Connection joint of PC wall, curtain wall and steel structure and construction method

Abstract

The invention provides a connecting joint of a PC wall, a curtain wall and a steel structure and a construction method, and relates to the technical field of fabricated buildings. The connecting joint of the PC wall, the curtain wall and the steel structure comprises the PC wall, the curtain wall, a steel beam, a first connecting assembly, a second connecting assembly and a plurality of fastening assemblies. The first connecting assembly is connected with the top side of the floor plate, the steel beam is connected with the bottom side of the floor plate, and the second connecting assembly is connected with the steel beam. The PC wall comprises an upper-layer PC wall, a lower-layer PC wall and a side PC wall, the upper-layer PC wall is connected with the first connecting assembly, and the lower-layer PC wall is connected with the second connecting assembly; the side PC wall is connected with the side wall of the floor plate, and the curtain wall is connected with the side PC wall; one fastening assembly penetrates through the curtain wall, the side PC wall, the first connecting assembly and the upper-layer PC wall and is connected, and the other fastening assembly penetrates through the curtain wall, the side PC wall, the second connecting assembly and the lower-layer PC wall and is connected. The connecting stability among the PC wall, the curtain wall and the steel structure can be improved.

Description

Technical Field

[0001] The present application relates to the technical field of prefabricated buildings, and in particular to a connection node and a construction method for a PC wall, a curtain wall and a steel structure. Background Art

[0002] Prefabricated buildings refer to buildings in which some or all of the components are prefabricated in factories, transported to the construction site, and assembled through reliable connections. The basic principle of prefabricated buildings is to optimize the construction process and efficiently utilize resources through standardized design, factory production, and assembly construction. PC walls (prefabricated concrete walls), curtain walls, and steel structures are widely used in prefabricated buildings due to their respective characteristics. PC walls have the advantages of high manufacturing precision and high production efficiency, curtain walls are favored for their beauty and excellent thermal insulation performance, and steel structures have become the main choice for large-span buildings due to their light weight and high strength. However, the effective combination of the three has become an important link in construction projects, especially the need to solve the problem of efficient connection between them to improve construction quality and speed and reduce project costs.

[0003] In the related art, when the PC wall, curtain wall and steel structure are connected, a steel structure frame is usually set on the floor plate after the floor plate is formed to fix the PC wall, and then the curtain wall frame is fixed on the PC wall to realize the installation of the curtain wall.

[0004] The curtain wall is affected by wind pressure and its own gravity. The force on the curtain wall is transmitted to the PC wall, which makes the PC wall bear greater force, affecting the connection stability between the PC wall, curtain wall and steel structure. Therefore, the connection strength between the PC wall, curtain wall and steel structure in the related art needs to be improved. Summary of the invention

[0005] In order to improve the connection stability between PC walls, curtain walls and steel structures, the present application provides a connection node and a construction method for PC walls, curtain walls and steel structures.

[0006] In the first aspect, the present application provides a connection node between a PC wall, a curtain wall and a steel structure, adopting the following technical solution: A connection node of a PC wall, a curtain wall and a steel structure, comprising a PC wall, a curtain wall, a steel beam, a first connection component, a second connection component and a fastening component; the first connection component is used to connect to the top side of a floor plate, the steel beam is connected to the bottom side of the floor plate, and the second connection component is connected to the steel beam; The PC wall comprises an upper PC wall, a lower PC wall and a side PC wall, the upper PC wall is connected to the first connection component, the lower PC wall is connected to the second connection component, the side PC wall is connected to the side wall of the floor slab; the curtain wall is connected to the side PC wall; There are multiple fastening components, one of which passes through the curtain wall, the side PC wall, the first connecting component and the upper PC wall and is connected, and another fastening component passes through the curtain wall, the side PC wall, the second connecting component and the lower PC wall and is connected.

[0007] By adopting the above technical solution, the connection between the upper PC wall and the first connection component and the connection between the lower PC wall and the second connection component ensures the stability and bearing capacity of the connection node in the vertical direction. The connection between the side PC wall and the side wall of the floor slab enhances the lateral stability of the connection node. The curtain wall, the side PC wall, the first connection component and the upper PC wall, as well as the curtain wall, the side PC wall, the second connection component and the lower PC wall are connected by fastening components, which further improves the overall strength and stability of the connection node, effectively transmits and disperses the force of the curtain wall, and reduces the force burden of a single component.

