CN119914017B - Connecting node of PC wall, curtain wall and steel structure and construction method - Google Patents
Connecting node of PC wall, curtain wall and steel structure and construction method Download PDFInfo
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- CN119914017B CN119914017B CN202510412743.8A CN202510412743A CN119914017B CN 119914017 B CN119914017 B CN 119914017B CN 202510412743 A CN202510412743 A CN 202510412743A CN 119914017 B CN119914017 B CN 119914017B
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Abstract
The application provides a connecting node of a PC wall, a curtain wall and a steel structure and a construction method, and relates to the technical field of assembly type buildings. The PC wall comprises an upper PC wall, a lower PC wall and a lateral PC wall, the upper PC wall is connected with the first connecting component, the lower PC wall is connected with the second connecting component, the lateral PC wall is connected with the lateral wall of the floor board, the curtain wall is connected with the lateral PC wall, one fastening component penetrates through the curtain wall, the lateral PC wall, the first connecting component and the upper PC wall and is connected, and the other fastening component penetrates through the curtain wall, the lateral PC wall, the second connecting component and the lower PC wall and is connected. The application can improve the connection stability among PC walls, curtain walls and steel structures.
Description
Technical Field
The application relates to the technical field of assembly type buildings, in particular to a connecting node of a PC wall, a curtain wall and a steel structure and a construction method.
Background
The assembled building is a building assembled by the reliable connection mode after the prefabricated part or all components of the building are prefabricated in a factory and transported to a construction site. The basic principle of the fabricated building is that the optimization of the building flow and the efficient utilization of resources are realized through standardized design, industrial production and assembly construction. PC walls (precast concrete walls), curtain walls and steel structures are widely used in fabricated buildings due to their respective characteristics. PC wall has the advantage that manufacturing accuracy is high and production efficiency is fast, and curtain is favored with its pleasing to the eye and thermal-insulated performance, and steel construction is the main choice of large-span building because of characteristics such as dead weight is light and intensity is high. However, the effective combination of the three components becomes an important link in the construction engineering, and in particular, the problem of high-efficiency connection between the three components needs to be solved, so as to improve the construction quality and speed and reduce the engineering cost.
In the related art, when the PC wall, the curtain wall and the steel structure are connected, after floor plates are formed, a steel structure framework is arranged on a floor plate and used for fixing the PC wall, and then the framework of the curtain wall is fixed on the PC wall so as to realize the installation of the curtain wall.
The curtain wall can receive wind pressure and self gravity influence, and the power that the curtain received is transmitted to the PC wall for PC wall atress is great, influences the connection stability between PC wall, curtain and the steel construction. Therefore, the connection strength between the PC wall, curtain wall and steel structure in the related art needs to be improved.
Disclosure of Invention
In order to improve the connection stability between the PC wall, the curtain wall and the steel structure, the application provides a connection node of the PC wall, the curtain wall and the steel structure and a construction method.
In a first aspect, the present application provides a connection node for a PC wall, a curtain wall and a steel structure, which adopts the following technical scheme:
the connecting node comprises a PC wall, a curtain wall, a steel beam, a first connecting component, a second connecting component and a fastening component, wherein the first connecting component is used for being connected with the top side of a floor plate, the steel beam is connected with the bottom side of the floor plate, and the second connecting component is connected with the steel beam;
The PC wall comprises an upper PC wall, a lower PC wall and a lateral PC wall, wherein the upper PC wall is connected with the first connecting component, the lower PC wall is connected with the second connecting component, and the lateral PC wall is connected with the side wall of the floor board;
The fastening components are arranged in a plurality, one fastening component penetrates through the curtain wall, the lateral PC wall, the first connecting component and the upper PC wall and is connected, and the other fastening component penetrates through the curtain wall, the lateral PC wall, the second connecting component and the lower PC wall and is connected.
Through adopting above-mentioned technical scheme, the upper PC wall is connected with first coupling assembling and the lower floor PC wall is connected with second coupling assembling, ensures the stability and the bearing capacity of connected node in vertical direction. And the lateral PC wall is connected with the side wall of the floor slab, so that the lateral stability of the connecting node is enhanced. The curtain wall, the lateral PC wall, the first connecting component and the upper PC wall are connected through the fastening component, and the curtain wall, the lateral PC wall, the second connecting component and the lower PC wall are connected, so that the overall strength and stability of the connecting node are further improved, the stress of the curtain wall is effectively transferred and dispersed, and the stress load of a single component is reduced.
