Fabricated building wall T-shaped joint connecting structure and construction method thereof

Abstract

The invention relates to a fabricated building wall T-shaped joint connecting structure and a construction method thereof.The fabricated building wall T-shaped joint connecting structure comprises a first steel concrete wall plate, a second steel concrete wall plate and a third steel concrete wall plate, the first steel concrete wall plate is provided with a first mounting groove, the first mounting groove is provided with a first steel bar frame, the second steel concrete wall plate is provided with a second mounting groove, and the first steel bar frame is embedded into the second mounting groove; a second steel bar frame is arranged in the second mounting groove and is embedded into the first mounting groove; the third steel concrete wallboard is provided with a third mounting groove, the third mounting groove is provided with a third steel bar frame, and the third steel bar frame is embedded into the first mounting groove and the second mounting groove. After concrete pouring is completed, the first steel bar frame, the second steel bar frame and the third steel bar frame are used for improving the structural integrity and strength of the first steel concrete wall plate, the second steel concrete wall plate and the third steel concrete wall plate, and therefore the anti-seismic performance is improved.

Description

Technical Field

[0001] The present application relates to the field of building construction, and in particular to a T-shaped node connection structure of an assembled building wall and a construction method thereof. Background Art

[0002] Prefabricated structure is the abbreviation of prefabricated concrete structure, which is a concrete structure formed by assembling or connecting prefabricated components as the main load-bearing components.

[0003] Referring to Chinese utility model patent number CN210827874U, a prefabricated wall panel connection node is disclosed, comprising a first prefabricated wall panel, a second prefabricated wall panel, and a connection node. A side of the first prefabricated wall panel and an end of the second prefabricated wall panel are connected via the connection node. A connection hole is provided on one side of the first prefabricated wall panel. Vertically mounted return springs are fixedly attached to the upper and lower inner walls of the connection hole. Guide holes are provided at both the upper and lower ends of the connection hole. A filling layer is provided at one end of the second prefabricated wall panel. A connecting plate is fixedly attached to one side of the filling layer. A protrusion is provided on the inner side of the connecting plate. Guide protrusions are provided at both the upper and lower ends of the protrusions. The guide protrusions slide in engagement with the guide holes. A compression spring is horizontally disposed within the guide holes. The protrusions engage with the connection holes. The first and second prefabricated wall panels engage with the protrusions through the connection holes. The return spring clamps the protrusions, facilitating connection of the prefabricated wall panels. The guide protrusions engage with the guide holes to facilitate entry of the protrusions into the connection holes.

[0004] In actual use, the joints of such prefabricated structures have weak structural integrity, which reduces the seismic resistance and structural strength of the overall structure and needs to be improved. Summary of the Invention

[0005] In order to improve the integrity and structural strength of prefabricated structures, the present application provides a T-node connection structure for a prefabricated building wall and a construction method thereof.

[0006] This application provides a prefabricated building wall T-node connection structure and a construction method thereof, which adopts the following technical solutions: A T-node connection structure of an assembled building wall includes a first steel concrete wall panel, a second steel concrete wall panel and a third steel concrete wall panel, the first steel concrete wall panel and the second steel concrete wall panel are in the same horizontal plane, the third steel concrete wall panel is perpendicular to the first steel concrete wall panel, the first steel concrete wall panel is provided with a first installation groove, the first installation groove is located at one end of the first steel concrete wall panel close to the second steel concrete wall panel, the first installation groove is provided with a first steel bar frame, the second steel concrete wall panel is provided with a second installation groove, the first steel bar frame is embedded in the second installation groove, the second installation groove is provided with a second steel bar frame, the second steel bar frame is embedded in the first installation groove; the third steel concrete wall panel is provided with a third installation groove, the third installation groove connects the first installation groove and the second installation groove, the first installation groove, the second installation groove and the third installation groove form a pouring cavity for concrete pouring, the third installation groove is provided with a third steel bar frame, the third steel bar frame is embedded in the first installation groove and the second installation groove.

