CN214574703U - Concrete column-steel beam connection node with web plate provided with hole - Google Patents
Concrete column-steel beam connection node with web plate provided with hole Download PDFInfo
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- CN214574703U CN214574703U CN202023113065.7U CN202023113065U CN214574703U CN 214574703 U CN214574703 U CN 214574703U CN 202023113065 U CN202023113065 U CN 202023113065U CN 214574703 U CN214574703 U CN 214574703U
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 113
- 239000010959 steel Substances 0.000 title claims abstract description 113
- 239000004567 concrete Substances 0.000 title claims abstract description 39
- 238000003466 welding Methods 0.000 claims description 17
- 239000011150 reinforced concrete Substances 0.000 abstract description 8
- 238000010276 construction Methods 0.000 abstract description 7
- 239000000463 material Substances 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000003313 weakening effect Effects 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
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Abstract
A concrete column-steel beam connection node with a web plate provided with a hole belongs to the technical field of building structures. The utility model discloses concrete column-girder steel connected node that hole was opened to web includes girder steel, bearing plate and hoop board, two girder steel cross-linked, is provided with at least one web hole on the girder steel, bearing plate fixed connection in the top and the bottom of girder steel between, the hoop board sets up in the top surface and the bottom surface of two girder steel handing-over points department, the top surface and the bottom surface of inboard and girder steel of hoop board between all be connected through stiffening rib, be connected with node core space L shape cylinder steel sheet between two hoop boards, all connect through welded fastening between girder steel, bearing plate, hoop board, stiffening rib and the node core space L shape cylinder steel sheet. The utility model discloses a mode that the hole was opened to node core space girder steel web constitutes the web and opens the connected node of reinforced concrete column and girder steel in hole. The RCS hybrid node has the advantages of reasonable stress, material saving, shortened construction period, easy quality safety guarantee and the like.
Description
Technical Field
The utility model belongs to the technical field of building structure, especially, be related to a concrete column-girder steel connected node that web opened a hole.
Background
The Reinforced Concrete Column-Steel Beam (Reinfored Concrete Column-Steel Beam), RCS hybrid frame for short, is a vertical bearing member adopting Reinforced Concrete Column, and the horizontal bearing member adopting Steel structure Beam bending-resistant frame structure system, and said system fully utilizes and makes full use of the advantages of two different materials of Steel and Reinforced Concrete, and is a low-cost and high-efficiency structure form. In the RCS frame structure, the aim of beam-column connection is to realize the fusion of reinforced concrete and steel materials with two completely different properties, the reasonable design and the structure are the key factors for ensuring the exertion of the lateral resistance capacity, and therefore the working state of a beam-column node is directly related to the working performance of the frame structure.
The RCS node mainly divide into two kinds of forms of roof beam connectivity and post connectivity, and wherein the connectivity node of roof beam can cause weakening in core area post cross-section, and the edge of a wing and the web of girder steel can increase the degree of difficulty of pouring of core area concrete, reduces the closely knit degree of core area concrete, influences the pouring quality of concrete and then influences the reliability of node.
The RCS hybrid nodes are divided into two types according to different member through forms: 1-Beam Through type (Through Beam), i.e. the steel Beam is not cut off when passing Through the concrete column, and is a continuous steel Beam. The welding fixture has the advantages that the integrity is good, and a large number of welding operations can be avoided while large bearing capacity and rigidity are provided; the shortcoming is that the weakening of the section of the core area column is caused, the arrangement difficulty of reinforcing steel bars, especially stirrups, is increased, and the pouring quality of the core area concrete is further influenced. 2 Through type (Through Column) of post, the node core space guarantees that the concrete Column link up completely promptly, and the girder steel does not stretch into, connects on the pre-buried connecting piece of Column end Through high strength bolt or welding seam. The node form has the greatest advantages of being beneficial to pouring and manufacturing of concrete in a core area, simple in structure and high in construction speed; the defects that the stress of a node core area is complex, the stress concentration is easy to occur at the beam-column connecting part, and the stress of the node is adversely affected.
SUMMERY OF THE UTILITY MODEL
To the problem that above-mentioned background art exists, the utility model provides a concrete column-girder steel connected node that web opened a hole with advantages such as processing is convenient, pass power reliably and pour the convenience is applicable to the connection of reinforced concrete column and steel construction roof beam.
Therefore, the utility model adopts the following technical scheme: the utility model provides a concrete column-girder steel connected node that hole was opened to web, characterized by, the concrete column-girder steel connected node that hole was opened to web include girder steel, bearing plate 2 and hoop board, two girder steel cross staggered connection, the girder steel on be provided with at least one web hole, bearing plate fixed connection in the top and the bottom of girder steel between, the hoop board set up in the top surface and the bottom surface of two girder steel handing-over points department, the top surface and the bottom surface of inboard and girder steel of hoop board between all be connected through stiffening rib, be connected with node core area L shape cylinder steel sheet between two hoop boards, girder steel, bearing plate, hoop board, stiffening rib and node core area L shape cylinder steel sheet between all through welded fastening connection.
One of them face of node core area L shape cylinder steel sheet on be provided with at least one cylinder steel sheet hole, make things convenient for RCS node level concreting.