Optionally, the first coupling assembling includes angle steel, mounting groove body and connecting piece, the mounting groove body with the angle steel is connected, the angle steel with the floor board is connected, upper PC wall inserts and locates in the mounting groove body, the connecting piece will the mounting groove body with upper PC wall connects.
Through adopting above-mentioned technical scheme, upper PC wall inserts and locates in the mounting groove to be convenient for fix a position and install upper PC wall, angle steel is connected with the floor, thereby realizes that upper PC wall and floor's firm being connected. The design can improve the connection strength between the upper PC wall and the floor plate, ensures that the upper PC wall is not easy to displace or fall off when being subjected to external load, and enhances the stability of the whole connection node.
Optionally, the connecting angle steel is connected with a connecting rod, and the connecting rod passes through the floor plate and is connected with the girder steel.
Through adopting above-mentioned technical scheme, connecting rod one end is connected with the angle steel, and the other end passes the floor board and is connected with the girder steel, has realized the firm connection between first coupling assembling and the girder steel, has improved joint strength and stability. The connecting mode enhances the bearing capacity of the whole connecting node, reduces the problem of overlarge stress of a single component, and further improves the overall safety and durability of the fabricated building.
Optionally, the side PC wall is pre-embedded with an anchor, and the anchor is disposed on the side of the floor board in a penetrating manner.
Through adopting above-mentioned technical scheme, the lateral part PC wall pre-buried has the anchor assembly, and the anchor assembly wears to locate the lateral part of floor board to the connection stability between lateral part PC wall and the floor board has been strengthened.
Optionally, the curtain includes curtain skeleton, curtain wallboard and connection bearing seat, the curtain board connect in on the curtain skeleton, the connection bearing seat respectively with the curtain skeleton with the anchor assembly is connected.
Through adopting above-mentioned technical scheme, the setting of connecting the seat of bearing has realized the reliable connection between curtain skeleton and the anchor assembly, has improved the joint strength between curtain and the lateral part PC wall, and the curtain is under receiving wind pressure and self gravity effect, can pass through the connection seat of bearing and anchor assembly with a part load and transmit to the floor board on, promotes the stability of bulk connection node.
Optionally, the lateral PC wall comprises a web plate and two wing plates, wherein the two wing plates are connected between the web plate and the two wing plates, one side of each wing plate is respectively abutted with the first connecting assembly, the steel beam and the second connecting assembly, and the other side of each wing plate is abutted with the curtain wall.
Through adopting above-mentioned technical scheme, one side of pterygoid lamina respectively with first coupling assembling, girder steel and second coupling assembling butt, the opposite side and the curtain butt of pterygoid lamina can be with the atress transmission of curtain to first coupling assembling, floor board, girder steel and second coupling assembling on, improves the bulk strength and the bearing capacity of connected node.
Optionally, the lateral PC wall further includes a bottom plate, the bottom plate is respectively connected with the web and the bottom side of pterygoid lamina, and both sides of the lateral PC wall are filled with sealant.
Through adopting above-mentioned technical scheme, the setting of bottom plate has strengthened the overall structure stability of lateral part PC wall, and the sealant is filled in the both sides of lateral part PC wall, has effectively isolated outside moisture and air's invasion, has improved the sealing performance between lateral part PC wall and the curtain, has carried out sealed protection simultaneously to the junction between lateral part PC wall, upper PC wall and the lower floor PC wall, reduces first coupling assembling, second coupling assembling, connects and bears the seat and anchor assembly and appear the condition of corrosion to whole connected node's durability and waterproof performance have been promoted.
Optionally, the bottom plate, the web plate and the wing plate are formed with two sealing grooves, the two sealing grooves are respectively located at two sides of the web plate, and the sealing grooves are used for accommodating the sealant.
Through adopting above-mentioned technical scheme, pour into the sealant into the seal groove of web both sides into, can effectively promote between lateral part PC wall and the curtain to and sealing performance between lateral part PC wall, upper PC wall and the lower floor PC wall, prevent moisture and impurity infiltration, strengthened the corrosion resistance of structure, reduced the influence of external environment to the connected node, thereby strengthen connected node's overall stability and durability.
Optionally, the curtain wall further comprises a sealing backing plate, one side of the sealing backing plate is connected with the curtain wall framework, and the sealing backing plate is abutted to the lateral PC wall.