[0007] By adopting the above technical solution, a first steel frame, a second steel frame and a third steel frame are set, and the third steel frame is embedded in the first installation groove and the second installation groove. After the concrete pouring is completed, the first steel frame, the second steel frame and the third steel frame are used to increase the integrity and strength of the first steel concrete wall panel, the second steel concrete wall panel and the third steel concrete wall panel structure, thereby improving its seismic performance.

[0008] Optionally, the first steel bar frame, the second steel bar frame and the third steel bar frame are evenly spaced along the vertical direction, and the first steel bar frame, the second steel bar frame and the third steel bar frame form a fixed groove along the horizontal direction; and also include a fixed steel bar group, the fixed steel bar group is used to be embedded in the fixed groove, and the fixed steel bar group contacts the first steel bar frame, the second steel bar frame and the third steel bar frame.

[0009] By adopting the above technical solution, a fixed steel bar group is set up, which is used to resist the first steel bar frame, the second steel bar frame and the third steel bar frame, reduce the movement of the first steel concrete wall panel, the second steel concrete wall panel and the third steel concrete wall panel, and assist in fixing the first steel concrete wall panel and the second steel concrete wall panel during the pouring project, thereby improving the stability of the pouring.

[0010] Optionally, the fixed steel bar group includes connecting steel bars, limiting steel bars and horizontal steel bars. The limiting steel bars are embedded in the fixing grooves. The length direction of the horizontal steel bars is parallel to the length direction of the limiting steel bars. The horizontal steel bars are used to contact the outer wall of the first steel bar frame. The connecting steel bars connect the limiting steel bars and the horizontal steel bars.

[0011] By adopting the above technical solution, connecting steel bars, limiting steel bars and horizontal steel bars are set. The limiting steel bars are used to be embedded in the fixing groove to assist in limiting the separation of the first steel bar frame, the second steel bar frame and the third steel bar frame, thereby reducing the movement of the first steel concrete wall panel, the second steel concrete wall panel and the third steel concrete wall panel. The horizontal steel bars are used to resist the outer wall of the first steel bar frame. The connecting steel bars connect the limiting steel bars and the horizontal steel bars to reduce the bending of the limiting steel bars and the horizontal steel bars.

[0012] Optionally, the first installation groove wall is provided with inclined surface one and inclined surface two, inclined surface one is located on the side of the first installation groove wall away from the third steel concrete wall panel, and inclined surface one extends in the direction away from the third steel concrete wall panel along the direction close to the bottom of the first installation groove, and inclined surface two is located on the side of the first installation groove wall close to the third steel concrete wall panel, and inclined surface two extends in the direction close to the bottom of the first installation groove towards the direction close to the third steel concrete wall panel.

[0013] By adopting the above technical solution, inclined surface one and inclined surface two are set. When the first steel concrete wall panel tends to move away from the second steel concrete wall panel, inclined surface one and inclined surface two are used to make the molded parts formed in the casting cavity collide with it, thereby increasing the force-bearing area. When the first steel concrete wall panel tends to move toward the second steel concrete wall panel, inclined surface one and inclined surface two are used to assist in bearing pressure, thereby improving the overall seismic performance. Secondly, casting parts of this shape improve the overall anti-seepage performance and reduce liquid infiltration.

[0014] In a second aspect, the present application provides a construction method for a prefabricated building wall T-node connection structure, which adopts the following technical solution: comprising the above-mentioned prefabricated building wall T-node connection structure, and further comprising the following steps: S1: Base treatment: clean the installation area, repair uneven base, and bury connecting steel bars or weld plates for correction; S2: Build the main structure: vertically install the third steel concrete wall panel on the base, move the first steel concrete wall panel and the second steel concrete wall panel close to the third steel concrete wall panel, and temporarily fix the first steel concrete wall panel and the second steel concrete wall panel; S3: Install the template, close the casting cavity and reserve the casting hole; S4: pouring concrete until the concrete reaches the opening of the pouring cavity; removing the formwork after the concrete is formed.

