Isomeric concrete double-leaf plate cavity shear wall integrated house module and manufacturing method thereof
By using a heterogeneous concrete double-leaf slab cavity shear wall configuration, the connection problem between shear walls and cast-in-place concrete walls in modular housing is solved, achieving equivalent mechanical performance and cost reduction, and reducing on-site rebar tying work.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- POWERCHINA HUADONG ENG CORP LTD
- Filing Date
- 2026-05-08
- Publication Date
- 2026-06-05
AI Technical Summary
In existing technologies, the mechanical properties of the connection between shear walls and cast-in-place concrete walls in modular houses are not equivalent, and the construction cost is relatively high.
The structure adopts a heterogeneous concrete double-leaf cavity shear wall configuration, including an outer leaf and an inner leaf, with bidirectional distributed reinforcement and connecting reinforcement. It is prefabricated in the factory, and the shear wall reinforcement is tied before leaving the factory, reducing on-site reinforcement tying work. The inward and open structure design ensures the connection effect of vertical reinforcement. The hidden columns are cast in place in the factory to enhance the connection strength.
This achieves the same mechanical properties as shear walls and cast-in-place concrete walls, reduces the amount of on-site steel reinforcement binding, lowers construction costs, and ensures the integrity of the modular box decoration and connection strength.
Smart Images
Figure CN122147999A_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of shear wall structure technology, and in particular to an integrated housing module of heterogeneous concrete double-leaf slab hollow shear wall and its manufacturing method. Background Technology
[0002] Modular housing represents an advanced form of industrialized construction, an integrated and systematic upgrade of this technology. Its core lies in breaking down buildings into standardized, modular units, prefabricating the structure, enclosure, electromechanical systems, and interior decoration in a factory, and then transporting them to the site for hoisting and assembly. Through full-process industrialization, it achieves a comprehensive leap in building production efficiency, quality, and environmental performance, and is a core direction for the future industrialization, greening, and intelligent development of the construction industry. Modular housing construction will become the primary method of future housing construction.
[0003] High-rise buildings generally adopt shear wall structure or frame shear wall structure. When the building is constructed in a modular manner, the shear wall components usually have the following three forms: (1) the shear wall reinforcement is tied on site and the concrete is cast in place, and the side plate of the module box is only used as the template for the cast-in-place concrete shear wall; (2) drawing on the traditional double-leaf cavity shear wall, the shear wall reinforcement is pre-embedded in the factory on a box side plate, and the box side plate is part of the effective section of the shear wall. The rest of the shear wall body is cast in place, which is equivalent to taking one of the leaf plates of the traditional double-leaf cavity shear wall; (3) the shear wall and the module are prefabricated in the factory as an integrated whole, and a vertical reinforcement lap connection section is set at the floor level. The concrete of this section is poured later.
[0004] Form (1) involves a large amount of on-site steel reinforcement binding and wet concrete work, and at least one box side panel needs to have pre-reserved tie rod holes, affecting the integrity of the module's interior decoration. Form (2) The vertical steel reinforcement of the shear wall in the box side panel cannot be continuously connected at the floor level, and vertical lap reinforcement is required in the post-cast concrete of the cavity. Therefore, the wall body and edge components cannot be equivalent to the cast-in-place concrete wall. In addition, this type of shear wall also requires pre-reserved tie rod holes in at least one box side panel, affecting the module's interior decoration. Form (3) can achieve the same stress and steel reinforcement structure as the cast-in-place shear wall, but the cost of the formwork required for factory production is higher than the previous two forms. Summary of the Invention
[0005] The purpose of this invention is to provide an integrated housing module with heterogeneous concrete double-leaf slab hollow shear wall and its manufacturing method, so as to alleviate the problems in the prior art that the wall body and edge components cannot achieve the same mechanical properties as the cast-in-place concrete wall and the construction cost is high.
