Concrete perforated shear wall modules, concrete modular shear wall structural systems and their assembly methods

Abstract

This invention provides a concrete perforated shear wall module, a concrete modular shear wall structure system, and its assembly method. The concrete modular shear wall structure system includes several concrete perforated shear wall modules, which are assembled sequentially in the vertical and horizontal directions to form the concrete modular shear wall structure system. Each concrete perforated shear wall module includes a shear wall panel with holes at predetermined positions. The top and bottom of the shear wall panel are respectively provided with matching first and second connecting parts. The first connecting part at the top of the shear wall panel mates with the second connecting part at the bottom of the shear wall panel of other concrete perforated shear wall modules, thereby realizing the vertical assembly of the concrete perforated shear wall module. The main material of the shear wall panel is reinforced concrete; a top plate is located on top of the shear wall panel; and a connecting beam is fixedly connected to the shear wall panel.

Description

Technical Field

[0001] This invention relates to the field of building structure technology, specifically to concrete perforated shear wall modules, concrete modular shear wall structural systems, and their assembly methods. Background Technology

[0002] With the transformation and upgrading of the construction industry, building industrialization has gradually become a hot topic of industry attention and research. Among them, modular buildings can best meet the requirements of building industrialization for the standardization, modularization, integration and flexibility of modern buildings. The main advantage of the existing modular structure system is the reduction of on-site construction, especially the significant reduction of on-site operations such as water and electricity decoration, which is conducive to improving construction quality and shortening the on-site construction period.

[0003] In the engineering application of modular structures, steel structures, wood structures, concrete structures, steel-wood hybrid structures, and steel-concrete hybrid structures are mainly used. Among them, concrete modular structures are currently less used in the market and are technically more difficult to implement. They also have problems such as large workload of wet work, difficulty in assembly and construction, and difficulty in meeting the seismic requirements of high-rise buildings.

[0004] Because reinforced concrete shear wall structures possess high horizontal stiffness and seismic resistance, they are widely used in mid- to high-rise buildings in my country, especially in residential buildings where demand is extremely high. Therefore, modular concrete shear wall structures represent one of the key development directions for future modular buildings. Currently, concrete frame modules and box-type modules are more widely used and have established relatively complete design standards, while shear wall modules lack relevant applications.

[0005] Chinese utility model patent application number CN201920710282.2, concerning building modules and modular buildings, describes a building module and a modular building constructed based on it. The module body includes at least three pipes penetrating the module body, each pipe parallel to one edge of the module body, and the three pipes perpendicular to each other. The modular building comprises multiple building modules, with the pipes of adjacent modules aligned with each other. Prestressed steel strands pass through the pipes, tensioning and fixing adjacent building modules together.

[0006] The utility model provides a building module body that does not specify whether the module itself has the capacity to bear external loads, and the connection form between modules is relatively simple. The single prestressed steel strand connection node does not simultaneously possess high shear and bending resistance. Although the outer surface of the module body is provided with anti-slip grooves, the mechanical properties are still limited. Furthermore, the specific building embodiment involves high-rise earthquake-resistant buildings, but no effective connection node design is found to ensure the overall structure's stiffness, ductility, energy dissipation, and other related mechanical properties.

[0007] Chinese invention patent application number CN202410518294.0 discloses a concrete module and a fully precast concrete modular building structure system. The main body of the concrete module provided by this invention includes shear wall leaf plates, partition walls, a top slab, and a bottom slab. The shear wall leaf plates and partition walls are fixedly connected, and the shear wall leaf plates have a first cavity for pouring concrete inside. The top of the partition wall has a beam shell, and the beam shell has a second cavity for pouring concrete inside, which is connected to the first cavity.

[0008] The main body of the module provided by this invention has the ability to bear external loads, but the connection between the modules still adopts the traditional form of steel bar lap splicing followed by concrete pouring, which inevitably creates many restrictions on the module prefabrication, transportation, hoisting and other links. At the same time, with the increase of building height and floor area, the construction cost, construction difficulty and negative impact on the environment have all increased significantly.