[0008] Optionally, the first connecting component includes a connecting angle steel, a mounting groove body and a connecting piece, the mounting groove body is connected to the connecting angle steel, the connecting angle steel is connected to the floor plate, the upper PC wall is inserted into the mounting groove body, and the connecting piece connects the mounting groove body and the upper PC wall.

[0009] By adopting the above technical solution, the upper PC wall is inserted into the installation slot, which makes it easy to position and install the upper PC wall, and the angle steel is connected to the floor plate, so as to achieve a stable connection between the upper PC wall and the floor plate. This design can improve the connection strength between the upper PC wall and the floor plate, ensure that the upper PC wall is not easily displaced or fallen off when subjected to external loads, and enhance the stability of the entire connection node.

[0010] Optionally, the connecting angle steel is connected with a connecting rod, and the connecting rod passes through the floor plate and is connected to the steel beam.

[0011] By adopting the above technical solution, one end of the connecting rod is connected to the connecting angle steel, and the other end passes through the floor plate and is connected to the steel beam, thereby achieving a stable connection between the first connecting component and the steel beam, and improving the connection strength and stability. This connection method enhances the bearing capacity of the entire connection node, reduces the problem of excessive force on a single component, and thus improves the overall safety and durability of the prefabricated building.

[0012] Optionally, the side PC wall is pre-embedded with anchors, and the anchors are passed through the sides of the floor slabs.

[0013] By adopting the above technical solution, the side PC wall is pre-embedded with anchors, and the anchors are passed through the side of the floor slab, thereby enhancing the connection stability between the side PC wall and the floor slab.

[0014] Optionally, the curtain wall includes a curtain wall frame, a curtain wall panel and a connecting bearing seat, the curtain wall panel is connected to the curtain wall frame, and the connecting bearing seat is respectively connected to the curtain wall frame and the anchor.

[0015] By adopting the above technical solution, the setting of the connecting bearing seat realizes a reliable connection between the curtain wall frame and the anchor, and improves the connection strength between the curtain wall and the side PC wall. Under the action of wind pressure and its own gravity, the curtain wall can transfer part of the load to the floor plate through the connecting bearing seat and the anchor, thereby improving the stability of the overall connection node.

[0016] Optionally, the side PC wall includes a web and a wing plate, two wing plates are provided, and the web is connected between the two wing plates; one side of the wing plate is respectively abutted against the first connecting component, the steel beam and the second connecting component, and the other side of the wing plate is abutted against the curtain wall.

[0017] By adopting the above technical solution, one side of the wing plate is respectively abutted against the first connecting component, the steel beam and the second connecting component, and the other side of the wing plate is abutted against the curtain wall, so that the force of the curtain wall can be transmitted to the first connecting component, the floor plate, the steel beam and the second connecting component, thereby improving the overall strength and bearing capacity of the connection node.

[0018] Optionally, the side PC wall further includes a bottom plate, which is respectively connected to the bottom sides of the web and the wing plates, and both sides of the side PC wall are filled with sealant.

[0019] By adopting the above technical solution, the setting of the bottom plate enhances the overall structural stability of the side PC wall, and the sealant is filled on both sides of the side PC wall, which effectively isolates the intrusion of external moisture and air, improves the sealing performance between the side PC wall and the curtain wall, and at the same time, the connection parts between the side PC wall, the upper PC wall and the lower PC wall are sealed and protected, reducing the rust of the first connecting component, the second connecting component, the connecting bearing seat and the anchor, thereby improving the durability and waterproof performance of the entire connection node.

[0020] Optionally, the bottom plate, the web plate and the wing plate are formed with two sealing grooves, the two sealing grooves are respectively located on both sides of the web plate, and the sealing grooves are used to accommodate the sealant.

[0021] By adopting the above technical solution and injecting sealant into the sealing grooves on both sides of the web, the sealing performance between the side PC wall and the curtain wall, as well as between the side PC wall, the upper PC wall and the lower PC wall can be effectively improved to prevent the infiltration of moisture and impurities, thereby enhancing the corrosion resistance of the structure and reducing the impact of the external environment on the connection nodes, thereby enhancing the overall stability and durability of the connection nodes.