[0015] In summary, this application includes at least one of the following beneficial technical effects: 1. A first steel frame, a second steel frame, and a third steel frame are provided, and the third steel frame is embedded in the first installation groove and the second installation groove. After the concrete pouring is completed, the first steel frame, the second steel frame, and the third steel frame are used to increase the integrity and strength of the first steel concrete wall panel, the second steel concrete wall panel, and the third steel concrete wall panel, thereby improving their seismic performance; 2. Connecting steel bars, limiting steel bars, and horizontal steel bars are provided. The limiting steel bars are used to be embedded in the fixing grooves to help limit the separation of the first steel bar frame, the second steel bar frame, and the third steel bar frame, thereby reducing the movement of the first steel concrete wall panel, the second steel concrete wall panel, and the third steel concrete wall panel. The horizontal steel bars are used to resist the outer wall of the first steel bar frame. The connecting steel bars connect the limiting steel bars and the horizontal steel bars to reduce the bending of the limiting steel bars and the horizontal steel bars. 3. Set inclined surface one and inclined surface two. When the first steel concrete wall panel tends to move away from the second steel concrete wall panel, inclined surface one and inclined surface two are used to make the molded parts formed in the casting cavity collide with it, thereby increasing the force-bearing area. When the first steel concrete wall panel tends to move toward the second steel concrete wall panel, inclined surface one and inclined surface two are used to assist in bearing pressure, thereby improving the overall seismic performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is an overall schematic diagram of the embodiment.

[0017] Figure 2 It is a partial schematic diagram of an embodiment, mainly showing the fixed steel bar group.

[0018] Figure 3 It is a partial schematic diagram of an embodiment, mainly showing the fixing groove.

[0019] Explanation of the accompanying drawings: 1. First steel concrete wall panel; 2. Second steel concrete wall panel; 3. Third steel concrete wall panel; 4. Fixed steel bar group; 41. Connecting steel bar; 42. Limiting steel bar; 43. Horizontal steel bar; 5. First mounting groove; 6. First steel bar frame; 7. Second mounting groove; 8. Second steel bar frame; 9. Inclined surface one; 10. Inclined surface two; 11. Third mounting groove; 12. Fixed groove; 13. Casting cavity; 14. Third steel bar frame. DETAILED DESCRIPTION

[0020] The present application is further described in detail below with reference to the accompanying drawings.

[0021] The present application discloses a T-shaped node connection structure for an assembled building wall. Figures 1 to 3 , including a first steel concrete wall panel 1, a second steel concrete wall panel 2, a third steel concrete wall panel 3 and a fixed steel bar group 4, the first steel concrete wall panel 1 and the second steel concrete wall panel 2 are on the same horizontal plane, and the third steel concrete wall panel 3 is perpendicular to both the first steel concrete wall panel 1 and the second steel concrete wall panel 2. In this application, the first steel concrete wall panel 1 and the second steel concrete wall panel 2 have the same structure.

[0022] The first reinforced concrete wall panel 1 is provided with a first mounting groove 5, which is located at one end of the first reinforced concrete wall panel 1 near the second reinforced concrete wall panel 2. The first mounting groove 5 is provided with a first reinforcement frame 6, and the second reinforced concrete wall panel 2 is provided with a second mounting groove 7. The first reinforcement frame 6 extends toward the bottom of the second mounting groove 7 and is embedded in the second mounting groove 7. The second mounting groove 7 is provided with a second reinforcement frame 8, which is used to be embedded in the first mounting groove 5.

[0023] The wall of the first installation groove 5 is provided with an inclined surface 19 and an inclined surface 2 10. The inclined surface 19 is located on the side of the wall of the first installation groove 5 away from the third reinforced concrete wall panel 3. The inclined surface 19 extends in the direction away from the third reinforced concrete wall panel 3 along the direction close to the bottom of the first installation groove 5. The inclined surface 2 10 is located on the side of the wall of the first installation groove 5 close to the third reinforced concrete wall panel 3. The inclined surface 2 10 extends in the direction close to the bottom of the first installation groove 5 towards the direction close to the third reinforced concrete wall panel 3.

[0024] The third steel concrete wall panel 3 is in conflict with the first steel concrete wall panel 1 and the second steel concrete wall panel 2. The third steel concrete wall panel 3 is provided with a third installation groove 11. The third installation groove 11 is located on the side of the third steel concrete wall panel 3 close to the first steel concrete wall panel 1. The third installation groove 11 is used to connect the first installation groove 5 and the second installation groove 7.