Through adopting above-mentioned technical scheme, sealing backing plate and curtain skeleton are connected and with lateral part PC wall butt, can effectively improve the sealing performance between curtain and the lateral part PC wall, reduce the condition that the sealant leakage appears between curtain and lateral part PC wall.
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, including the steps of:
S1, providing a first connecting component, a second connecting component and a steel beam, embedding a connecting rod in a floor slab, connecting the steel beam with the bottom side of the floor slab, connecting the steel beam with the connecting rod, and connecting the second connecting component with the steel beam;
s2, providing an upper PC wall and a lower PC wall, connecting the upper PC wall with the first connecting component and connecting the lower PC wall with the second connecting component;
s3, providing a side PC wall, wherein an anchor is buried in the side PC wall, and the anchor penetrates through the side of the floor slab;
S4, providing a curtain wall, and connecting the curtain wall with the anchoring piece;
s5, providing a plurality of fastening components, wherein one fastening component is used for connecting the first connecting component, the upper PC wall, the lateral PC wall and the curtain wall, and the other fastening component is used for connecting the second connecting component, the lower PC wall, the lateral PC wall and the curtain wall;
S6, sealing grooves are formed on two sides of the side PC wall, sealing glue is filled into the sealing grooves, sealing is carried out between the side PC wall and the curtain wall through the sealing glue, and sealing is carried out among the side PC wall, the first connecting assembly and the second connecting assembly through the sealing glue.
In summary, the present application includes at least one of the following beneficial effects:
1. The upper PC wall, the lower PC wall and the lateral PC wall are respectively and firmly connected with the curtain wall through the plurality of fastening components to form an integrated connecting structure, so that the stress of the curtain wall when the curtain wall is acted by wind pressure and gravity is effectively dispersed, and the integral connection strength and stability among the PC wall, the curtain wall and the steel structure are improved;
2. The first connecting component is connected with the top side of the floor slab, the steel beam is connected with the bottom side of the floor slab, the second connecting component is connected with the steel beam, and the lateral PC wall is connected with the lateral part of the floor slab through the anchoring piece, so that a cooperative supporting system is constructed, the bearing capacity of the connecting node is enhanced, and the stress load of a single component is effectively reduced;
3. Set up the seal groove and pour into the sealant in lateral part PC wall both sides, realized the reliable seal between lateral part PC wall and the curtain, prevent rainwater infiltration, still strengthened the connection leakproofness between lateral part PC wall and upper PC wall, the lower floor PC wall, further promoted overall structure's durability and waterproof performance, still promoted thermal-insulated performance simultaneously.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a PC wall, curtain wall and steel structure of an embodiment of the present application without sealant injected into the connection nodes;
FIG. 2 is an enlarged schematic view of the portion A of FIG. 1;
FIG. 3 is a schematic view of a side PC wall structure according to an embodiment of the present application;
fig. 4 is a schematic structural diagram of a connection node after injecting sealant according to an embodiment of the present application.
The reference numerals are 1, floor boards, 2, PC walls, 21, upper PC walls, 22, side PC walls, 221, webs, 2211, sealing grooves, 222, wing plates, 223, bottom plates, 23, lower PC walls, 3, curtain walls, 31, curtain wall frameworks, 32, curtain wall boards, 33, connection bearing seats, 34, sealing backing plates, 4, steel beams, 5, anchoring parts, 6, first connecting components, 61, connecting angle steel, 62, mounting groove bodies, 63, connecting parts, 7, second connecting components, 8, fastening components, 81, connecting screw rods, 82, connecting nuts, 9, connecting rods, 100 and sealing glue.
Detailed Description
The application is described in further detail below in connection with fig. 1 to 4.
The embodiment of the application provides a connecting node of a PC wall, a curtain wall and a steel structure.
Referring to fig. 1 and 2, the connection nodes of the PC wall, curtain wall and steel structure include a PC wall 2, a curtain wall 3, a steel beam 4, a first connection assembly 6, a second connection assembly 7 and a fastening assembly 8. The first connecting assembly 6 is located the upside of floor board 1, and the first connecting assembly 6 includes connecting angle steel 61, mounting groove body 62 and connecting piece 63, and mounting groove body 62 and connecting angle steel 61 fixed connection, connecting angle steel 61 and the connection of floor board 1. The connecting angle steel 61 is fixedly connected with a connecting rod 9, and the connecting rod 9 is pre-buried in the floor plate 1. The girder steel 4 and the bottom side fixed connection of floor board 1, connecting rod 9 and girder steel 4 fixed connection.
