of the prefabricated shear wall; the shapes of the third tongue and groove component and the fourth tongue and groove component cooperate with each other.

[0090] Similarly, for the vertical joint between two horizontally spliced ​​prefabricated shear walls, the third tongue-and-groove component included in the tongue-and-groove assembly 6 can be installed on the left edge of the lightweight formwork assembly 1 of one prefabricated shear wall and fixed using self-tapping screws or other methods. Conversely, the fourth tongue-and-groove component included in the tongue-and-groove assembly 6 can be installed on the right edge of the adjacent prefabricated shear wall and can also be fixed using self-tapping screws or other methods. After the two adjacent prefabricated shear walls on the left and right are installed in place, the third and fourth tongue-and-groove components, which match each other in shape, close and seal the vertical joint.

[0091] Optionally, as shown in FIG. 7 , the tongue and groove assembly 6 further includes a fixing member 63 , which is used to penetrate the tongue and groove assemblies 6 that are spliced ​​together.

[0092] Among them, the fixing part 63 can pass through the tongue and groove assembly 6 that has been spliced ​​into an integrated structure. For example, the fixing part 63 is inserted into the first tongue and groove component 61 set at the upper edge of the prefabricated shear wall located in the lower layer, and the second tongue and groove component 62 set at the lower edge of the prefabricated shear wall located in the upper layer, so that the first tongue and groove component 61 and the second tongue and groove component 62 between the two adjacent prefabricated shear walls are combined into a tongue and groove assembly 6, and fixedly connected to form a whole, thereby closing and fixing the horizontal joints generated between the two adjacent prefabricated shear walls spliced ​​together. Similarly, the same fixing part 63 can also be used to fix the two horizontally connected prefabricated shear walls, which will not be repeated here. In an embodiment of the present invention, the fixing part 63 may include: self-tapping screws, prefabricated rivets, etc.

[0093] Furthermore, after the first and second zigzag-shaped tongue-and-groove members 61 and 62 engage to form the tongue-and-groove assembly 6, foam glue can be used to fill the gaps before pouring concrete. This not only improves airtightness and prevents grout leakage during grouting, but also provides a waterproof structure and seals the exterior wall seams after the structure is completed. Furthermore, in this embodiment of the present invention, an aluminum alloy buckle cover and base can be added to the exterior of the tongue-and-groove assembly 6 to provide sealing for the exterior wall finish and enhance the facade's aesthetics.

[0094] In the embodiment of the present invention, in order to further enhance the stability of the upper and lower connections between the two prefabricated shear walls, the inventors have also improved the connection nodes of the concealed columns 3. It should be noted that when the upper and lower layers of prefabricated shear walls are spliced ​​together, the vertical steel bars 22 located in the upper and lower layers of the prefabricated shear walls are overlapped and connected to each other.

[0095] Optionally, as shown in Figure 8, the hidden column 3 includes: a steel column body 31, an inner core column 32 and a sleeve assembly 33; the steel column body 31 includes relative bottom and top ends, the sleeve assembly 33 is fixedly connected to the bottom end of the steel column body 31, and is used to be sleeved with the inner core column 32 of the prefabricated shear wall adjacent to the lower floor, the inner core column 32 is fixedly connected to the top end of the steel column body 31, and the inner core column 32 protrudes from the top of the steel column body 31, and is used to be inserted into the sleeve assembly 33 of the adjacent prefabricated shear wall of the upper floor to form a nest.

[0096] Among them, the steel column 31 is a hollow long strip structure, the cross-sectional width of the inner core column 32 is smaller than the cross-sectional width of the steel column 31, and the cross-sectional width of the sleeve component 33 is the same as the cross-sectional width of the steel column 31. The sleeve component 33 can be fixedly connected to the bottom end of the steel column 31 by welding; further, the sleeve component 33 fixedly connected to the bottom of the steel column 31 in the prefabricated shear wall on the upper floor can be nested with the inner core column 32 fixedly connected to the top of the steel column 31 in the adjacent prefabricated shear wall on the lower floor, so that the two adjacent prefabricated shear walls are fixed. See Figure 9, which shows a schematic diagram of the two concealed columns 3 after splicing when two adjacent prefabricated shear walls are connected.