[0006] To solve the above-mentioned technical problems, the technical solution provided by the present invention is as follows: In a first aspect, the present invention provides an integrated housing module of heterogeneous concrete double-leaf slab cavity shear wall, including at least one heterogeneous concrete double-leaf slab cavity shear wall, wherein the heterogeneous concrete double-leaf slab cavity shear wall includes a first wall limb, the first wall limb including an outer leaf slab and an inner leaf slab arranged opposite to each other, and both the outer leaf slab and the inner leaf slab are provided with bidirectional distributed steel bars, and connecting steel bars are provided between the bidirectional distributed steel bars. The bottom of the outer leaf plate is provided with an inward-recessing structure, through which the bidirectional distributed steel bars and the connecting steel bars are exposed; The top of the outer leaf plate is provided with a notch structure in the anchorage connection area with the beam reinforcement, and the notch structure is used to allow the beam reinforcement to extend in and be anchored.
[0007] Furthermore, the heterogeneous concrete double-leaf slab cavity shear wall also includes a second wall segment, which is perpendicular to the first wall segment and has the same structure as the first wall segment.
[0008] Furthermore, a notch structure is provided in the overlapping area of the horizontal reinforcing bars at the corner of the outer leaf plate. The notch structure is used to allow the horizontal reinforcing bars that connect the outer leaf plate and the inner leaf plate to overlap.
[0009] Furthermore, the integrated housing module of heterogeneous concrete double-leaf slab hollow shear wall also includes a top slab, a bottom slab, beam side plates and an infill structure. The top slab and the bottom slab are respectively located at the top and bottom, the beam side plates are located on the sides, and the infill structure fills the spaces between adjacent heterogeneous concrete double-leaf slab hollow shear walls and the surrounding non-vertical structural members.
[0010] Furthermore, a hidden column is provided at the corner of the second wall segment and the first wall segment. The hidden column is formed by in-situ casting in the factory. The top of the hidden column is located at the bottom of the beam or the top of the wall, and the bottom of the hidden column is not lower than the bottom elevation of the outer leaf plate.
[0011] Furthermore, the beam reinforcement anchorage area at the top of the inner leaf plate is provided with a groove structure.
[0012] Furthermore, a concave structure is provided within the overlapping range of the vertical ribs at the bottom of the inner leaf plate.
[0013] Secondly, the present invention provides a method for manufacturing an integrated housing module based on the aforementioned heterogeneous concrete double-leaf slab cavity shear wall, comprising the following steps: Constructing the first wall segment: Cast the outer leaf plate and inner leaf plate of the first wall segment, and then press the same steel mesh into the outer leaf plate and inner leaf plate one after the other; Constructing the second wall segment: Cast the outer leaf plate and inner leaf plate of the second wall segment, and then press the same steel mesh into the outer leaf plate and inner leaf plate one after the other; Insert horizontal reinforcement: Insert the exposed horizontal reinforcement of the first and second wall segments into each other and overlap them; Insert vertical reinforcement bars: Insert vertical reinforcement bars in the overlapping area of the horizontal reinforcement bars of the first wall segment and the second wall segment.
[0014] Furthermore, after inserting the horizontal reinforcement, the pre-embedded irons at the ends of the first and second wall segments are welded together; and / or, a concrete concealed column is cast in the factory at the corner of the first and second wall segments.
[0015] Furthermore, it also includes the installation of heterogeneous concrete double-leaf slab hollow shear walls and prefabricated bottom slabs, top slabs, beam side slabs and infill structures, with the components connected to form modular boxes.
