CN213233832U - Connecting structure for steel hanging columns hung on reinforced concrete beam - Google Patents
Connecting structure for steel hanging columns hung on reinforced concrete beam Download PDFInfo
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- CN213233832U CN213233832U CN202021846459.0U CN202021846459U CN213233832U CN 213233832 U CN213233832 U CN 213233832U CN 202021846459 U CN202021846459 U CN 202021846459U CN 213233832 U CN213233832 U CN 213233832U
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Abstract
The utility model discloses a reinforced concrete roof beam hangs connection structure of steel davit, including board, reinforced concrete roof beam, pre-buried bolt, fixed steel sheet and steel davit, the reinforced concrete roof beam is located the lower extreme of board, pre-buried bolt is to wearing the reinforced concrete roof beam, pre-buried bolt is located the upper end position of reinforced concrete roof beam, two fixed steel sheet passes through pre-buried bolt is fixed on the reinforced concrete roof beam side end face, the steel davit is fixed two between the fixed steel sheet under the reinforced concrete roof beam. The present application solves the following problems: the damage of the embedded part to the upper layer reinforced concrete beam is reduced; the upper-layer structural beam is more reasonably stressed, and the utilization of the bearing capacity of the upper-layer beam can be increased; the construction operation is convenient, the on-site construction efficiency is increased, and the on-site construction quality is ensured; the damage to the original upper-layer structural beam and the interference of the steel bars are reduced, and the safety of engineering reconstruction is ensured.
Description
Technical Field
The utility model relates to a building structure field, concretely relates to reinforced concrete roof beam hangs connection structure of steel davit.
Background
With the continuous development of China, the number of office buildings, hotels, houses and the like is continuously increased, and the large space, the large span, the high headroom, the multiple functions and the attractive appearance are very important requirements for buildings, so that steel structural members of a suspension part in a reinforced concrete structure are frequently applied to a plurality of complex scenes by buildings, the application of the steel structural members is flexible and changeable, and the requirements of a plurality of building functions and building appearances can be met. Such as: and a lower hanging steel structure interlayer/equipment layer and the like are arranged in the reinforced concrete frame structure.
At present, China pushes the rapid development of the fabricated building, and the fabricated building is imperative. In order to meet the requirements of prefabricated buildings, a part of steel structures or steel components need to be embedded into a plurality of reinforced concrete structures, and a plurality of embedded steel structure parts need to be in a suspension mode for taking the using functions of the buildings into consideration. The complexity and difficulty of the existing building are increased more and more, and inconvenience and difficulty are brought to the design of the building structure and the site construction.
At present, the common method for hanging the steel hanging columns similar to the reinforced concrete beams is to arrange embedded parts at the upper ends of the steel hanging columns, and the embedded parts are embedded into the beam bottoms of the upper reinforced concrete beams, but the method has a plurality of defects and inconvenience.
1) The embedded part in this way can set up more reinforcing bar in the roof beam, and the reinforcing bar anchor is darker in the roof beam, these embedded reinforcing bars are in original roof beam and crisscross multilayer arrangement of crossing of former roof beam design reinforcing bar violently indulge, to original roof beam design longitudinal reinforcement and stirrup production interference, for this design should consider here to the adverse effect of upper beam, the enhancement of the relevant constructional measure of roof beam cross-section and roof beam that generally can increase, not only cause the waste of material, arrange more still can cause a lot of troubles and inconvenience to the site operation with the position reinforcing bar, increase many time limit for a project and engineering cost. According to past engineering experience, complex node design and complex construction can damage the self-completion quality of the structure to a certain extent, and the safety degree of the structure is reduced.
2) The main beam bottom longitudinal rib stress of the span center area of the beam is also an area where the beam bottom cracks are easy to occur, the beam bottom is provided with the embedded part and bears the lower hanging force, the generation of the beam bottom cracks can be increased, and the beam bottom longitudinal rib bearing capacity and the beam durability are reduced.
3) The method can also influence the beam bottom die in the on-site beam formwork construction, increase the waste of the beam bottom die, cause construction inconvenience, reduce the construction quality and increase the construction cost.