[0097] Optionally, as shown in Figure 10, the sleeve assembly 33 includes: a steel column body 001 with multiple welding grooves 002 on the side wall, and an anti-pull-out connection assembly 003; the anti-pull-out connection assembly 003 is fitted on the inner wall of the steel column body 001, and the anti-pull-out connection assembly 003 and the steel column body 001 are welded and fixed at the welding groove 002.

[0098] When two upper and lower adjacent prefabricated shear walls are vertically connected by concealed columns 3, in order to enhance the pull-out resistance between the two upper and lower adjacent concealed columns 3, an embodiment of the present invention provides a pull-out resistance connection component 003 on the inner side wall of the steel column body 001, and welds the pull-out resistance connection component 003 to the multiple welding grooves 002 provided on the side wall of the steel column body 001 from the outside. Specifically, during welding, the pull-out resistance connection component 003 is welded and fixed to the steel column body 001 from the position of the welding groove 002 on the outer side wall of the steel column body 001, such as spot welding, so that the inner side wall of the steel column body 001 forms a pull-out resistance structure with a concave and convex shape, while facilitating the welding operation, greatly improving the convenience of welding, thereby increasing the welding speed, improving production efficiency, and facilitating the realization of automated production.

[0099] Alternatively, as shown in FIG10 , one side of the anti-pullout connection assembly 003 has a concave-convex shape to form multiple anti-pullout structures extending along a predetermined direction. The side of the anti-pullout connection assembly 003 facing away from the anti-pullout structures is attached to the inner sidewall of the steel column body 001; the predetermined direction forms an angle with the axial direction of the steel column body 001. The extending direction of the anti-pullout structures provided on the anti-pullout connection assembly 003 forms an angle with the axial direction of the steel column body 001, meaning that when the sleeve assembly 33 is in use, the anti-pullout structures are not arranged vertically.

[0100] Further, referring to Figure 11, a schematic diagram of a first embodiment of a pull-out resistant connection assembly 003 is shown. The pull-out resistant connection assembly 003 comprises a steel plate 011 and steel bars 010, with steel bars 010 welded to the inner sidewall of the steel column body 001 via the steel plate 011. Multiple steel bars 010 are present, and the steel plate 011 includes a first side surface and a second side surface facing each other. Multiple steel bars 010 are welded to the first side surface of the steel plate 011 in sequence and at intervals. Multiple steel bars 010 extend along a predetermined direction X to form a pull-out resistant structure. Multiple steel bars 010 are welded to the steel plate 011 to form a single piece. The second side surface of the steel plate 011 is then attached to the inner sidewall of the steel column body 001. Finally, welding is performed from the welding groove 002 on the outer sidewall of the steel column body 001.

[0101] Steel plate 011 can be a thin-walled steel plate, its shape matching the inner sidewall of steel column body 001, for example, a rectangular structure. Multiple steel bars 010 are spaced apart in sequence, forming a concave and convex tensile-resistant structure on the first side of steel plate 011. Multiple steel bars 010 are evenly welded to the first side of steel plate 011, and each steel bar 010 extends along a predetermined direction X. Multiple steel bars 010 are sequentially distributed in a direction perpendicular to predetermined direction X.

[0102] In the embodiment of the present invention, the shape of the steel bar 010 welded to the steel plate 011 is not limited and may be a wavy structure, an arc structure, a long straight structure, a long diagonal structure, a special-shaped structure, or a bent structure. When the steel bar 010 has a bent structure, it may include a first segment and a second segment connected to each other, with the first segment and the second segment forming an angle. This application does not limit the specific shape of the steel bar 010, as long as it is welded to the steel plate 011 and extends as a whole along a predetermined direction X, so that the first side surface of the steel plate 010 forms a concave-convex structure, thereby providing a pull-out resistance effect. Referring to Figure 12, Figure 12 shows a schematic diagram of a second structure of the pull-out resistance connection assembly 003, wherein the pull-out resistance connection assembly 003 may include a steel plate 011, the steel plate 011 including a first side surface and a second side surface facing away from each other, the first side surface being provided with a plurality of ridges 012 extending along the predetermined direction X to form a pull-out resistance structure. During installation, the second side surface of the steel plate 011 is attached to the inner side wall of the steel column body 001 for welding. The ridge 012 and the steel plate 011 may be integrally formed, for example, by die casting, or extrusion molding, etc., which is not limited in the present embodiment.