Referring to fig. 1 and 2, the PC wall 2 includes an upper PC wall 21, a side PC wall 22 and a lower PC wall 23, and the bottom side of the upper PC wall 21 is inserted into the installation groove 62, and the connection between the upper PC wall 21 and the first connection assembly 6 is achieved by inserting a connection member 63 through the installation groove 62, the upper PC wall 21 and the connection angle 61. In the present embodiment, the connecting member 63 specifically employs bolts and nuts.
Referring to fig. 1 and 2, the second connecting assembly 7 has the same structure as the first connecting assembly 6, the second connecting assembly 7 is fixedly connected with the steel beam 4, and the top side of the lower PC wall 23 is inserted into the second connecting assembly 7 and is fixedly connected. Anchoring pieces 5 are buried in the side PC walls 22, and the anchoring pieces 5 penetrate through the side portions of the floor plates 1, so that the side PC walls 22 and the floor plates 1 are fixed.
Referring to fig. 1 and 2, the curtain wall 3 includes a curtain wall skeleton 31, curtain wall panels 32, connection bearing blocks 33, and sealing pads 34. Curtain wall plate 32 and curtain wall skeleton 31 fixed connection, adjacent curtain wall plate 32 splice mutually, and connection bearing seat 33 respectively with curtain wall skeleton 31 and anchor assembly 5 fixed connection has realized the connection between curtain 3 and the lateral part PC wall 22. The sealing backing plate 34 is fixedly connected with the curtain wall frameworks 31, the sealing backing plate 34 covers the connecting positions of the adjacent curtain wall frameworks 31, and water seepage is reduced at the connecting positions of the adjacent curtain wall frameworks 31.
Referring to fig. 1 and 2, the fastening assembly 8 includes a coupling screw 81 and a coupling nut 82, the fastening assembly 8 is provided in plurality, one of the fastening assemblies 8 corresponds to the upper PC wall 21, the coupling screw 81 passes through the curtain wall skeleton 31, the side PC wall 22, the first coupling assembly 6 and the upper PC wall 21, and the coupling nut 82 locks the coupling screw 81, thereby improving the coupling stability of the curtain wall 3, the side PC wall 22, the first coupling assembly 6 and the upper PC wall 21. The other fastening assembly 8 corresponds to the lower PC wall 23, thereby connecting the curtain wall 3, the side PC wall 22, the second connection assembly 7 and the lower PC wall 23.
Referring to fig. 1 and 3, the side PC wall 22 includes a web 221, wing plates 222, and a bottom plate 223, the wing plates 222 are provided in two, the web 221 is located between the two wing plates 222, the web 221 is fixedly connected with the two wing plates 222, and the bottom plate 223 is fixedly connected with the bottom side of the web 221 and the bottom side of the wing plates 222, respectively. Two seal grooves 2211 are formed among the web 221, the wing plate 222 and the bottom plate 223, and the two seal grooves 2211 are respectively positioned at two sides of the web 221. One side of the wing plate 222 is abutted against the sealing pad 34, and the other side of the wing plate 222 is abutted against the first connecting assembly 6, the floor plate 1 and the second connecting assembly 7 respectively.
Referring to fig. 1 and 4, when the sealant 100 is injected into the sealing groove 2211, the sealant 100 can seal between the side PC wall 22 and the curtain wall 3, and can also seal between the side PC wall 22 and the first connection assembly 6, the floor plate 1, the steel beam 4 and the second connection assembly 7, respectively, so that corrosion and water seepage are reduced, heat insulation performance can be improved, and indoor heat loss is reduced.