[0016] This invention can bring at least the following beneficial effects: The heterogeneous concrete double-leaf cavity shear wall consists of outer and inner leaf slabs, both prefabricated in a single module box in the factory. The shear wall reinforcement is pre-tied before leaving the factory, reducing on-site reinforcement tying work. Both the outer and inner leaf slabs contain bidirectional distributed reinforcement, with connecting reinforcement between them. This connecting reinforcement partially or completely eliminates the need for on-site tie rods and bolt holes, ensuring the integrity of the module box finish. The heterogeneous concrete double-leaf cavity shear wall is manufactured using traditional double-leaf cavity shear wall component production processes, which are convenient and cost-effective. The inward-sloping structure allows the vertical reinforcement of the outer leaf slabs of the upper and lower module shear walls to lap within this range, without bending or requiring additional lap reinforcement within the cavity. This ensures that the protective layer thickness of the upper and lower vertical reinforcement in the connection section at the floor level does not increase, the effective out-of-plane bending height of the shear wall does not decrease, and the bending bearing capacity of the shear wall is equivalent to that of cast-in-place concrete. The notch structure eliminates the need for the bottom reinforcement bars of the notch side beams to bend inwards to avoid interference. This prevents the beam reinforcement bars from being too close together within the anchorage length of the cavity wall, which would affect the anchorage effect of the reinforcement bars in the concrete. This ensures that the mechanical properties of the shear wall components and their connections with beams and adjacent walls are equivalent to those of cast-in-place structures. Attached Figure Description
[0017] To more clearly illustrate the technical solutions in the specific embodiments or related technologies of the present invention, the drawings used in the description of the specific embodiments or related technologies will be briefly introduced below. Obviously, the drawings described below are some embodiments of the present invention. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.
[0018] Figure 1 This is an overall schematic diagram of the heterogeneous concrete double-leaf slab hollow shear wall integrated housing module provided in Embodiment 1 of the present invention. Figure 2 This is a partial schematic diagram of the inward-shrinking structure provided in Embodiment 1 of the present invention; Figure 3 This is a partial schematic diagram of the notch structure provided in Embodiment 1 of the present invention; Figure 4 This is a partial schematic diagram of the notch structure provided in Embodiment 1 of the present invention; Figure 5 A schematic diagram of the hidden column provided in Embodiment 1 of the present invention; Figure 6 This is a partial schematic diagram of the groove structure provided in Embodiment 1 of the present invention; Figure 7 This is a partial schematic diagram of the concave structure provided in Embodiment 1 of the present invention; Figure 8 This is a partial schematic diagram of the lap splice connection of vertical reinforcement at the floor level of the cavity shear wall provided in Embodiment 1 of the present invention; Figure 9 This is a side view of the lapped connection of vertical reinforcement bars at the floor level of the cavity shear wall provided in Embodiment 1 of the present invention; Figure 10 This is a schematic diagram of an L-shaped cavity shear wall provided in Embodiment 2 of the present invention; Figure 11 This is a schematic diagram of the first wall segment provided in Embodiment 2 of the present invention; Figure 12 This is a schematic diagram of the second wall segment provided in Embodiment 2 of the present invention; Figure 13 This is a schematic diagram of the welding connection of the pre-embedded iron at the ends of the first wall segment and the second wall segment provided in Embodiment 2 of the present invention.
[0019] icon: 100 - First wall segment; 200 - Second wall segment; 210 - Outer leaf plate; 220 - Inner leaf plate; 230 - Two-way distributed reinforcement; 240 - Connecting reinforcement; 250 - Recessed structure; 260 - Notch structure; 270 - Beam reinforcement; 280 - Notch structure; 310 - Top slab; 320 - Bottom slab; 330 - Beam side plate; 340 - Infill structure; 350 - Hidden column; 360 - Groove structure; 370 - Recessed structure; 380 - Vertical reinforcement; 390 - End embedded iron. Detailed Implementation
[0020] The technical solution of the present invention will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.
[0021] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.
[0022] In the description of this invention, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing the invention and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance. Physical quantities in formulas, unless otherwise specified, should be understood as basic quantities in the International System of Units (SI), or derived quantities derived from basic quantities through mathematical operations such as multiplication, division, differentiation, or integration.