[0009] Chinese invention patent application CN202410565873.0 provides a modular concrete building. The room module provided by this invention is composed of multiple splicing components, with adjacent splicing components fixedly connected by protrusions and recesses on their edges. The splicing components include side wall units and top plate units, with the side wall units vertically connected to the top plate units. Multiple rows of aligned mounting rings are evenly arranged on one side of both the side wall and top plate units. By providing support beams that pass through the mounting rings on the side wall and top plate units in different directions, the strength between the units is improved.

[0010] The room module provided by this invention does not specify whether the module itself has the capacity to bear external loads. Furthermore, the module itself is composed of multiple spliced ​​parts, increasing the number of connection nodes and the amount of construction work. Both the internal connections and the connections between modules involve pre-reserved gaps for concrete pouring, which cannot avoid the various drawbacks of on-site concrete pouring construction methods. Summary of the Invention

[0011] This invention is made to solve the above-mentioned problems, and its purpose is to provide a concrete perforated shear wall module, a concrete modular shear wall structural system and its assembly method.

[0012] This invention provides a concrete perforated shear wall module, characterized by the following features:

[0013] The shear wall panel has holes at predetermined positions, allowing the perforated concrete shear wall module to be assembled with other perforated concrete shear wall modules in the horizontal direction via connectors. The top and bottom of the shear wall panel have corresponding first and second connecting parts. The first connecting part at the top of the shear wall panel mates with the second connecting part at the bottom of other perforated concrete shear wall modules, thus enabling the vertical assembly of the perforated concrete shear wall modules. The main material of the shear wall panel is reinforced concrete. A top plate is located on top of the shear wall panel. A connecting beam is fixedly connected to the shear wall panel.

[0014] The concrete perforated shear wall module provided by the present invention may also have the following feature: it further includes a base plate, which is disposed at the bottom of the shear wall panel.

[0015] The concrete perforated shear wall module provided by the present invention may also have the following features: the holes are arranged in the same horizontal direction, so that the concrete perforated shear wall module can be assembled with other concrete perforated shear wall modules in the horizontal direction by bolts, and the shear wall plate is provided with a corner, the horizontal section of the corner is L-shaped.

[0016] The concrete perforated shear wall module provided by the present invention may also have the following features: the top surface, bottom surface and outer surface of the shear wall panel are provided with matching shear keys, the shear wall panel has a vertically embedded continuous pipe and a horizontally reserved bolt hole, the first connecting part at the top of the shear wall panel is a pre-embedded screw rod, and the second connecting part at the bottom of the shear wall panel is a pre-embedded steel connecting box.

[0017] The concrete perforated shear wall module provided by this invention may also have the following features: the shear key includes a convex key block, a concave keyway, a convex key strip, and a concave key strip. The convex key strips and concave key strips on opposite sides of the shear wall panel in the horizontal direction correspond one-to-one. A convex key block is provided on the top surface of the shear wall panel, and a concave keyway matching the length, width, and height of the convex key block is provided on the bottom surface of the shear wall panel.

[0018] The concrete perforated shear wall module provided by the present invention may also have the following features: the top surface of the shear wall panel is provided with a pre-embedded screw rod, which is located in the middle of the protruding key block. At the same time, a pre-embedded steel connecting box is provided on the bottom surface of the shear wall panel at a position corresponding to the pre-embedded screw rod. Vertically adjacent shear wall panels can be connected by the pre-embedded screw rod extending into the steel connecting box.

[0019] The concrete perforated shear wall module provided by the present invention may also have the following features: the steel connecting box is composed of five steel plates welded together, including three side steel plates, one top steel plate and one bottom steel plate. The five steel plates form a hollow cuboid with one side open. The bottom steel plate is provided with a round hole, the diameter of which is larger than the diameter of the pre-embedded screw.

[0020] The concrete perforated shear wall module provided by the present invention may also have the following feature: U-shaped steel bars are provided on the steel connecting box, and the U-shaped steel bars are welded to the side steel plates.

[0021] This invention also provides a modular concrete shear wall structure system, characterized in that the modular concrete shear wall structure system includes several perforated concrete shear wall modules, which are assembled sequentially in the vertical and horizontal directions to form the modular concrete shear wall structure system.