The cylindrical steel plate holes are rectangular holes.
The top surface and the bottom surface of the outside of hoop board and girder steel all be connected through the slant stiffening rib between to strengthen the wholeness of node, the slant stiffening rib 8 is fixed through the welding seam between 1 and the hoop board 3 of girder steel.
The utility model discloses structure preparation step is as follows: the method comprises the following steps: 1, firstly connecting a steel beam, a bearing plate and a node core area L-shaped cylindrical steel plate together through a welding seam: the steel beams are connected by butt welding seams, the bearing plates are connected with the steel beams by double-sided angle welding seams, and the cylindrical steel plates in the node core area are connected with the steel beams and the bearing plates at equal strength by welding seams; 2, welding and fixing the stiffening ribs and the hoop plate, and connecting the stiffening ribs, the hoop plate and the steel beam by adopting double-sided fillet welds; 3 binding column stressed steel bars and stirrups according to the design; and 4, finally pouring concrete with determined strength labels in the column and node areas to form the concrete column-steel beam node.
The utility model discloses following beneficial effect can be reached: 1. the utility model discloses a mode that the hole was opened to node core space girder steel web constitutes the web and opens the connected node of reinforced concrete column and girder steel in hole. The RCS hybrid node has the advantages of reasonable stress, material saving, shortened construction period, easy quality safety guarantee and the like. 2. The utility model discloses the girder steel web is opened the hole and can be reduced the roof beam and link up the degree of difficulty that node core space concrete level was pour, has promoted the quality of pouring of node core space concrete, and then helps strengthening the wholeness of node. The difficulty of concrete pouring of the beam in the core area of the through node is reduced, and the problem of concrete pouring compactness in the core area of the node is avoided; the connection between the column concrete and the steel beam is strengthened, the integrity of the joint is strengthened, and the reliability of the RCS joint is improved; the nodes completely realize prefabrication and component commercialization, the concrete wet operation of a construction site is eliminated to the maximum extent, only hoisting and installing work is needed on site, the construction efficiency is greatly improved, the construction period is fast, and powerful support is provided for further application and popularization of China RCS mixed frame structures and assembly type building industries.
Drawings
Fig. 1 is a node diagram of embodiment 1 of the present invention;
FIG. 2 is a view of the opening of the steel beam of the embodiment of FIG. 1;
fig. 3 is a node diagram according to embodiment 2 of the present invention;
fig. 4 is a node diagram according to embodiment 3 of the present invention;
FIG. 5 is a view of the opening of the steel beam of the embodiment of FIG. 3 according to the present invention;
figure 6 is a node diagram of a non-equal height cross-section beam of the example of figure 3 of the present invention.
Detailed Description
The embodiments of the present invention will be described in detail with reference to the drawings, and the described embodiments are illustrative and explanatory of the present invention, and do not constitute the only limitations of the present invention.
Example 1
As shown in fig. 1-2, the steel beam comprises a steel beam 1, a bearing plate 2, a hoop plate 3, a stiffening rib 4, an L-shaped cylindrical steel plate 5 in a node core area, and a web hole 6. The steel beams 1 in the two directions are connected in a welding mode, and the parts 1-5 are connected in the welding mode. The girder steel web of two directions in node core space all does the processing of opening a hole, and RCS node core space sets up node core space cylinder steel sheet 5 along surface girder steel height within range. And after the components 1-5 are installed in place and fixed, pouring concrete to form an integral concrete column-steel beam connecting node with a web plate provided with a hole.
Example 2
As shown in fig. 3, the steel beam comprises a steel beam 1, a bearing plate 2, a hoop plate 3, a stiffening rib 4, an L-shaped cylindrical steel plate 5 in a node core area, and a web hole 6. Embodiment 2 has optimized embodiment 1, for convenient pouring, sets up a face of pouring, division discontinuity rectangular hole on node core region L shape cylinder steel sheet 5. In the embodiment 2, the steel beams 1 in two directions are connected in a welding mode, and the parts 1-5 are connected in a welding mode. The girder steel web of two directions in node core space all does the processing of opening a hole, and RCS node core space sets up node core space cylinder steel sheet 5 along surface girder steel height within range. And after the components 1-5 are installed in place and fixed, pouring concrete to form an integral concrete column-steel beam connecting node with a web plate provided with a hole.