[0103] In other optional embodiments, multiple grooves may be sequentially and spaced apart on the first side surface of the steel plate 011, extending along a predetermined direction X, with a raised rib 012 formed between any two adjacent grooves. Preferably, the width of the grooves on the first side surface of the steel plate 011 can be significantly greater than the height, and can be formed using a milling process. Specifically, multiple grooves are milled into a flat plate, such that any two adjacent grooves are separated by a raised rib 012.

[0104] Referring to FIG. 13 , FIG. 13 shows a schematic diagram of a third structure of the pull-out resistant connection assembly 003 , wherein the pull-out resistant connection assembly 003 is a frame structure and may include cross-beams 004 and longitudinal beams 013 arranged in a crosswise manner. During installation, the longitudinal beams 013 are parallel to the axis of the steel column body 001 , and the cross beams 004 extend along a preset direction X to form a pull-out resistant structure. Furthermore, the number of longitudinal beams 013 may be at least two, and the number of cross beams 004 may be multiple. At least two longitudinal beams 013 extend along the axial direction of the steel column body 001 , and the multiple cross beams 004 are arranged in sequence at intervals, with the ends of the cross beams 004 respectively connected to the outermost longitudinal beams 013 . For example, there are two longitudinal beams 013 , each located at the outermost side, and the multiple cross beams 004 are evenly spaced and arranged between the two longitudinal beams 013 .

[0105] During installation, the anti-pullout connection component 003 of the frame structure is set on the inner wall of the steel column body 001, but it should be noted that the welding groove 002 opened on the steel column body 001 must correspond to the crossbeam 004 of the frame structure to facilitate welding.

[0106] Furthermore, the welding groove 002 opened on the side wall of the steel column body 001 can be a strip groove, a circular groove, an arc groove or a broken line groove, etc. The present application does not limit the shape, size, position, etc. of the welding groove 002. As long as it meets the production welding requirements, the steel column body 001 can be welded and fixed to the anti-pull-out connection component 003 through the welding groove 002 from the outer wall of the steel column body 001.

[0107] Among them, the shape of the beam 004 can be a bent, wavy, arc-shaped or long straight-line structure. The present application does not limit the specific shape of the beam 004. As long as it extends as a whole along the preset direction X, the anti-pullout connection component 003 is welded to the inner wall of the steel column body 001, so that the inner side of the steel column body 001 forms a concave-convex structure with an anti-pullout effect.

[0108] In this embodiment of the present application, to improve the pullout resistance between the concealed columns 3 of two adjacent prefabricated shear walls, a pullout resistance connection assembly 003 can be provided on each inner sidewall of the steel column body 001. That is, the steel column body 001 includes multiple inner sidewalls, each of which is affixed with a pullout resistance connection assembly 003, thereby enhancing the pullout resistance from all sides.

[0109] Optionally, as shown in Figures 14 and 15, the pull-out resistant connection assembly 003 is a hollow cylindrical structure, including multiple beams 004 extending along a preset direction; the welding groove 002 corresponds to at least part of the beams 004, and the preset direction has an angle with the axial direction of the steel column body 001.

[0110] During installation, the anti-pullout connection assembly 003 is embedded within the steel column body 001, with the axis of the steel column body 001 aligned with the axis of the anti-pullout connection assembly 003. The welding groove 002 of the steel column body 001 is aligned with at least a portion of the crossbeam 004 of the anti-pullout connection assembly 003. The crossbeam 004 is welded to the steel column body 001 from the outside of the steel column body 001 at the location of the welding groove 002, thereby securing the anti-pullout connection assembly 003 to the steel column body 001. After welding, the crossbeam 004 of the anti-pullout connection assembly 003 protrudes from the inner sidewall of the steel column body 001, forming a concave-convex anti-pullout structure. It is understood that to improve the anti-pullout performance, the anti-pullout structure provided on the sleeve assembly 33 extends at an angle to the axis of the sleeve assembly 33. That is, when the sleeve assembly 33 is in use, the crossbeam 004 is not arranged vertically, but extends horizontally or at an angle.