[0022] Optionally, the curtain wall further comprises a sealing pad, one side of which is connected to the curtain wall frame, and the sealing pad abuts against the side PC wall.

[0023] By adopting the above technical solution, the sealing pad is connected to the curtain wall frame and abuts against the side PC wall, which can effectively improve the sealing performance between the curtain wall and the side PC wall and reduce the leakage of sealant between the curtain wall and the side PC wall.

[0024] In a second aspect, the present application also provides a construction method for a connection node of a PC wall, a curtain wall and a steel structure, comprising the following steps: S1: Provide a first connection assembly, a second connection assembly and a steel beam; embed a connection rod in the floor slab, connect the steel beam to the bottom side of the floor slab, connect the steel beam to the connection rod, and connect the second connection assembly to the steel beam; connect the first connection assembly to the connection rod, so that the first connection assembly is connected to the top side of the floor slab; S2: providing an upper PC wall and a lower PC wall, connecting the upper PC wall to the first connecting component, and connecting the lower PC wall to the second connecting component; S3: providing a side PC wall, wherein the side PC wall is embedded with an anchor, and the anchor is passed through the side of the floor slab; S4: providing a curtain wall, and connecting the curtain wall to the anchor; S5: providing a plurality of fastening components, wherein one of the fastening components connects the first connection component, the upper PC wall, the side PC wall and the curtain wall, and another of the fastening components connects the second connection component, the lower PC wall, the side PC wall and the curtain wall; S6: Sealing grooves are formed on both sides of the side PC wall, and sealant is injected into the sealing grooves. The sealant seals between the side PC wall and the curtain wall, and the sealant seals between the side PC wall, the first connecting component and the second connecting component.

[0025] In summary, the present application includes at least one of the following beneficial effects: 1. The upper PC wall, lower PC wall, side PC wall and curtain wall are firmly connected through multiple fastening components to form an integrated connection structure, which effectively disperses the force of the curtain wall under wind pressure and gravity, and improves the overall connection strength and stability between the PC wall, curtain wall and steel structure; 2. The first connection component is connected to the top side of the floor slab, the steel beam is connected to the bottom side of the floor slab, the second connection component is connected to the steel beam, and the side PC wall is connected to the side of the floor slab through anchors, thus constructing a coordinated support system, enhancing the bearing capacity of the connection node, and effectively reducing the stress burden of a single component; 3. Sealing grooves are set on both sides of the side PC wall and sealant is injected to achieve reliable sealing between the side PC wall and the curtain wall to prevent rainwater penetration. The connection sealing between the side PC wall and the upper PC wall and the lower PC wall is also strengthened, further improving the durability and waterproof performance of the overall structure, while also improving the thermal insulation performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 This is a schematic diagram of the overall structure of the connection nodes of the PC wall, curtain wall and steel structure of the embodiment of the present application without injecting sealant; Figure 2 yes Figure 1 A schematic diagram of the enlarged structure of part A; Figure 3 This is a schematic diagram of the structure of the side PC wall of an embodiment of the present application; Figure 4 It is a schematic diagram of the structure of the connection node after the sealant is injected in the embodiment of the present application.

[0027] Explanation of the reference numerals: 1. floor plate; 2. PC wall; 21. upper PC wall; 22. side PC wall; 221. web plate; 2211. sealing groove; 222. wing plate; 223. bottom plate; 23. lower PC wall; 3. curtain wall; 31. curtain wall frame; 32. curtain wall panel; 33. connecting bearing seat; 34. sealing pad; 4. steel beam; 5. anchor; 6. first connecting assembly; 61. connecting angle steel; 62. mounting trough; 63. connecting piece; 7. second connecting assembly; 8. fastening assembly; 81. connecting screw; 82. connecting nut; 9. connecting rod; 100. sealant. DETAILED DESCRIPTION

[0028] The following combination Figures 1 to 4 This application is described in further detail.

[0029] An embodiment of the present application provides a connection node among a PC wall, a curtain wall and a steel structure.