[0025] In actual use, the first mounting groove 5 , the second mounting groove 7 and the third mounting groove 11 are all provided with a corresponding inclined surface 1 9 and an inclined surface 2 10 .

[0026] When the third mounting groove 11 is connected to the first mounting groove 5 and the second mounting groove 7, the first mounting groove 5, the second mounting groove 7 and the third mounting groove 11 form a pouring cavity 13 for pouring concrete. The third mounting groove 11 is provided with a third steel bar frame 14, which is embedded in the first mounting groove 5 and the second mounting groove 7.

[0027] The first reinforcement frame 6 , the second reinforcement frame 8 and the third reinforcement frame 14 are evenly spaced apart in the vertical direction, and the first reinforcement frame 6 , the second reinforcement frame 8 and the third reinforcement frame 14 form a fixing groove 12 in the horizontal direction.

[0028] The fixed steel bar group 4 is used to be embedded in the fixing groove 12 , and the fixed steel bar group 4 simultaneously contacts the first steel bar frame 6 , the second steel bar frame 8 and the third steel bar frame 14 to assist in fixing the first steel bar frame 6 , the second steel bar frame 8 and the third steel bar frame 14 .

[0029] The fixed steel bar group 4 includes a connecting steel bar 41, a limiting steel bar 42 and a horizontal steel bar 43. There is one limiting steel bar 42, and the limiting steel bar 42 is used to embed in the fixed groove 12. The length direction of the horizontal steel bar 43 is parallel to the length direction of the limiting steel bar 42. There are three horizontal steel bars 43. The horizontal steel bar 43 located in the first installation groove 5 abuts against the outer wall of the second steel bar frame 8, the horizontal steel bar 43 located in the second installation groove 7 abuts against the outer wall of the first steel bar frame 6, and the horizontal steel bar 43 located between the first installation groove 5 and the second installation groove 7 abuts against the outer wall of the first steel bar frame 6 and the outer wall of the second steel bar frame 8 at the same time. There are two connecting steel bars 41, and the two connecting steel bars 41 are respectively located at both ends of the limiting steel bar 42. The connecting steel bar 41 is used to connect the limiting steel bar 42 and the horizontal steel bar 43.

[0030] In actual use, one connecting steel bar 41 is fixedly connected to the limiting steel bar 42 and the horizontal steel bar 43, and the connecting steel bar 41 on the other side is connected to the limiting steel bar 42 and the horizontal steel bar 43 by welding after the fixing steel bar group 4 is embedded in the fixing groove 12.

[0031] The implementation principle of the T-type node connection structure of the prefabricated building wall in the embodiment of the present application is: before the pouring cavity 13 needs to be poured, the first steel concrete wall panel 1, the second steel concrete wall panel 2, and the third steel concrete wall panel 3 are temporarily fixed, and auxiliary fixation is performed by fixing the steel bar group 4.

[0032] After the pouring is completed, the fixed steel bar group 4 improves the structural strength of the pouring piece, and the pouring piece of this shape improves the overall seismic performance and reduces the possibility of liquid infiltration.

[0033] A method for constructing a T-joint of an assembled building wall comprises the above-mentioned T-joint connection structure of an assembled building wall, and further comprises the following steps: S1: Base treatment: clean the installation area, repair uneven base, embed connecting steel bars 41 or correct welding plates; S2: Build the main structure: vertically install the third steel concrete wall panel 3 on the base layer, move the first steel concrete wall panel 1 and the second steel concrete wall panel 2 close to the third steel concrete wall panel 3, and temporarily fix the first steel concrete wall panel 1 and the second steel concrete wall panel 2; then embed the limiting steel bar 42 into the fixing groove 12, and quickly fix the limiting steel bar 42 and the horizontal steel bar 43 by welding.

[0034] S3: Install the template, which closes the opening of the casting cavity 13 and reserves a casting hole; S4: pouring concrete until the concrete reaches the opening of the pouring cavity 13; removing the formwork after the concrete is formed.

[0035] The implementation principle of the construction method of a T-type node connection structure of an assembled building wall in an embodiment of the present application is: by fixing the steel bar group 4 to assist in improving the overall strength of the connection structure, the cast part after casting is improved through the interference between the inclined surface 1 9 and the inclined surface 2 10 to improve the overall seismic resistance and anti-separation performance.