[0111] Further, referring to FIG16 , FIG16 shows a schematic diagram of the fourth structure of the anti-pull-out connection assembly 003, wherein the anti-pull-out connection assembly 003 further includes a vertical beam 014, which is cross-connected with the horizontal beam 004 and encloses a hollow columnar structure. Specifically, the vertical beam 014 extends along the axial direction Y, and the number of vertical beams 014 is multiple, and the multiple vertical beams 014 are parallel but not located on the same plane. The horizontal beam 004 is connected between two adjacent vertical beams 014, and the two adjacent vertical beams 014 and the horizontal beam 004 located therebetween form a plane, and the multiple planes form a hollow columnar structure. Among them, the vertical beam 014 extends along the axial direction Y, and the horizontal beam 004 extends along the preset direction X, and the axial direction Y and the preset direction X have an angle.

[0112] Furthermore, multiple cross beams 004 are disposed between any two adjacent vertical beams 014, and the cross beams 004 between any two adjacent vertical beams 014 are sequentially spaced along the axial direction Y. As shown in FIG15 , there are four vertical beams 014, which are arranged in parallel. The cross beams 004 connect between two adjacent vertical beams 014, forming a rectangular frame structure. Two adjacent vertical beams 014 and the cross beams 004 between them form a side wall. The cross beams 004 on each side wall extend along a predetermined direction X, and the cross beams 004 are sequentially spaced along the axial direction Y.

[0113] Specifically, the preset direction X can be perpendicular to the axial direction Y. That is, in the structure shown in Figure 16, when in use, all horizontal beams 004 extend horizontally, and all vertical beams 014 extend vertically. In an optional embodiment of the present application, the multiple horizontal beams 004 provided between any two adjacent vertical beams 014 are evenly spaced. In order to improve the pull-out resistance between the concealed columns 3 of the upper and lower prefabricated shear walls, the gap between the horizontal beams 004 on each side wall of the sleeve assembly 33 should not be too small. Specifically, the spacing between two adjacent horizontal beams 004 is greater than or equal to the width of the horizontal beam 004.

[0114] As shown in Figures 14 and 17 , in an optional embodiment of the present application, the cross-sectional shape of the pull-out-resistant connection assembly 003 is the same as that of the steel column body 001, both being rectangular. Each sidewall of the steel column body 001 is uniformly provided with a plurality of welding slots 002. The number of welding slots 002 is the same as the number of crossbeams 004, and the multiple welding slots 002 are arranged in a one-to-one correspondence with the multiple crossbeams 004. By welding at the welding slots 002, each crossbeam 004 is secured to the steel column body 001, thereby improving the strength of the sleeve assembly 33 while maintaining pull-out resistance.

[0115] In order to facilitate the embedding of the anti-pull-out connection component 003 into the steel column body 001, the maximum cross-sectional length dimension a1 of the anti-pull-out connection component 003 should be smaller than the minimum cross-sectional length dimension a2 of the steel column body 001, and the maximum cross-sectional width dimension b1 of the anti-pull-out connection component 003 should be smaller than the minimum cross-sectional width dimension b2 of the steel column body 001.

[0116] To ensure welding quality, the distance between the outer wall of the pull-out-resistant connection assembly 003 and the inner wall of the steel column body 001 can optionally be greater than or equal to 1 mm and less than or equal to 5 cm. That is, a2-a1 is greater than or equal to 1 mm and less than or equal to 5 cm; and b2-b1 is greater than or equal to 1 mm and less than or equal to 5 cm. In other words, the gap between the pull-out-resistant connection assembly 003 and the steel column body 001 should not be too large. If the gap is too large, it will not only be difficult to weld and secure, but also difficult to ensure stability after welding. Of course, the gap between the pull-out-resistant connection assembly 003 and the steel column body 001 should also not be too small. If the gap is too small, the pull-out-resistant connection assembly 003 will not be easily embedded in the steel column body 001. This application does not limit the distance between the anti-pull-out connection component 003 and the steel column body 001, as long as the anti-pull-out connection component 003 can be embedded in the steel column body 001, and the crossbeam 004 of the anti-pull-out connection component 003 can be fixed to the steel column body 001 by welding from the outside of the steel column body 001.