At present, commercial engineering often meets the adjustment and change of building arrangement and use in the use process, the original project engineering needs to be modified, and the problem of adjustment of a lot of buildings can be solved by utilizing a suspended steel structure in the modification, so that the new requirements of the buildings are met. The traditional method of hanging the steel davit is that to set up the built-in fitting under the upper reinforced concrete roof beam, and bolt or bar planting are implanted to the beam bottom, and this can be to the roof beam of former structure roof beam indulge muscle, stirrup and concrete cross-section cause certain degree destruction and influence, reduce the degree of safety and the bearing capacity of former structure roof beam. And the construction method of planting the steel bars from the bottom of the beam is very difficult due to the influence of dense arrangement of the longitudinal steel bar stirrups of the beam, the condition for planting the steel bars is very limited, and the construction method has great condition limitation on engineering reconstruction.
Disclosure of Invention
In view of the above-mentioned drawbacks and deficiencies of the prior art, it would be desirable to provide a connection structure for a reinforced concrete beam suspension steel suspension column.
According to the technical scheme provided by the embodiment of the application, the connection structure of the reinforced concrete beam suspension steel hanging column comprises a plate, a reinforced concrete beam, embedded bolts, fixed steel plates and steel hanging columns, wherein the reinforced concrete beam is positioned at the lower end of the plate, the plate and the reinforced concrete beam are of an integrated structure, the longitudinal section of the plate and the longitudinal section of the reinforced concrete beam are in a T shape, the embedded bolts are positioned in the reinforced concrete beam and penetrate through the left end surface and the right end surface of the reinforced concrete beam, the embedded bolts are positioned at the upper end part of the reinforced concrete beam, the number of the fixed steel plates is two, the two fixed steel plates are fixed on the left end surface and the right end surface of the reinforced concrete beam through the embedded bolts, the lower end surface of each fixed steel plate is positioned below the lower end surface of the reinforced concrete beam, the steel davit is fixed two between the fixed steel sheet under the reinforced concrete roof beam, the left end face and the right-hand member face of steel davit are all through welded mode fixed connection fixed steel sheet.
The utility model discloses in, pre-buried bolt's quantity is a plurality of, a plurality of pre-buried bolt is the grid arrangement, pre-buried bolt is high strength bolt.
The utility model discloses in, the reinforced concrete roof beam is reinforced concrete structure.
The utility model discloses in, fixed steel sheet is the vertical rectangle structure of placing.
The utility model discloses in, the steel davit is the vertical cuboid shape of placing.
The utility model discloses in, the steel davit passes through bolt fixed connection fixed steel sheet.
To sum up, the beneficial effect of this application: the present application solves the following problems:
1) the embedded part is arranged at the bottom side of the upper layer reinforced concrete beam, the embedded part and the opposite penetrating bolt are mainly embedded in the upper layer structural beam web, the relatively large arrangement distance and the rule of the beam web waist reinforcement and the stirrup are considered, the problem that longitudinal reinforcements at the bottom of the beam are dense is avoided, and the problem that the reinforcing steel bars in the upper layer reinforced concrete beam and the reinforcing steel bars of the embedded part of the steel hanging column interfere with each other is solved; the damage of the embedded part to the upper layer reinforced concrete beam is reduced;
2) the oppositely-penetrating bolts are arranged along the height of the web plate of the upper layer reinforced concrete beam, the stress of the upper layer structural beam is more reasonable, and the utilization of the bearing capacity of the upper layer beam can be increased;
3) the simple and clear structural joint is convenient for construction operation, the on-site construction efficiency is increased, and the on-site construction quality is ensured;
4) in an engineering transformation project, the through bolts are implanted into the upper layer reinforced concrete beam web plate, so that the damage to the original upper layer structural beam and the interference of reinforcing steel bars are reduced, and the safety of engineering transformation is ensured;
5) in the reinforced concrete structure engineering, the novel method can be applied to the condition of hanging steel suspension posts in various reinforced concrete structures due to the factors of clear stress principle, simple node structure, convenient construction and the like.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:
fig. 1 is a schematic front view of the overall device of the present invention;
FIG. 2 is a schematic cross-sectional view of the overall device of the present invention;
fig. 3 is the utility model discloses the front view structure schematic diagram of reinforced concrete roof beam.
Reference numbers in the figures: a plate-1; a reinforced concrete beam-2; embedding a bolt-3; fixing a steel plate-4; a steel suspension post-5.