[0022] This invention also provides a method for assembling a modular concrete shear wall structure system, characterized by the following: prefabricating perforated concrete shear wall modules in a factory, then hoisting them on the construction site; assembling multiple perforated concrete shear wall modules by bolting them together in the horizontal direction, and by connecting them together in the vertical direction through a first connecting part and a second connecting part, to form a modular concrete building structure system.

[0023] The role and effect of invention

[0024] According to the concrete perforated shear wall module, concrete modular shear wall structure system and its assembly method involved in this invention, the perforated shear wall panel, top plate and bottom plate are prefabricated as a whole in the factory to form a concrete perforated shear wall module that can be quickly installed on the construction site. The modules adopt the same design standards, and the required components and units are suitable for large-scale production in the factory, ensuring the uniformity of quality of each concrete module and reducing economic costs. Attached Figure Description

[0025] Figure 1 This is a perspective view of the concrete perforated shear wall module in an embodiment of the present invention;

[0026] Figure 2 This is a bottom perspective view of the concrete perforated shear wall module in an embodiment of the present invention;

[0027] Figure 3 This is a schematic diagram of the connection between the pre-embedded screw and the steel connecting box in an embodiment of the present invention;

[0028] Figure 4 This is a schematic diagram of the vertical connection of the concrete perforated shear wall module in an embodiment of the present invention;

[0029] Figure 5This is a schematic diagram of the horizontal connection of the concrete perforated shear wall modules in an embodiment of the present invention;

[0030] Figure 6 This is a structural schematic diagram of a concrete perforated shear wall structure system in an embodiment of the present invention. Detailed Implementation

[0031] In the description of this application, it should be noted that, unless otherwise expressly 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, an electrical connection, or a connection that allows communication between them; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication between two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0032] To make the technical means, creative features, objectives and effects of this invention easy to understand, the following embodiments, in conjunction with the accompanying drawings, specifically illustrate the perforated shear wall module, the modular concrete shear wall structure system and its assembly method of this invention.

[0033] Figure 1 This is a perspective view of the concrete perforated shear wall module in an embodiment of the present invention. Figure 2 This is a bottom perspective view of the concrete perforated shear wall module in an embodiment of the present invention. Figure 3 This is a schematic diagram of the connection between the pre-embedded screw and the steel connecting box in an embodiment of the present invention.

[0034] like Figure 1-3 As shown, the concrete perforated shear wall module 100 in this embodiment includes a shear wall panel 10, a top plate 30, a bottom plate, and a connecting beam 20.

[0035] The main body of the concrete perforated shear wall module 100 is made of reinforced concrete. The length, width and height of the main body of the concrete perforated shear wall module 100 are 7.2 meters long, 3.6 meters wide and 3 meters high, respectively. The thickness of the shear wall panel 10 and the connecting beam 20 is 120 mm, and the thickness of the top plate 30 is 150 mm.

[0036] The shear wall panel 10 has holes at predetermined positions, and the holes are set in the same horizontal direction, so that the concrete perforated shear wall module 100 can be assembled with other concrete perforated shear wall modules 100 in the horizontal direction by bolts. The horizontal cross section of the shear wall panel 10 at the corner is L-shaped. The holes on the short side wall panel of the shear wall panel 10 are used for reserved openings for doors and windows, and the holes on the long side wall panel are used to prevent the shear wall from being too long.

[0037] The top and bottom of the shear wall panel 10 are respectively provided with corresponding pre-embedded screws 33 and pre-embedded steel connecting boxes 40. The pre-embedded screws 33 at the top of the shear wall panel 10 cooperate with the pre-embedded steel connecting boxes 40 at the bottom of the shear wall panel 10 of other concrete perforated shear wall modules 100, thereby realizing the vertical assembly of the concrete perforated shear wall modules 100. The main material of the shear wall panel 10 is reinforced concrete.