[0117] To further enhance the connection stability between the pull-out resistant connection assembly 003 and the steel column body 001, in addition to welding at the weld groove 002, the ends of the pull-out resistant connection assembly 003 and the ends of the steel column body 001 can also be welded. For example, a weld can be provided at the connection between the outer wall of the end of the pull-out resistant connection assembly 003 and the inner wall of the end of the steel column body 001. In other words, the outer wall of the end of the pull-out resistant connection assembly 003 is chamfered, and / or the inner wall of the end of the steel column body 001 is chamfered.

[0118] Referring to FIG. 18 , FIG. 18 illustrates a fifth configuration of a pull-out-resistant connection assembly 003. The pull-out-resistant connection assembly 003 comprises a rectangular steel plate having multiple through-slots 015 extending along a predetermined direction X, such that a crossbeam 004 is formed between adjacent through-slots 015. The rectangular steel plate is bent multiple times along the predetermined direction X and then welded end-to-end to form a hollow columnar structure. The hollow rectangular columnar structure can be formed by bending the rectangular steel plate having multiple through-slots 015, for example, three times, such that two adjacent sides form a right angle, and then welding the first and fourth sides end-to-end.

[0119] Then, the anti-pull-out connection component 003 is embedded in the steel column body 001, and the welding groove 002 opened on the steel column body 001 is staggered with the through groove 015 on the anti-pull-out connection component 003, that is, the welding groove 002 corresponds to the crossbeam 004, and at the position of the welding groove 002, the crossbeam 004 and the steel column body 001 are welded from the outside of the steel column body 001.

[0120] Optionally, as shown in Figure 19, the outer wall of the inner core column 32 is provided with a ridge 005 extending in a predetermined direction, which is angled with the axial direction of the steel column body 001. After the concealed columns 3 of the upper and lower adjacent prefabricated shear walls are connected and cemented, the ridge 005 on the outer wall of the inner core column 32 and the pull-out resistance structure of the inner wall of the sleeve assembly 33 can effectively improve the pull-out resistance of the concealed columns 3 of the upper and lower adjacent prefabricated shear walls.

[0121] Optionally, as shown in Figures 20 to 22, the lower ends of the opposite side walls of the inner core column 32 are provided with a first plug-in slot 006, and the upper ends of the opposite side walls of the steel column 31 are provided with a second plug-in slot 007; the hidden column 3 also includes: a plug-in plate 34; the plug-in plate 34 is used to insert into the first plug-in slot 006 and the second plug-in slot 007, so that the inner core column 32 is fixedly connected to the steel column 31.

[0122] Optionally, as shown in FIG. 23 and FIG. 24 , a positioning cone 008 is provided on the top of the inner core column 32 , and a positioning cavity 009 for accommodating the positioning cone 008 is provided on the inner wall of the sleeve assembly 33 .

[0123] In this embodiment of the present invention, a steel structure with an upward-pointing corner, namely, a positioning cone 008, can be fixedly installed at the top of the inner core column 32. Accordingly, a corresponding accommodating cavity, namely, a positioning cavity 009, is provided on the inner sidewall of the sleeve assembly 33 to accommodate the positioning cone 008. Specifically, the positioning cavity 009 is an upwardly concave structure capable of inserting the positioning cone 008. A hole can be provided at the highest point of the positioning cavity 009, allowing the positioning cone 008 to align with the hole and further secure the positioning cone 008 in the hole. The positioning cavity 009 has a smooth surface and can be made of steel. This facilitates the positioning of the two adjacent prefabricated shear walls when the concealed columns 3 of the lower prefabricated shear wall are connected. The positioning cone 008 at the top of the inner core column 32 of the lower prefabricated shear wall cooperates with the positioning cavity 009 at the bottom inner side of the sleeve assembly 33 of the upper prefabricated shear wall, thereby limiting the position of the two adjacent prefabricated shear walls, thereby more accurately and quickly completing the splicing of the upper and lower prefabricated shear walls.

[0124] Optionally, refer to Figure 25, which shows a top view of the inner core column 32; wherein, limiting steel bars 016 are inserted into the outer wall surfaces of the diagonal top corners of the inner core column 32, and the limiting steel bars 016 are arranged diagonally along the extension direction of the diagonal line in the cross section of the inner core column 32.