[0023] Furthermore, terms such as "horizontal," "vertical," and "sag" do not imply that components must be absolutely horizontal or suspended, but rather that they can be slightly tilted. For example, "horizontal" simply means that its direction is more horizontal relative to "vertical," and does not mean that the structure must be completely horizontal, but can be slightly tilted.
[0024] In the description of this invention, it should also be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.
[0025] The following detailed description of some embodiments of the present invention is provided in conjunction with the accompanying drawings. Unless otherwise specified, the following embodiments and features described herein can be combined with each other.
[0026] Example 1 Concrete double-leaf slab hollow shear walls are widely used as structural components in prefabricated housing due to their advantages of convenient factory fabrication and low production costs. Traditional hollow shear walls have double-leaf precast slabs with equal lower elevations, and the wall body extends to the floor level. The vertical reinforcement within the precast slabs is not continuous at the floor level; the vertical connection of the shear wall relies on additional lapped reinforcement installed within the cavity at the floor level. Therefore, its shear and bending resistance, both in-plane and out-of-plane, cannot be equivalent to that of cast-in-place shear walls. To ensure the basic load-bearing requirements of hollow shear walls, regulations stipulate that the edge members of high-rise hollow shear walls must have continuous vertical reinforcement between upper and lower floors, closed bidirectional stirrups, and overlapping stirrup legs in the projection direction. Traditionally, this structural requirement cannot be achieved for non-integrated precast components, such as double-leaf slab hollow shear walls, where the edge members can only be achieved through cast-in-place concrete.
[0027] Traditional double-leaf slab cavity shear walls are only used as independent wall components in prefabricated buildings. However, in modular houses, the two side panels belong to different modules, and the two adjacent module side panels cannot form a double-leaf slab cavity shear wall with tie bars. In this embodiment, a heterogeneous double-leaf slab cavity shear wall is used at the shear wall location of the same module, while the vertical panel of the other module box only serves as a vertical partition for the room. The double-leaf slab cavity shear wall is located on one module, so the connecting steel bars between the double leaves can resist the lateral pressure of the post-cast concrete in the cavity, avoiding the impact of additional tie rods on the modular house. In contrast, traditional single-leaf slab modules must be connected to the side panels of another module with tie rods. Furthermore, if the double-leaf slab cavity shear wall in traditional prefabricated buildings is only placed on one module, the module box itself needs to form a closed space, which cannot meet the requirements of continuous vertical steel bars between upper and lower layers, closed bidirectional stirrups, and overlapping stirrup outer legs in the projection direction of the edge members of the double-leaf slab cavity shear wall in high-rise buildings. Therefore, traditional double-leaf slab cavity shear walls are not suitable for modular houses. Unlike the traditional concrete double-leaf slab hollow shear wall configuration, this embodiment provides a heterogeneous concrete double-leaf slab hollow shear wall configuration, which not only solves the adverse effects of setting tie rods in shear walls on modular houses, but also solves the contradiction that the steel reinforcement structure of the edge members of the hollow shear wall in the module must meet the specifications and must be cast in place, while the side panels of the module box need to be closed.
[0028] An integrated housing module with heterogeneous concrete double-leaf slab hollow shear wall includes at least one heterogeneous concrete double-leaf slab hollow shear wall. The heterogeneous concrete double-leaf slab hollow shear wall includes a first wall segment 100, which includes an outer leaf 210 and an inner leaf 220 arranged opposite to each other. Both the outer leaf 210 and the inner leaf 220 are provided with bidirectional distributed steel bars 230, and connecting steel bars 240 are provided between the bidirectional distributed steel bars 230. An inward-recessed structure 250 is provided at the bottom of the outer leaf 210, through which the bidirectional distributed steel bars 230 and the connecting steel bars 240 are exposed. A notch structure 260 is provided at the top of the outer leaf 210 and in the anchorage connection area with the beam steel bars 270. The notch structure 260 is used to allow the beam steel bars 270 to extend into and be anchored.