[0030] refer to Figure 1 and Figure 2 The connection nodes of the PC wall, curtain wall and steel structure include the PC wall 2, curtain wall 3, steel beam 4, first connection assembly 6, second connection assembly 7 and fastening assembly 8. The first connection assembly 6 is located on the upper side of the floor slab 1, and the first connection assembly 6 includes a connection angle steel 61, a mounting groove 62 and a connecting piece 63. The mounting groove 62 and the connection angle steel 61 are fixedly connected, and the connection angle steel 61 is connected to the floor slab 1. The connection angle steel 61 is fixedly connected with a connecting rod 9, and the connecting rod 9 is pre-buried in the floor slab 1. The steel beam 4 is fixedly connected to the bottom side of the floor slab 1, and the connecting rod 9 is fixedly connected to the steel beam 4.

[0031] refer to Figure 1and Figure 2 The PC wall 2 includes an upper PC wall 21, a side PC wall 22 and a lower PC wall 23. The bottom side of the upper PC wall 21 is inserted into the installation slot 62. The connection piece 63 passes through the installation slot 62, the upper PC wall 21 and the connecting angle steel 61 to achieve the connection between the upper PC wall 21 and the first connecting assembly 6. In this embodiment, the connection piece 63 is specifically a bolt and a nut.

[0032] refer to Figure 1 and Figure 2 The second connection assembly 7 has the same structure as the first connection assembly 6. The second connection assembly 7 is fixedly connected to the steel beam 4. The top side of the lower PC wall 23 is inserted into the second connection assembly 7 and fixedly connected. An anchor 5 is embedded in the side PC wall 22. The anchor 5 is inserted into the side of the floor slab 1 to achieve the fixation of the side PC wall 22 and the floor slab 1.

[0033] refer to Figure 1 and Figure 2 The curtain wall 3 includes a curtain wall frame 31, a curtain wall panel 32, a connection bearing seat 33 and a sealing pad 34. The curtain wall panel 32 is fixedly connected to the curtain wall frame 31, adjacent curtain wall frames 31 are fixedly connected, adjacent curtain wall panels 32 are spliced, and the connection bearing seat 33 is fixedly connected to the curtain wall frame 31 and the anchor 5 respectively, so as to realize the connection between the curtain wall 3 and the side PC wall 22. The sealing pad 34 is fixedly connected to the curtain wall frame 31, and the sealing pad 34 covers the connection between adjacent curtain wall frames 31 to reduce water seepage at the connection between adjacent curtain wall frames 31.

[0034] refer to Figure 1 and Figure 2 The fastening assembly 8 includes a connecting screw 81 and a connecting nut 82. A plurality of fastening assemblies 8 are provided, one of which corresponds to the upper PC wall 21. The connecting screw 81 passes through the curtain wall skeleton 31, the side PC wall 22, the first connecting assembly 6 and the upper PC wall 21. The connecting nut 82 locks the connecting screw 81, thereby improving the connection stability of the curtain wall 3, the side PC wall 22, the first connecting assembly 6 and the upper PC wall 21. Another fastening assembly 8 corresponds to the lower PC wall 23, thereby connecting the curtain wall 3, the side PC wall 22, the second connecting assembly 7 and the lower PC wall 23.

[0035] refer to Figure 1 and Figure 3The side PC wall 22 includes a web 221, a wing plate 222 and a bottom plate 223. Two wing plates 222 are provided. The web 221 is located between the two wing plates 222. The web 221 is fixedly connected to the two wing plates 222 respectively. The bottom plate 223 is fixedly connected to the bottom sides of the web 221 and the wing plates 222 respectively. Two sealing grooves 2211 are formed between the web 221, the wing plates 222 and the bottom plate 223. The two sealing grooves 2211 are respectively located on both sides of the web 221. One side of the wing plate 222 abuts against the sealing pad 34, and the other side of the wing plate 222 abuts against the first connection component 6, the floor plate 1 and the second connection component 7 respectively.

[0036] refer to Figure 1 and Figure 4 When the sealant 100 is injected into the sealing groove 2211, the sealant 100 can seal the side PC wall 22 and the curtain wall 3, and can also seal the side PC wall 22 with the first connecting component 6, the floor slab 1, the steel beam 4 and the second connecting component 7, thereby reducing rust and water seepage, improving thermal insulation performance and reducing indoor heat loss.