[0125] The embodiment of the present invention can set limiting steel bars 016 on one or two pairs of diagonal outer walls of the inner core column 32. As shown in Figure 25, limiting steel bars 016 are set on a pair of diagonal outer walls of the inner core column 32 shown in Figure 25. Through the cooperation between the limiting steel bars 016 set on the inner core column 32 of the lower prefabricated shear wall and the sleeve assembly 33 of the upper prefabricated shear wall, for example, the limiting steel bars 016 are made to fit the inner wall of the sleeve assembly 33 of the upper prefabricated shear wall, and then the two adjacent prefabricated shear walls are limited, so that the splicing of the upper and lower prefabricated shear walls can be completed more accurately and quickly.

[0126] An embodiment of the present invention also provides a building room module, as shown in Figure 26, which includes: at least one prefabricated shear wall 500 of any one type as described above, a prefabricated top plate 600 fixedly connected to the prefabricated shear wall 500, and concrete poured in the pouring cavity 10 of the prefabricated shear wall 500 and in the prefabricated top plate 600.

[0127] In an embodiment of the present invention, at least one precast shear wall 500 and a precast top plate 600 can be connected in a factory to form a precast portion of a building room module, which can then be hoisted and transported to a construction site for concrete pouring. For example, concrete can be poured into the pouring cavity 10 of the precast shear wall 500 and into the precast top plate 600 to be poured with concrete, thereby forming a building room module. Furthermore, the constructed building room module is provided with horizontal connecting members 21 within the precast shear wall 500 used therein. These horizontal connecting members 21 not only ensure rigidity during transportation and hoisting, but also further contribute to the overall load-bearing of the building room module after concrete pouring, providing sufficient strength and rigidity for the building room module.

[0128] It should be noted that the prefabricated top plate 600 is the prefabricated part of the top plate in the building room module that is finally formed at the construction site. For example, the prefabricated top plate 600 can adopt an assembled floor slab to be poured with concrete. Specifically, it can adopt a steel truss floor slab, a steel truss floor slab that does not require dismantling of the bottom formwork, a prefabricated concrete composite floor slab, a prefabricated prestressed concrete composite floor slab, a prefabricated prestressed ribbed concrete composite floor slab, a prestressed concrete steel pipe truss composite floor slab and other assembled floor slabs, etc. The embodiment of the present invention does not limit this.

[0129] The above description is merely a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any technical solution that can be easily conceived by a person skilled in the art within the technical scope disclosed in the present invention should be included in the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be based on the scope of protection of the claims.

Claims

1. A prefabricated shear wall, characterized in that: include: A lightweight formwork assembly, a steel frame and a hidden column; the lightweight formwork assembly has a casting cavity, the steel frame is located in the casting cavity, and is fixedly connected to the lightweight formwork assembly and the hidden column respectively; The steel skeleton comprises: a plurality of horizontal connection members arranged in parallel along the height direction of the prefabricated shear wall, and a plurality of vertical steel bars penetrating through the horizontal connection members; The two ends of each horizontal connecting member are connected to the concealed columns, and the two sides are connected to the lightweight formwork components. The horizontal connecting member is used to provide rigidity to the building room module when the prefabricated shear wall is used as the wall structure of the building room module.

2. The prefabricated shear wall according to claim 1, characterized in that: The material of the lightweight formwork component includes: cement fiber material.

3. The prefabricated shear wall according to claim 1, characterized in that: The lightweight formwork assembly comprises: an inner formwork and an outer formwork that are arranged oppositely and in parallel; the cavity between the inner formwork and the outer formwork is the casting cavity.

4. The prefabricated shear wall according to claim 3, characterized in that: The inner formwork and the outer formwork both include a plurality of wall panels, and the plurality of wall panels are used to be spliced ​​together to form the inner formwork or the outer formwork.

5. The prefabricated shear wall according to claim 4, characterized in that: The plurality of wall panels are laid in a manner such that the length direction thereof is consistent with the height direction of the prefabricated shear wall.

6. The prefabricated shear wall according to claim 4, characterized in that: Also includes: A plurality of reinforcement components are arranged on the opposite side surfaces of the inner shell and the outer shell; Each group of the reinforcement components includes: reinforcement steel components respectively fixedly arranged on both sides of the horizontal joint of the wall panel.

7. The prefabricated shear wall according to claim 3, characterized in that: Also includes: Connectors; One side of the horizontal connecting member is fixedly connected to the inner formwork through the connecting piece, and the other side of the horizontal connecting member is fixedly connected to the outer formwork through the connecting piece.