Example 3
As shown in fig. 4-6, the steel beam comprises a steel beam 1, a bearing plate 2, a hoop plate 3, a stiffening rib 4, an L-shaped cylindrical steel plate 5 in a node core area, a web plate hole 6, a cylindrical steel plate hole 7 and an oblique stiffening rib 8. Embodiment 3 is the node of upper and lower post cross-section difference, except that node core area girder steel web and cylinder steel sheet trompil, upper portion hoop board size diminishes and upper portion post size corresponds, adds 45 oblique stiffening ribs between girder steel top flange and the last hoop board, strengthens the wholeness of node. In the embodiment, the cross sections of the upper column and the lower column are different, and the sizes of the hoop plates are different, so that the bearing plates are required to be additionally arranged at corresponding positions of the hoop plates, the two bearing plates are difficult to pour, the steel beam web plate needs to be provided with holes, and the holes are rectangular holes. This embodiment fig. 6 is a node form of a beam based on the unequal height section of fig. 4. The steel beams 1 in the two directions of the embodiment are connected in a welding mode, the parts 1-5 are connected in a welding mode, and the oblique stiffening ribs 8 are connected with the steel beams 1 and the hoop plates 3 through welding seams. The girder steel web of two directions in node core space all does and opens the hole and handles, and RCS node core space sets up node core space cylinder steel sheet 5 along surface girder steel height in-range, and the cylinder steel sheet of face of pouring is opened the hole and is handled, opens the discontinuity rectangular hole, makes things convenient for RCS node level concreting. And after the components 1-5 and 8 are installed in place and fixed, pouring concrete to form the integral concrete column-steel beam connection node with the web plate provided with the hole.
Compared with the three embodiments, on the premise of meeting the requirements of bearing capacity and rigidity of the node core area, the measures of punching the cylindrical steel plate of the node core area are adopted in the embodiment 2, so that compared with the embodiment 1, the horizontal pouring of concrete in the core area is facilitated, the processing and manufacturing period of the node can be effectively shortened, and labor and time cost are remarkably reduced. Embodiment 3 shows this utility model about the different high section roof beams and the different sectional combination forms of upper and lower post, has embodied the good suitability of this embodiment. The utility model discloses can be used for high cross-section girder steel such as, the various combination situations in the different cross-sections of high cross-section girder steel and upper and lower post of not waiting, have good suitability.
It can be seen from the description of the attached drawings and the embodiment, the utility model discloses a node simple structure, concrete placement is convenient, and it is clear and definite to pass power, and the atress is reasonable. Compare with traditional through type RCS node in roof beam, on the one hand, the degree of difficulty can be reduced by a wide margin to node core space concrete level pouring, and node processing preparation cycle can effectively be shortened, is showing to have reduced artifical and time cost, and on the other hand, the connection between node core space concrete and the girder steel is more reliable, and the wholeness is strong, atress safe and reliable, and the quality of node is good. Therefore, the invention has obvious economic benefit and outstanding technical effect, is worthy of industrial implementation and wide popularization and application, and is particularly suitable for multi-story and high-rise assembled reinforced concrete column-steel beam RCS mixed structure systems.
Claims (4)
1. The utility model provides a concrete column-girder steel connected node in hole is opened to web which characterized in that: the concrete column-girder steel connected node that the web opened a hole include girder steel (1), bearing plate (2) and hoop board (3), two girder steel cross connect, the girder steel on be provided with at least one web hole (6), bearing plate fixed connection in the top and the bottom of girder steel between, the hoop board set up in the top surface and the bottom surface of two girder steel handing-over points department, the top surface and the bottom surface of inboard and the girder steel of hoop board between all be connected through stiffening rib (4), be connected with node nuclear region L shape cylinder steel sheet (5) between two hoop boards, girder steel (1), bearing plate (2), hoop board (3), stiffening rib and node nuclear region L shape cylinder steel sheet between all through welded fastening connection.
2. The concrete column-steel beam connection node with a holed web as claimed in claim 1, wherein: one surface of the L-shaped cylindrical steel plate in the node core area is provided with at least one cylindrical steel plate hole (7).
3. The concrete column-steel beam connection node with a holed web as claimed in claim 1, wherein: the cylindrical steel plate holes are rectangular holes.
4. A concrete column-steel beam connection node with a holed web according to claim 1, 2 or 3, characterized in that: the steel beam hoop plate is characterized in that the outer side of the hoop plate is connected with the top surface and the bottom surface of the steel beam through oblique stiffening ribs (8), and the oblique stiffening ribs (8) are fixed with the steel beam (1) and the hoop plate (3) through welding seams.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023113065.7U CN214574703U (en) | 2020-12-22 | 2020-12-22 | Concrete column-steel beam connection node with web plate provided with hole |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023113065.7U CN214574703U (en) | 2020-12-22 | 2020-12-22 | Concrete column-steel beam connection node with web plate provided with hole |
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| CN214574703U true CN214574703U (en) | 2021-11-02 |
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| CN202023113065.7U Active CN214574703U (en) | 2020-12-22 | 2020-12-22 | Concrete column-steel beam connection node with web plate provided with hole |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115162515A (en) * | 2022-08-01 | 2022-10-11 | 江苏金贸科技发展有限公司 | A prefabricated beam-column lap joint structure |
-
2020
- 2020-12-22 CN CN202023113065.7U patent/CN214574703U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115162515A (en) * | 2022-08-01 | 2022-10-11 | 江苏金贸科技发展有限公司 | A prefabricated beam-column lap joint structure |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231013 Address after: 201100 Floor 3, Building B, No. 940, Jianchuan Road, Minhang District, Shanghai Patentee after: China Construction Technology Group East China Co.,Ltd. Address before: 5 / F, 277 Huqingping Road, Minhang District, Shanghai, 201100 Patentee before: China Construction Technology Co.,Ltd. East China branch |
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| TR01 | Transfer of patent right |