[0036] The above are all preferred embodiments of the present application, and are not intended to limit the scope of protection of the present application. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application should be included in the scope of protection of the present application.

Claims

1. A T-joint connection structure of an assembled building wall, comprising a first steel concrete wall panel (1), a second steel concrete wall panel (2) and a third steel concrete wall panel (3), wherein the first steel concrete wall panel (1) and the second steel concrete wall panel (2) are in the same horizontal plane, and the third steel concrete wall panel (3) is perpendicular to the first steel concrete wall panel (1), characterized in that: The first reinforced concrete wall panel (1) is provided with a first installation groove (5), the first installation groove (5) is located at one end of the first reinforced concrete wall panel (1) close to the second reinforced concrete wall panel (2), the first installation groove (5) is provided with a first reinforcement frame (6), the second reinforced concrete wall panel (2) is provided with a second installation groove (7), the first reinforcement frame (6) is embedded in the second installation groove (7), the second installation groove (7) is provided with a second reinforcement frame (8), and the second reinforcement frame (8) is embedded in the first installation groove (5); The third reinforced concrete wall panel (3) is provided with a third installation groove (11), the third installation groove (11) is connected to the first installation groove (5) and the second installation groove (7), the first installation groove (5), the second installation groove (7) and the third installation groove (11) form a pouring cavity (13) for pouring concrete, and the third installation groove (11) is provided with a third steel bar frame (14), and the third steel bar frame (14) is embedded in the first installation groove (5) and the second installation groove (7).

2. The T-joint connection structure of the assembled building wall according to claim 1, characterized in that: The first steel frame (6), the second steel frame (8) and the third steel frame (14) are evenly spaced in a vertical direction, and the first steel frame (6), the second steel frame (8) and the third steel frame (14) form a fixing groove (12) in a horizontal direction; It also includes a fixed steel bar group (4), which is used to be embedded in the fixed groove (12), and the fixed steel bar group (4) is in contact with the first steel bar frame (6), the second steel bar frame (8) and the third steel bar frame (14).

3. The T-joint connection structure of the assembled building wall according to claim 2, characterized in that: The fixed steel bar group (4) includes a connecting steel bar (41), a limiting steel bar (42) and a horizontal steel bar (43). The limiting steel bar (42) is embedded in the fixing groove (12). The length direction of the horizontal steel bar (43) is parallel to the length direction of the limiting steel bar (42). The horizontal steel bar (43) is used to contact the outer wall of the first steel bar frame (6). The connecting steel bar (41) connects the limiting steel bar (42) and the horizontal steel bar (43).

4. The T-joint connection structure of the assembled building wall according to claim 2, characterized in that: The first installation groove (5) is provided with an inclined surface 1 (9) and an inclined surface 2 (10), wherein the inclined surface 1 (9) is located on a side of the first installation groove (5) away from the third reinforced concrete wall panel (3), and the inclined surface 1 (9) extends in a direction close to the bottom of the first installation groove (5) in a direction away from the third reinforced concrete wall panel (3), and the inclined surface 2 (10) is located on a side of the first installation groove (5) near the third reinforced concrete wall panel (3), and the inclined surface 2 (10) extends in a direction close to the bottom of the first installation groove (5) in a direction close to the third reinforced concrete wall panel (3).

5. A construction method for the assembled building wall T-joint connection structure according to any one of claims 1 to 4, characterized in that: The steps include: S1: Base treatment: clean the installation area, repair unevenness of the base, and pre-embed connecting steel bars (41) or weld plate correction; S2: Building the main structure: vertically installing the third steel concrete wall panel (3) on the base layer, moving the first steel concrete wall panel (1) and the second steel concrete wall panel (2) close to the third steel concrete wall panel (3), and temporarily fixing the first steel concrete wall panel (1) and the second steel concrete wall panel (2); S3: Install the template, which closes the opening of the casting cavity (13) and reserves a casting hole; S4: pouring concrete until the concrete reaches the opening of the pouring cavity (13); removing the formwork after the concrete is formed.

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