[0029] In this embodiment, the heterogeneous concrete double-leaf cavity shear wall has an outer leaf 210 and an inner leaf 220, both prefabricated in a single modular box in the factory. The shear wall reinforcement is pre-tied before leaving the factory, reducing the amount of on-site reinforcement tying work. The outer leaf 210 and inner leaf 220 are internally equipped with bidirectional distributed reinforcement 230, and connecting reinforcement 240 is provided between the bidirectional distributed reinforcement 230. This connecting reinforcement 240 can partially or completely eliminate the need for on-site tie rods and bolt holes, ensuring the integrity of the modular box decoration. The heterogeneous concrete double-leaf cavity shear wall is manufactured using the traditional manufacturing process for double-leaf cavity shear wall components, making manufacturing convenient. See also Figure 2 The inward-sloping structure 250 allows the vertical reinforcement 380 of the outer leaf plates 210 of the upper and lower module shear walls to lap and connect within this range, without bending or requiring additional lap reinforcement within the cavity. This ensures that the protective layer thickness of the upper and lower vertical reinforcement 380 of the shear wall does not increase within the floor level connection zone, the effective out-of-plane bending height of the shear wall does not decrease, and the bending bearing capacity of the shear wall is equivalent to that of cast-in-place concrete. (See also...) Figure 3 The notch structure 260 eliminates the need for the bottom reinforcement bars of the notch side beam to bend inward to avoid interference, which can prevent the beam reinforcement bars 270 from being too small in the anchorage length range of the cavity wall, thus affecting the anchorage effect of the reinforcement bars in the concrete and ensuring that the mechanical properties of the shear wall components and their connection with the beam and adjacent walls are equivalent to those of cast-in-place concrete.
[0030] In an optional embodiment, the heterogeneous concrete double-leaf slab cavity shear wall further includes a second wall segment 200, which is perpendicular to the first wall segment 100 and has the same structure as the first wall segment 100.
[0031] See Figure 10 In this embodiment, the heterogeneous concrete double-leaf slab cavity shear wall of the same module includes at least two mutually perpendicularly arranged second wall segments 200 and first wall segments 100. The two wall segments can be arranged in different configurations such as L-shape and T-shape to meet different structural requirements.
[0032] In an optional embodiment, a notch structure 280 is provided in the overlapping area of the horizontal reinforcing bars at the corner of the outer leaf plate 210. The notch structure 280 is used to make the horizontal reinforcing bars that connect the outer leaf plate 210 and the inner leaf plate 220 overlap.
[0033] See Figure 4 The outer leaf plate 210 of the corner horizontal reinforcement overlap area of the cavity shear wall has a notch. No other structure is set at the notch, so the reinforcement forms an exposed form. This allows the horizontal reinforcement of the first wall limb 100 and the second wall limb 200, which are perpendicular to each other, to completely overlap when they are assembled in the factory, so as to achieve the same stirrup structure as required by the code for the edge members of the cast-in-place concrete shear wall.
[0034] In an optional embodiment, the integrated housing module of heterogeneous concrete double-leaf slab hollow shear wall further includes a top plate 310, a bottom plate 320, a beam side plate 330, and an infill structure 340. The top plate 310 and the bottom plate 320 are respectively disposed at the top and bottom, the beam side plate 330 is disposed on the side, and the infill structure 340 fills the spaces between adjacent heterogeneous concrete double-leaf slab hollow shear walls and the surrounding non-vertical structural members.
[0035] See Figure 1 The heterogeneous concrete double-leaf cavity shear wall integrated housing module includes a double-leaf cavity shear wall, a top slab 310, a bottom slab 320, beam side slabs 330, and an infill structure 340. Some components are prefabricated and assembled in the factory, while others are cast in situ in the factory. Specifically, the infill structure 340 can take the form of vertical partitions and infill walls. The infill walls can fill the spaces between adjacent heterogeneous concrete double-leaf cavity shear walls and the surrounding non-vertical structural members, thus separating the housing module from adjacent modules or the external area.
