Vertical connecting structure for fabricated prefabricated wall panels

Abstract

A vertical connection structure for fabricated prefabricated wallboards relates to the technical field of fabricated buildings and comprises a prefabricated concrete shear wall in up-down connection fit with a shear wall at a floor, a plurality of hollow holes are formed in the middle of the prefabricated concrete shear wall in a penetrating mode in the vertical direction, and a plurality of vertical steel bars are reserved in the middle of the shear wall at the floor. The hollow holes correspond to the vertical steel bars in a one-to-one mode, when the hollow holes and the vertical steel bars are connected and matched up and down, the vertical steel bars stretch into and are contained in the axis positions of the hollow holes, concrete at the positions of the hollow holes of the prefabricated concrete shear wall is poured through core grouting, and installation of the prefabricated concrete shear wall is completed. And the prefabricated concrete shear wall and the shear wall at the floor form a whole. According to the utility model, the vertical connection stress of the prefabricated wallboard is reliable, the standardization of the prefabricated wallboard is realized, the construction is convenient, and the construction cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of assembled buildings, in particular to an assembled prefabricated wall panel vertical connection structure. Background Art

[0002] Since 2016, the development of prefabricated buildings has been vigorously promoted. Vertical prefabrication of the main structure has also become a trend. With the continuous advancement of my country's prefabricated construction technology, more and more research has been conducted on vertical prefabrication of prefabricated structures. At present, in high-rise concrete shear wall systems, the vertical connection methods of shear walls mainly use sleeve grouting connection, mechanical connection and other connection methods. Among them, the most widely used connection method is sleeve grouting connection. However, the sleeve grouting technology requires high precision in the construction of sleeve connections of prefabricated components, and the cost of sleeve connections is high, so its application cannot be promoted. Utility Model Content

[0003] The purpose of the utility model is to propose an assembled prefabricated wall panel vertical connection structure and a construction method thereof, so as to realize the standardization of prefabricated shear wall panels and improve the installation efficiency of prefabricated shear wall panels. At the same time, large-diameter vertical stress-bearing steel bars are placed in the hollow holes, the stress is reliable, the connection becomes simple, the quality is easy to ensure, the quality of house construction can be guaranteed and the construction cost can be reduced.

[0004] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0005] A prefabricated vertical connection structure of assembled prefabricated wall panels comprises a prefabricated concrete shear wall connected and matched with a shear wall at a floor, a plurality of hollow holes are provided in the middle of the prefabricated concrete shear wall along the vertical direction, a plurality of vertical steel bars are reserved in the middle of the shear wall at the floor, the plurality of hollow holes correspond to the plurality of vertical steel bars one by one, when connected and matched up and down, the vertical steel bars extend into and are accommodated at the axis position of the hollow holes, the installation of the prefabricated concrete shear wall is completed by pouring concrete at the hollow hole position of the prefabricated concrete shear wall, so that the prefabricated concrete shear wall and the shear wall at the floor form a whole.

[0006] Furthermore, the precast concrete shear wall is composed of horizontal distribution bars, vertical distribution bars, annular tie bars, and cast-in-place edge components, and the horizontal distribution bars, vertical distribution bars, and annular tie bars form a precast frame.

[0007] Furthermore, the diameter of the hollow hole is 100 mm, and the vertical steel bars are large-diameter steel bars with a diameter of more than 16 mm.

[0008] Furthermore, the annular tie steel bar is a closed annular steel bar formed by welding.

[0009] A construction method for a prefabricated vertical connection structure of assembled prefabricated wall panels comprises the following steps:

[0010] Step 1: reserve a number of vertical steel bars in the middle of the shear wall at the floor level, wherein the position of the vertical steel bars is aligned with the position of the hollow hole of the precast concrete shear wall;

[0011] Step 2: Align the hollow holes of the upper precast concrete shear wall body panels with the vertical steel bars and insert them into the hollow holes to achieve overlapping connection of the vertical steel bars;

[0012] Step 3: Pour the concrete in the hollow hole to complete the installation of the component and make the component form a whole.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] The utility model proposes an assembled prefabricated wall panel vertical connection structure and a construction method thereof, wherein the shear walls at the floors are connected up and down by vertical steel bars, thereby improving the seismic performance and reliability of the vertical connection of the shear walls, achieving the green and low-carbon effect of assembled buildings, making the connection of the vertical steel bars of the assembled hollow concrete shear walls simple, the quality easy to ensure, and the productivity improved, thereby ensuring the quality of house construction and reducing construction costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0016] Figure 1 This is a schematic diagram of the application state of the utility model;

[0017] Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model;

[0018] Figure 3 It is a schematic diagram of the structure of the utility model from top view.