[0037] The embodiment of the present application also provides a construction method for a connection node of a PC wall, a curtain wall and a steel structure, comprising the following steps: S1: Provide a first connection assembly 6, a second connection assembly 7 and a steel beam 4. Pre-embed a connection rod 9 in the floor slab 1, connect the steel beam 4 to the bottom side of the floor slab 1, connect the steel beam 4 to the connection rod 9, connect the second connection assembly 7 to the steel beam 4; connect the first connection assembly 6 to the connection rod 9, so that the first connection assembly 6 is connected to the top side of the floor slab 1; S2: providing an upper PC wall 21 and a lower PC wall 23, connecting the upper PC wall 21 to the first connecting component 6, and connecting the lower PC wall 23 to the second connecting component 7; S3: providing a side PC wall 22, wherein the side PC wall 22 is embedded with an anchor 5, so that the anchor 5 is passed through the side of the floor slab 1; S4: Provide a curtain wall 3, connect the curtain wall 3 with the anchor 5, and realize the connection between the curtain wall 3 and the side PC wall 22; S5: providing a plurality of fastening components 8, wherein one fastening component 8 connects the first connecting component 6, the upper PC wall 21, the side PC wall 22 and the curtain wall 3, and another fastening component 8 connects the second connecting component 7, the lower PC wall 23, the side PC wall 22 and the curtain wall 3; S6: Sealing grooves 2211 are formed on both sides of the side PC wall 22, and sealant 100 is injected into the sealing grooves 2211. The sealant 100 seals between the side PC wall 22 and the curtain wall 3, and the sealant 100 seals between the side PC wall 22, the first connecting component 6, and the second connecting component 7.

[0038] The implementation principle of the connection node and construction method of a PC wall, curtain wall and steel structure in the embodiment of the present application is as follows: first, the steel beam 4 is connected to the bottom side of the floor plate 1, the connecting rod 9 is connected to the steel beam 4, and then the second connecting assembly 7 is connected to the steel beam 4, the first connecting assembly 6 is connected to the top side of the floor plate 1, and then the connecting rod 9 is connected to the first connecting assembly 6. Then the upper PC wall 21 is connected to the first connecting assembly 6, and then the lower PC wall 23 is connected to the second connecting assembly 7. Then the side PC wall 22 is connected to the side wall of the floor plate 1 through the anchor 5, and then the curtain wall 3 is connected to the side PC wall 22. A fastening assembly 8 connects the curtain wall 3, the side PC wall 22, the first connecting assembly 6 and the upper PC wall 21, and another fastening assembly 8 connects the curtain wall 3, the side PC wall 22, the second connecting assembly 7 and the lower PC wall 23. Finally, the sealant 100 is injected into the sealing grooves 2211 on both sides of the web 221 , and the sealant 100 seals both sides of the web 221 .

[0039] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A connection node for a PC wall, a curtain wall and a steel structure, characterized in that: The invention comprises a PC wall (2), a curtain wall (3), a steel beam (4), a first connection component (6), a second connection component (7) and a fastening component (8); the first connection component (6) is used to be connected to the top side of the floor plate (1), the steel beam (4) is connected to the bottom side of the floor plate (1), and the second connection component (7) is connected to the steel beam (4); The PC wall (2) comprises an upper PC wall (21), a lower PC wall (23) and a side PC wall (22); the upper PC wall (21) is connected to the first connection component (6), and the lower PC wall (23) is connected to the second connection component (7); the side PC wall (22) is connected to the side wall of the floor slab (1), and the curtain wall (3) is connected to the side PC wall (22); A plurality of the fastening components (8) are provided, one of the fastening components (8) passes through the curtain wall (3), the side PC wall (22), the first connecting component (6) and the upper PC wall (21) and is connected thereto, and another of the fastening components (8) passes through the curtain wall (3), the side PC wall (22), the second connecting component (7) and the lower PC wall (23) and is connected thereto.