[0036] In an optional embodiment, a hidden column 350 is provided at the corner between the second wall segment 200 and the first wall segment 100. The hidden column 350 is formed by in-situ casting in the factory.
[0037] See Figure 5 After the prefabricated components are assembled in the factory, the hidden columns 350 at the corners of the shear walls are cast in situ in the factory. The hidden columns 350 are column structures arranged vertically. The top of the cast hidden columns 350 can reach the bottom of the beam or the top of the wall, and the bottom is not lower than the bottom elevation of the outer leaf slab 210 of the cavity shear wall. The section at the bottom of the hidden columns 350 that was not cast in the factory is cast on-site after the vertical reinforcement 380 of the upper and lower shear walls is overlapped. The setting of the hidden columns 350 makes the connection of the four slabs around the box more secure. If the hidden columns 350 are not cast in the factory and are all left to be cast on-site, the structural stability is not as good as that of adding hidden columns 350, which is achieved by welding the steel plates pre-embedded at the end faces of the prefabricated concrete vertical slab joints in the factory. Furthermore, the box with hidden columns 350 cast in the factory has a lower risk of cracking during hoisting and transportation.
[0038] In an optional embodiment, the anchorage area of the beam reinforcement 270 at the top of the inner leaf plate 220 is provided with a groove structure 360.
[0039] See Figure 6 The inner leaf plate 220 has a recessed top forming a groove structure 360. The size and position of the recess can be selected as needed. The groove structure 360 allows the bottom reinforcement bars on the inner side of the beam to be completely enclosed by the post-poured concrete in the cavity without much bending. If this groove structure 360 is not provided, a large bending is required to completely enclose the beam reinforcement bars 270 in concrete, resulting in too small a spacing of the bottom reinforcement bars in the shear wall anchorage zone, affecting the anchorage effect.
[0040] In an optional embodiment, a concave structure 370 is provided within the overlapping range of the vertical ribs 380 at the bottom of the inner leaf plate 220.
[0041] See Figure 7 , Figure 8 and Figure 9 The bottom of the inner leaf plate 220 is recessed, forming a recessed structure 370, which preferably covers the entire length of the inner leaf plate 220. The recessed structure 370 ensures that the vertical reinforcement 380 of the shear wall is completely enclosed within the cast-in-place concrete, preventing shear force transfer between the vertical reinforcement 380 of the upper and lower modules through the interface between the precast and cast-in-place concrete. It also avoids problems such as increased protective layer and reduced effective bending section of the vertical reinforcement 380 at floor levels during out-of-plane bending of the shear wall. Therefore, the connection structure with the recessed structure 370 achieves the same connection effect as the lap splicing of steel bars in cast-in-place concrete for the vertical reinforcement 380 of the upper and lower walls.
[0042] Example 2 See Figure 10 This embodiment uses an L-shaped shear wall as an example for illustration. The manufacturing method of a straight or T-shaped shear wall is similar. When the shear wall is straight, the structure of the other end is the same as that of the symmetrical part, including the notch at the top of the outer leaf plate 210 and the recess at the top of the inner leaf plate 220.
[0043] The fabrication method of the integrated housing module with heterogeneous concrete double-leaf slab cavity shear wall includes the following steps: Constructing the first wall segment 100: Cast the outer leaf plate 210 and inner leaf plate 220 of the first wall segment 100, and then press the same steel mesh into the outer leaf plate 210 and inner leaf plate 220 one after another.