[0019] In the figure: 1. Precast concrete shear wall, 2. Hollow hole, 3. Vertical steel bars, 4. Horizontal distribution bars, 5. Vertical distribution bars, 6. Annular tie bars, 7. Cast-in-place edge components, 8. Shear wall at the floor. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention are described clearly and completely below. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0021] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "vertical", "horizontal", "inside", "outside", etc., indicating orientations or positional relationships, are 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 cannot be understood as a limitation on the present invention.

[0022] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0023] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" and "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0024] like Figure 1-3 As shown, a prefabricated vertical connection structure of prefabricated wall panels includes a precast concrete shear wall 1 connected and matched with the shear wall 8 at the floor, a plurality of hollow holes 2 are vertically penetrated in the middle of the precast concrete shear wall 1, a plurality of vertical steel bars 3 are reserved in the middle of the shear wall 8 at the floor, and the plurality of hollow holes 2 correspond to the plurality of vertical steel bars 3 one by one. When connected and matched up and down, the vertical steel bars 3 extend into and are accommodated at the axial position of the hollow hole 2. The installation of the precast concrete shear wall 1 is completed by pouring concrete at the position of the hollow hole 2 of the precast concrete shear wall 1, so that the precast concrete shear wall 1 and the shear wall 8 at the floor form a whole.

[0025] Specifically, as shown in the figure, the precast concrete shear wall 1 is composed of horizontal distribution bars 4, vertical distribution bars 5, annular tie bars 6, and cast-in-place edge components 7. The horizontal distribution bars 4, vertical distribution bars 5, and annular tie bars 6 form a precast frame.

[0026] Specifically, as shown in the figure, the diameter of the hollow hole 2 is 100 mm, and the vertical steel bar 3 is a large-diameter steel bar with a diameter of more than 16 mm.

[0027] Specifically, as shown in the figure, the annular tie steel bar 6 is a closed annular steel bar formed by welding.

[0028] A construction method for a prefabricated vertical connection structure of assembled prefabricated wall panels comprises the following steps:

[0029] Step 1: reserve a number of vertical steel bars 3 in the middle of the shear wall at the floor, wherein the positions of the vertical steel bars 3 are aligned with the positions of the hollow holes of the precast concrete shear wall 1;

[0030] Step 2: Align the hollow holes of the upper precast concrete shear wall 1 with the vertical steel bars 3 and insert them into the hollow holes to achieve overlapping connection of the vertical steel bars;

[0031] Step 3: Pour the concrete in the hollow hole 2 to complete the installation of the component and make the component form a whole.

[0032] The utility model proposes an assembled prefabricated wall panel vertical connection structure and a construction method thereof, wherein the shear walls at the floors are connected up and down by vertical steel bars, thereby improving the seismic performance and reliability of the vertical connection of the shear walls, achieving the green and low-carbon effect of assembled buildings, making the connection of the vertical steel bars of the assembled hollow concrete shear walls simple, the quality easy to ensure, and the productivity improved, thereby ensuring the quality of house construction and reducing construction costs.

[0033] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

[0034] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A prefabricated vertical connection structure of assembled prefabricated wall panels, characterized in that: The invention comprises a precast concrete shear wall (1) connected and matched with a shear wall (8) at a floor level, wherein a plurality of hollow holes (2) are provided in the middle of the precast concrete shear wall (1) along the vertical direction, and a plurality of vertical steel bars (3) are reserved in the middle of the shear wall (8) at the floor level, wherein the plurality of hollow holes (2) correspond to the plurality of vertical steel bars (3) one by one, and when connected and matched up and down, the vertical steel bars (3) extend into and are accommodated at the axial position of the hollow holes (2), and the installation of the precast concrete shear wall (1) is completed by pouring concrete at the position of the hollow holes (2) of the precast concrete shear wall (1), so that the precast concrete shear wall (1) and the shear wall (8) at the floor level form a whole.

2. The vertical connection structure of prefabricated wall panels according to claim 1 is characterized in that: The precast concrete shear wall (1) is composed of horizontal distribution bars (4), vertical distribution bars (5), annular tie bars (6), and cast-in-place edge components (7); the horizontal distribution bars (4), vertical distribution bars (5), and annular tie bars (6) form a precast frame.

3. The vertical connection structure of prefabricated wall panels according to claim 2 is characterized in that: The diameter of the hollow hole (2) is 100 mm, and the vertical steel bars (3) are large-diameter steel bars with a diameter of more than 16 mm.

4. The vertical connection structure of prefabricated wall panels according to claim 3 is characterized in that: The annular tie steel bar (6) is a closed annular steel bar formed by welding.

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