2. A connection node of a PC wall, a curtain wall and a steel structure according to claim 1, characterized in that: The first connection assembly (6) comprises a connection angle steel (61), a mounting groove body (62) and a connection piece (63); the mounting groove body (62) is connected to the connection angle steel (61); the connection angle steel (61) is connected to the floor slab (1); the upper PC wall (21) is inserted into the mounting groove body (62); and the connection piece (63) connects the mounting groove body (62) and the upper PC wall (21).

3. A connection node of a PC wall, a curtain wall and a steel structure according to claim 2, characterized in that: The connecting angle steel (61) is connected to a connecting rod (9), and the connecting rod (9) passes through the floor slab (1) and is connected to the steel beam (4).

4. A connection node of a PC wall, a curtain wall and a steel structure according to claim 1, characterized in that: The side PC wall (22) is pre-buried with an anchor (5), and the anchor (5) is penetrated through the side of the floor slab (1).

5. A connection node of a PC wall, a curtain wall and a steel structure according to claim 4, characterized in that: The curtain wall (3) comprises a curtain wall frame (31), a curtain wall panel (32) and a connecting bearing seat (33); the curtain wall panel (32) is connected to the curtain wall frame (31); and the connecting bearing seat (33) is respectively connected to the curtain wall frame (31) and the anchor (5).

6. A connection node for a PC wall, a curtain wall and a steel structure according to claim 1, characterized in that: The side PC wall (22) comprises a web (221) and a wing plate (222), two wing plates (222) are provided, and the web (221) is connected between the two wing plates (222); one side of the wing plate (222) is respectively abutted against the first connection component (6), the steel beam (4) and the second connection component (7), and the other side of the wing plate (222) is abutted against the curtain wall (3).

7. A connection node for a PC wall, a curtain wall and a steel structure according to claim 6, characterized in that: The side PC wall (22) further comprises a bottom plate (223), wherein the bottom plate (223) is respectively connected to the bottom sides of the web (221) and the wing plate (222), and both sides of the side PC wall (22) are filled with sealant (100).

8. A connection node of a PC wall, a curtain wall and a steel structure according to claim 7, characterized in that: The bottom plate (223), the web plate (221) and the wing plate (222) are formed with two sealing grooves (2211), the two sealing grooves (2211) being respectively located on two sides of the web plate (221), and the sealing grooves (2211) are used to accommodate the sealant (100).

9. A connection node for a PC wall, a curtain wall and a steel structure according to claim 5, characterized in that: The curtain wall (3) further comprises a sealing pad (34), one side of the sealing pad (34) being connected to the curtain wall frame (31), and the sealing pad (34) being in contact with the side PC wall (22).

10. A construction method for connecting nodes of PC wall, curtain wall and steel structure, characterized in that: The following steps are involved: S1: providing a first connecting component (6), a second connecting component (7) and a steel beam (4); pre-embedding a connecting rod (9) in the floor slab (1), connecting the steel beam (4) to the bottom side of the floor slab (1), connecting the steel beam (4) to the connecting rod (9), and connecting the second connecting component (7) to the steel beam (4); connecting the first connecting component (6) to the connecting rod (9), so that the first connecting component (6) is connected to the top side of the floor slab (1); S2: providing an upper PC wall (21) and a lower PC wall (23), connecting the upper PC wall (21) to the first connecting component (6), and connecting the lower PC wall (23) to the second connecting component (7); S3: providing a side PC wall (22), wherein the side PC wall (22) is embedded with an anchor (5), and the anchor (5) is passed through the side of the floor slab (1); S4: providing a curtain wall (3), and connecting the curtain wall (3) to the anchor (5); S5: providing a plurality of fastening components (8), wherein one of the fastening components (8) connects the first connection component (6), the upper PC wall (21), the side PC wall (22) and the curtain wall (3), and another of the fastening components (8) connects the second connection component (7), the lower PC wall (23), the side PC wall (22) and the curtain wall (3); S6: Sealing grooves (2211) are formed on both sides of the side PC wall (22), and a sealant (100) is injected into the sealing grooves (2211). The sealant (100) seals between the side PC wall (22) and the curtain wall (3), and the sealant (100) seals between the side PC wall (22), the first connecting component (6), and the second connecting component (7).

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