[0044] See Figure 11One method is to first press the reinforcing mesh into the concrete of the outer leaf plate 210, and then flip the outer leaf plate 210 so that the exposed reinforcing bars face the concrete of the inner leaf plate 220 and press them into the concrete of the inner leaf plate 220; another method is to first press the reinforcing mesh into the concrete of the inner leaf plate 220, and then flip the inner leaf plate 220 so that the exposed reinforcing bars face the concrete of the outer leaf plate 210 and press them into the concrete of the outer leaf plate 210.
[0045] Constructing the second wall segment 200: Cast the outer leaf plate 210 and inner leaf plate 220 of the second wall segment 200, and then press the same steel mesh into the outer leaf plate 210 and inner leaf plate 220 one after another.
[0046] See Figure 12 The specific manufacturing method of the second wall segment 200 is exactly the same as that of the first wall segment 100. The manufacturing of the second wall segment 200 should be later than that of the first wall segment 100. Otherwise, by the time the first wall segment 100 reaches the required strength, the concrete of the second wall segment 200 will have already solidified, making it impossible to press the reinforcing steel into the wall.
[0047] Insert horizontal reinforcement bars: Insert the exposed horizontal reinforcement bars of the first wall segment 100 and the second wall segment 200 into each other and set them overlapping.
[0048] After the concrete of the first wall segment 100 and the second wall segment 200 reaches a certain strength, the first wall segment 100 and the second wall segment 200 are either erected or one wall segment is laid flat while the other wall segment is laid flat, and the exposed horizontal reinforcement side of the two wall segments is vertically connected to form the relative position shown in Figure 10.
[0049] Insert vertical rib 380: See Figure 10 Vertical reinforcement 380 is inserted in the overlapping area of the horizontal reinforcement of the first wall segment 100 and the second wall segment 200.
[0050] In the optional mode of this embodiment, see Figure 13 After inserting the horizontal reinforcement, the pre-embedded iron 390 at the ends of the first wall limb 100 and the second wall limb 200 is welded together; and / or, a concrete hidden column 350 is cast in the factory at the corner of the first wall limb 100 and the second wall limb 200.
[0051] By welding the pre-embedded iron 390s at the ends of the first wall segment 100 and the second wall segment 200 together, the L-shaped shear walls can be temporarily connected as a whole, enhancing the overall structural connection strength. Furthermore, concrete concealed columns 350 can be factory-cast at the corners of the first wall segment 100 and the second wall segment 200. The installation of concealed columns 350 enhances the connection's firmness, and the box-shaped structure with factory-cast concealed columns 350 has a lower risk of cracking during hoisting and transportation.
[0052] In an optional embodiment, the method for manufacturing an integrated housing module with heterogeneous concrete double-leaf slab hollow shear wall further includes installing the heterogeneous concrete double-leaf slab hollow shear wall and prefabricated bottom slab 320, top slab 310, beam side slab 330 and filling structure 340, with the components connected to form a module box.
[0053] Specifically, this step can be set after the step of inserting vertical ribs 380 or before the step of inserting vertical ribs 380, as long as the components are connected by welding through the pre-embedded iron at the ends 390 or by local factory-cast concrete at the connection points of different components to form a modular box.
[0054] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, and not to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features; and these modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention.
Claims
1. A heterogeneous concrete double-leaf slab hollow shear wall integrated housing module, comprising at least one heterogeneous concrete double-leaf slab hollow shear wall, characterized in that, The heterogeneous concrete double-leaf slab cavity shear wall includes a first wall segment (100), the first wall segment (100) includes an outer leaf slab (210) and an inner leaf slab (220) arranged opposite to each other, and bidirectional distributed steel bars (230) are provided inside the outer leaf slab (210) and the inner leaf slab (220), and connecting steel bars (240) are provided between the bidirectional distributed steel bars (230). The bottom of the outer leaf plate (210) is provided with an inward-recessed structure (250), and the bidirectional distributed steel bars (230) and the connecting steel bars (240) are exposed through the inward-recessed structure (250); The top of the outer leaf plate (210) is provided with a notch structure (260) in the anchorage connection area with the beam reinforcement (270), and the notch structure (260) is used to allow the beam reinforcement (270) to extend into and be anchored.