The embodiment of the application also provides a construction method of the connecting node of the PC wall, the curtain wall and the steel structure, which comprises the following steps:
s1, providing a first connecting assembly 6, a second connecting assembly 7 and a steel beam 4. Connecting rods 9 are pre-embedded in the floor boards 1, the steel beams 4 are connected with the bottom sides of the floor boards 1, the steel beams 4 are connected with the connecting rods 9, and the second connecting assemblies 7 are connected with the steel beams 4;
s2, providing an upper PC wall 21 and a lower PC wall 23, connecting the upper PC wall 21 with the first connecting component 6, and connecting the lower PC wall 23 with the second connecting component 7;
s3, providing a lateral PC wall 22, wherein anchoring pieces 5 are buried in the lateral PC wall 22, so that the anchoring pieces 5 penetrate through the lateral part of the floor board 1;
s4, providing a curtain wall 3, connecting the curtain wall 3 with the anchoring piece 5, and connecting the curtain wall 3 with the lateral PC wall 22;
S5, providing a plurality of fastening assemblies 8, wherein one fastening assembly 8 is used for connecting the first connecting assembly 6, the upper PC wall 21, the lateral PC wall 22 and the curtain wall 3, and the other fastening assembly 8 is used for connecting the second connecting assembly 7, the lower PC wall 23, the lateral PC wall 22 and the curtain wall 3;
S6, sealing grooves 2211 are formed on two sides of the side PC wall 22, sealing glue 100 is injected into the sealing grooves 2211, the sealing glue 100 seals between the side PC wall 22 and the curtain wall 3, and the sealing glue 100 seals among the side PC wall 22, the first connecting assembly 6 and the second connecting assembly 7.
The connecting node of the PC wall, the curtain wall and the steel structure and the construction method are implemented according to the principle that firstly, a steel beam 4 is connected with the bottom side of a floor plate 1, a connecting rod 9 is connected with the steel beam 4, then a second connecting component 7 is connected with the steel beam 4, a first connecting component 6 is connected with the top side of the floor plate 1, and then the connecting rod 9 is connected with the first connecting component 6. The upper PC wall 21 is then connected to the first connection assembly 6, and the lower PC wall 23 is then connected to the second connection assembly 7. The side PC walls 22 are then connected to the side walls of the floor slab 1 by anchors 5, and the curtain wall 3 is connected to the side PC walls 22, one fastening assembly 8 connects the curtain wall 3, the side PC walls 22, the first connection assembly 6 and the upper PC wall 21, and the other fastening assembly 8 connects the curtain wall 3, the side PC walls 22, the second connection assembly 7 and the lower PC wall 23. Finally, the sealant 100 is injected into the seal grooves 2211 on both sides of the web 221, and the sealant 100 seals both sides of the web 221.
The above embodiments are not intended to limit the scope of the application, so that the equivalent changes of the structure, shape and principle of the application are covered by the scope of the application.
Claims (7)
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| Application Number | Priority Date | Filing Date | Title |
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| CN202510412743.8A CN119914017B (en) | 2025-04-03 | 2025-04-03 | Connecting node of PC wall, curtain wall and steel structure and construction method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202510412743.8A CN119914017B (en) | 2025-04-03 | 2025-04-03 | Connecting node of PC wall, curtain wall and steel structure and construction method |
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| CN119914017A CN119914017A (en) | 2025-05-02 |
| CN119914017B true CN119914017B (en) | 2025-06-24 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206090880U (en) * | 2016-08-29 | 2017-04-12 | 福建国强新型环保建材有限公司 | Outer wall and floor mounting structure |
| CN207331960U (en) * | 2017-04-11 | 2018-05-08 | 北京市住宅建筑设计研究院有限公司 | The passive room node of steel construction dry-hung plate Curtain Wall |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207620150U (en) * | 2017-12-12 | 2018-07-17 | 大作营造（北京）建设工程有限公司 | A kind of assembling type steel structure exterior wall |
| CN211114108U (en) * | 2019-07-10 | 2020-07-28 | 中建钢构有限公司 | Embedded wallboard connection structure of assembled steel construction |
| CN113737982B (en) * | 2021-10-08 | 2023-02-24 | 中建科工集团有限公司 | A prefabricated exterior wall installation connection structure and construction method based on steel structure |
| CN118187316A (en) * | 2024-03-26 | 2024-06-14 | 北京市住宅建筑设计研究院有限公司 | A thermal insulation integrated exterior wall panel thermal bridge breaking structure for steel structure housing |
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- 2025-04-03 CN CN202510412743.8A patent/CN119914017B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206090880U (en) * | 2016-08-29 | 2017-04-12 | 福建国强新型环保建材有限公司 | Outer wall and floor mounting structure |
| CN207331960U (en) * | 2017-04-11 | 2018-05-08 | 北京市住宅建筑设计研究院有限公司 | The passive room node of steel construction dry-hung plate Curtain Wall |
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