[0038] The top, bottom, and outer surfaces of the shear wall panel 10 are provided with matching shear keys. The shear keys include a convex key block 31, a concave keyway 32, a convex key strip 36, and a concave key strip 37. The top surface of the shear wall panel 10 is provided with a convex key block 31, and the bottom surface of the shear wall panel 10 is provided with a concave keyway 32 that matches the length, width, and height of the convex key block 31. The convex key strips 36 and concave key strips 37 on opposite sides of the shear wall panel 10 in the horizontal direction correspond one-to-one.

[0039] The shear wall panel 10 has a vertically embedded continuous pipe and a horizontally reserved bolt hole. The embedded screw 33 is located in the middle of the protruding key block 31. At the same time, an embedded steel connection box 40 is set on the bottom surface of the shear wall panel 10 at a position corresponding to the embedded screw 33. Vertically adjacent shear wall panels 10 can be connected by the embedded screw 33 extending into the steel connection box 40.

[0040] The steel connecting box 40 is constructed by welding five steel plates, including three side steel plates 41, a top steel plate 42, and a bottom steel plate 43. The five steel plates form a hollow cuboid with one open side. The bottom steel plate 43 has a round hole with a diameter slightly larger than that of the pre-embedded screw 33. U-shaped steel bars 44 are installed on the steel connecting box 40 and welded to the side steel plates 41 to strengthen the concrete anchoring of the steel connecting box 40 in the shear wall panel 10. The opening of the steel connecting box 40 faces the inside of the module, forming an operating manhole. After the pre-embedded screw 33 extends into the steel connecting box 40, it is tightened through the operating manhole using a pad 45 and a nut 46 to reinforce the connection. The operating manhole is then filled with mortar.

[0041] The top plate 30 is located on top of the shear wall panel 10.

[0042] The base plate is located at the bottom of the shear wall panel 10.

[0043] The connecting beam 20 is fixedly connected to the shear wall panel 10.

[0044] Figure 4 This is a schematic diagram of the vertical connection of the concrete perforated shear wall module in an embodiment of the present invention. Figure 5 This is a schematic diagram of the horizontal connection of concrete perforated shear wall modules in an embodiment of the present invention. Figure 6 This is a schematic diagram of the overall structure of the modular concrete shear wall structure system in an embodiment of the present invention.

[0045] like Figure 4-6 As shown, the concrete modular shear wall structure system includes several concrete perforated shear wall modules 100, which are assembled sequentially in the vertical and horizontal directions to form the concrete modular shear wall structure system.

[0046] The specific assembly method for the modular concrete shear wall structure system is as follows:

[0047] Shear wall panels 10 are prefabricated in the factory and then hoisted on the construction site. Horizontally adjacent concrete modular shear wall modules are aligned with shear keys and pre-drilled bolt holes, then spliced ​​and fixed with bolts. Vertically adjacent modules are aligned with shear keys and pre-drilled continuous ducts, then spliced ​​and fixed with prestressed tendons 34 and bolts 33, forming a concrete modular building structure system. All building modules are assembled by repeating the horizontal and vertical module installation steps. During this process, vertical pipes penetrating the shear wall panels 10 are aligned. After assembly, prestressed tendons 34 are inserted to connect all vertically perforated concrete shear wall modules 100 to form a whole.

[0048] The role and effect of the embodiments

[0049] According to the present invention, a perforated concrete shear wall module, a modular concrete shear wall and its assembly method are prefabricated in a factory, and the perforated shear wall panel, top plate and bottom plate are prefabricated as a whole to form a perforated concrete shear wall module that can be quickly installed on the construction site. The modules adopt the same design standards, and the required components and units are suitable for large-scale production in the factory, ensuring the uniformity of quality of each concrete module and reducing economic costs.

[0050] The vertical connection uses a combination of screws and key blocks, while the horizontal connection uses a combination of bolts and key strips, which can better ensure the rigidity of the overall structure.

[0051] The module body provided by this invention has the ability to withstand external loads. The modules are assembled into an integral structure through reasonably constructed, easy-to-install, and high-performance connecting node components, without the need for additional cast-in-place or prefabricated main structure.