2. The integrated housing module with heterogeneous concrete double-leaf slab cavity shear wall according to claim 1, characterized in that, The heterogeneous concrete double-leaf slab cavity shear wall also includes a second wall segment (200), which is perpendicular to the first wall segment (100) and has the same structure as the first wall segment (100).
3. The integrated housing module with heterogeneous concrete double-leaf slab cavity shear wall according to claim 2, characterized in that, A notch structure (280) is provided in the overlapping area of the horizontal reinforcement at the corner of the outer leaf plate (210). The notch structure (280) is used to make the horizontal reinforcement that connects the outer leaf plate (210) and the inner leaf plate (220) overlap.
4. The integrated housing module with heterogeneous concrete double-leaf slab cavity shear wall according to claim 1, characterized in that, The heterogeneous concrete double-leaf slab hollow shear wall integrated housing module also includes a top slab (310), a bottom slab (320), beam side slabs (330), and an infill structure (340). The top slab (310) and the bottom slab (320) are respectively located at the top and bottom, the beam side slabs (330) are located on the side, and the infill structure (340) fills the spaces between adjacent heterogeneous concrete double-leaf slab hollow shear walls and the surrounding non-vertical structural members.
5. The integrated housing module with heterogeneous concrete double-leaf slab cavity shear wall according to claim 2, characterized in that, A hidden column (350) is provided at the corner of the second wall segment (200) and the first wall segment (100). The hidden column (350) is formed by in-situ casting in the factory. The top of the hidden column (350) is located at the bottom of the beam or the top of the wall. The bottom of the hidden column (350) is not lower than the bottom elevation of the outer leaf plate (210).
6. The integrated housing module with heterogeneous concrete double-leaf slab cavity shear wall according to claim 1, characterized in that, The anchorage area of the beam reinforcement (270) at the top of the inner leaf plate (220) is provided with a groove structure (360).
7. The integrated housing module with heterogeneous concrete double-leaf slab cavity shear wall according to claim 1, characterized in that, An indented structure (370) is provided within the overlapping range of the vertical ribs (380) at the bottom of the inner leaf plate (220).
8. A method for manufacturing an integrated housing module based on a heterogeneous concrete double-leaf slab hollow shear wall as described in any one of claims 1-7, characterized in that, Includes the following steps: Fabricate the first wall segment (100): cast the outer leaf plate (210) and inner leaf plate (220) of the first wall segment (100), and then press the same steel mesh into the outer leaf plate (210) and inner leaf plate (220) one after the other. Fabricate the second wall segment (200): cast the outer leaf plate (210) and inner leaf plate (220) of the second wall segment (200), and then press the same steel mesh into the outer leaf plate (210) and inner leaf plate (220) one after the other. Insert horizontal reinforcement bars: Insert the exposed horizontal reinforcement bars of the first wall segment (100) and the second wall segment (200) into each other and set them overlappingly; Insert vertical reinforcement (380): Insert vertical reinforcement (380) in the overlapping area of the horizontal reinforcement of the first wall segment (100) and the second wall segment (200).
9. The method for manufacturing a heterogeneous concrete double-leaf slab hollow shear wall integrated housing module according to claim 8, characterized in that, After inserting the horizontal reinforcement, the end embedded iron (390) of the first wall limb (100) and the second wall limb (200) is welded together; and / or, a concrete hidden column (350) is cast in the factory at the corner of the first wall limb (100) and the second wall limb (200).
10. The method for manufacturing an integrated housing module with heterogeneous concrete double-leaf slab cavity shear wall according to claim 9, characterized in that, It also includes the installation of heterogeneous concrete double-leaf cavity shear walls and prefabricated bottom slab (320), top slab (310), beam side slab (330) and infill structure (340), with the components connected to form a modular box.