8. The prefabricated shear wall according to claim 1, characterized in that: The horizontal connecting member includes: angle steel, channel steel or flat steel plate.

9. The prefabricated shear wall according to claim 1, characterized in that: The surface of the horizontal connecting member is provided with a reserved hole for accommodating the vertical steel bars.

10. The prefabricated shear wall according to claim 1, characterized in that: Also includes: A tongue and groove component is fixedly arranged at the end edge of the prefabricated shear wall; the tongue and groove component is used to seal the joint between two adjacent prefabricated shear walls.

11. The prefabricated shear wall according to claim 10, characterized in that: The tongue-and-groove assembly comprises: a first tongue-and-groove member arranged at the inner upper edge of the lightweight formwork assembly, and a second tongue-and-groove member arranged at the lower edge of the prefabricated shear wall; the shapes of the first tongue-and-groove member and the second tongue-and-groove member match each other; And / or, the tongue and groove assembly includes: a third tongue and groove component arranged on the inner left edge of the lightweight formwork assembly, and a fourth tongue and groove component arranged on the right edge of the prefabricated shear wall; the shapes of the third tongue and groove component and the fourth tongue and groove component cooperate with each other.

12. The prefabricated shear wall according to claim 11, characterized in that: The tongue and groove components also include: a fixing piece, and the fixing piece is used to penetrate the tongue and groove components that are spliced ​​to each other.

13. The prefabricated shear wall according to claim 1, characterized in that: The concealed column includes: a steel column body, an inner core column and a sleeve assembly; the steel column body includes a relative bottom end and a top end, the sleeve assembly is fixedly connected to the bottom end of the steel column body, and is used to be sleeved with the inner core column of the prefabricated shear wall adjacent to the lower floor, the inner core column is fixedly connected to the top end of the steel column body, and the inner core column protrudes from the top of the steel column body, and is used to be inserted into the sleeve assembly of the adjacent prefabricated shear wall of the upper floor to form a nest.

14. The prefabricated shear wall according to claim 13, characterized in that: The sleeve assembly comprises: a steel column body with a plurality of welding grooves formed on the side wall, and an anti-pullout connection assembly; The anti-pull-out connection component is fitted on the inner side wall of the steel column body, and the anti-pull-out connection component and the steel column body are welded and fixed at the welding groove position.

15. The prefabricated shear wall according to claim 14, characterized in that: One side of the anti-pull-out connection component has a concave-convex shape to form a plurality of anti-pull-out structures extending along a preset direction, and the side of the anti-pull-out connection component facing away from the anti-pull-out structure is attached to the inner side wall of the steel column body; the preset direction has an angle with the axial direction of the steel column body.

16. The prefabricated shear wall according to claim 14, characterized in that: The anti-pullout connection assembly is a hollow columnar structure, including a plurality of beams extending along a preset direction; the welding groove corresponds to at least part of the beams, and the preset direction has an angle with the axial direction of the steel column body.

17. The prefabricated shear wall according to claim 14, characterized in that: The outer side wall of the inner core column is provided with a convex ridge extending along a preset direction, and the preset direction forms an angle with the axial direction of the steel column body.

18. The prefabricated shear wall according to claim 13, characterized in that: The lower ends of the side walls opposite to the inner core column are each provided with a first plug-in slot, and the upper ends of the side walls opposite to the steel column are each provided with a second plug-in slot; The concealed column also includes: a plug-in plate; the plug-in plate is used to be inserted into the first plug-in slot and the second plug-in slot to fix the inner core column and the steel column body in connection.

19. The prefabricated shear wall according to claim 13, characterized in that: The top of the inner core column is provided with a positioning cone, and the inner wall of the sleeve assembly is provided with a positioning cavity for accommodating the positioning cone.

20. The prefabricated shear wall according to claim 13, characterized in that: Limiting steel bars are inserted into the outer wall surfaces of the diagonal top corners of the inner core column, and the limiting steel bars are arranged along the extension direction of the diagonal line in the cross section of the inner core column.

21. A building room module, characterized in that: include: At least one precast shear wall as claimed in any one of claims 1 to 20, a precast top slab fixedly connected to the precast shear wall, and concrete poured in the pouring cavity of the precast shear wall and in the precast top slab.

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