[0052] This invention primarily involves dry on-site operations, facilitating the production, transportation, installation, and assembly of prefabricated components. It effectively avoids the drawbacks of wet connection methods such as sleeve grouting and pre-drilled hole anchoring, reducing potential errors from manual operation and significantly improving the integrity, safety, and construction efficiency of modular buildings. Furthermore, the shear wall modules and connection nodes exhibit excellent mechanical properties, making them suitable for high-intensity seismic zones or buildings requiring strong earthquake resistance, and applicable to projects such as dormitories, hotels, and residential community renovations.

[0053] The corner is equipped with an L-shaped shear wall panel, and the corner part is a whole instead of two shear wall panels connected together, which can greatly improve the strength of the mold.

[0054] Those skilled in the art should understand that this invention is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of the invention. Various changes and modifications can be made to this invention without departing from its spirit and scope, and all such changes and modifications fall within the scope of the invention as claimed. The scope of protection of this invention is defined by the appended claims and their equivalents.

Claims

1. A concrete perforated shear wall module, characterized in that, include: The shear wall panel has holes at predetermined positions, allowing the perforated concrete shear wall module to be assembled with other perforated concrete shear wall modules in the horizontal direction via connectors. The top and bottom of the shear wall panel are respectively provided with mating first and second connecting parts. The first connecting part at the top of the shear wall panel mates with the second connecting part at the bottom of other perforated concrete shear wall modules, thereby enabling the vertical assembly of the perforated concrete shear wall modules. The main material of the shear wall panel is reinforced concrete. A top plate, which is disposed on top of the shear wall panel; The connecting beam is fixedly connected to the shear wall panel; and A base plate, wherein the base plate is disposed at the bottom of the shear wall panel. The shear wall panel has matching shear keys on its top, bottom, and outer surfaces. Each shear key includes a convex key block, a convex key strip, and a concave key strip. The top surface of the shear wall panel is provided with a pre-embedded screw, which is located in the middle of the protruding key block. At the same time, a pre-embedded steel connecting box is provided on the bottom surface of the shear wall panel at a position corresponding to the pre-embedded screw. Vertically adjacent shear wall panels can be connected by the pre-embedded screw extending into the steel connecting box. The shear wall panel has horizontally reserved bolt holes and is provided with corresponding convex key strips and concave key strips on opposite sides.

2. The concrete perforated shear wall module according to claim 1, characterized in that: in, The holes are arranged in the same horizontal direction, so that the concrete perforated shear wall module can be assembled with other concrete perforated shear wall modules in the horizontal direction by bolts. The shear wall panel has a corner, and the horizontal cross section of the corner is L-shaped.

3. The concrete perforated shear wall module according to claim 1, characterized in that: in, The shear wall panel has a vertically embedded continuous pipe, the first connecting part at the top of the shear wall panel is a pre-embedded screw, and the second connecting part at the bottom of the shear wall panel is a pre-embedded steel connecting box.

4. The concrete perforated shear wall module according to claim 1, characterized in that: in, The shear key also includes a recessed keyway, and a protruding key block is provided on the top surface of the shear wall plate. At the same time, a recessed keyway matching the length, width and height of the protruding key block is provided on the bottom surface of the shear wall plate.

5. The concrete perforated shear wall module according to claim 1, characterized in that: in, The steel connecting box is welded from five steel plates, including three side steel plates, one top steel plate and one bottom steel plate. The five steel plates form a hollow cuboid with one open side. The bottom steel plate has a round hole with a diameter larger than that of the pre-embedded screw.

6. The concrete perforated shear wall module according to claim 5, characterized in that: in, The steel connecting box is provided with U-shaped steel bars, which are welded to the side steel plate.

7. A modular concrete shear wall structure system, characterized in that, The system includes several concrete perforated shear wall modules as described in any one of claims 1-6, wherein the concrete perforated shear wall modules are assembled sequentially in the vertical and horizontal directions to form a concrete modular shear wall structure system.

8. A method for assembling a modular concrete shear wall structure system as described in claim 7, characterized in that, The assembly method is as follows: Prefabricated concrete perforated shear wall modules are manufactured in the factory and then hoisted on the construction site. Multiple concrete perforated shear wall modules are assembled horizontally by bolts and vertically by first and second connecting parts to form a modular concrete building structure system.

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