Detailed Description
The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not restrictive of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
As shown in fig. 1, 2 and 3, a connection structure for a reinforced concrete beam to hang a steel hanging column comprises a plate 1, a reinforced concrete beam 2, an embedded bolt 3, a fixed steel plate 4 and a steel hanging column 5,
the reinforced concrete beam 2 is positioned at the lower end of the plate 1, the plate 1 and the reinforced concrete beam 2 are of an integrated structure, the longitudinal sections of the plate 1 and the reinforced concrete beam 2 are T-shaped, the embedded bolts 3 are positioned in the reinforced concrete beam 2,
Example 1: the embedded bolts 3 are embedded in the reinforced concrete beam 2, the fixed steel plates 4 are fixed to the side end faces of the reinforced concrete beam 2 through the embedded bolts 3, and the steel suspension posts 5 are fixed between the fixed steel plates 4 under the reinforced concrete beam 2.
Example 2:
1. a plurality of numbers of the embedded bolts 3 are embedded in the reinforced concrete beam 2, the embedded bolts 3 can be arranged in multiple rows and multiple columns to meet design requirements, and the width and the thickness of the corresponding steel plate can be increased according to the design requirements;
2. the upper end parts of the fixed steel plates 4 are fixed at the upper end parts of the end surfaces of the two sides of the reinforced concrete beam 2 by the embedded bolts 3, so that the installation is convenient and the operation is easy;
3. fixing the steel hanging columns 5 on the fixed steel plates 4 between the two fixed steel plates 4 in a manner of connecting various steel structural members such as welding, bolts and the like;
4. the force of the steel suspension posts 5 is transmitted to the reinforced concrete beam 2 by the aid of the embedded bolts 3, so that the steel suspension posts 5 are simple and definite in force transmission of the reinforced concrete beam 2, design and calculation are easy, and utilization and safety of bearing capacity of the upper-layer reinforced concrete beam are guaranteed.
The foregoing description is only exemplary of the preferred embodiments of the application and is provided for the purpose of illustrating the general principles of the technology and the like. Meanwhile, the scope of the invention according to the present application is not limited to the technical solutions in which the above-described technical features are combined in a specific manner, and also covers other technical solutions in which the above-described technical features or their equivalent are combined arbitrarily without departing from the inventive concept described above. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.
Claims (6)
1. The utility model provides a reinforced concrete roof beam hangs connection structure of steel davit, characterized by: comprises a plate (1), a reinforced concrete beam (2), an embedded bolt (3), a fixed steel plate (4) and a steel hanging column (5),
the reinforced concrete beam (2) is positioned at the lower end of the plate (1), the plate (1) and the reinforced concrete beam (2) are of an integrated structure, the longitudinal sections of the plate (1) and the reinforced concrete beam (2) are in a T shape,
the embedded bolts (3) are positioned in the reinforced concrete beam (2),
pre-buried bolt (3) are to wearing the left end face and the right-hand member face of reinforced concrete roof beam (2), pre-buried bolt (3) are located the upper end position of reinforced concrete roof beam (2), the quantity of fixed steel sheet (4) is two, two fixed steel sheet (4) are passed through pre-buried bolt (3) are fixed on the left end face and the right-hand member face of reinforced concrete roof beam (2), the lower terminal surface of fixed steel sheet (4) is located the below of terminal surface under reinforced concrete roof beam (2), steel davit (5) are fixed two between fixed steel sheet (4) under reinforced concrete roof beam (2), the left end face and the right-hand member face of steel davit (5) all through welded mode fixed connection fixed steel sheet (4).
2. The connection structure of a reinforced concrete beam suspension steel suspension column according to claim 1, wherein: the number of the embedded bolts (3) is a plurality of, the embedded bolts (3) are arranged in a grid mode, and the embedded bolts (3) are high-strength bolts.
3. The connection structure of a reinforced concrete beam suspension steel suspension column according to claim 1, wherein: the reinforced concrete beam (2) is of a reinforced concrete structure.
4. The connection structure of a reinforced concrete beam suspension steel suspension column according to claim 1, wherein: the fixed steel plate (4) is of a vertically placed rectangular structure.
5. The connection structure of a reinforced concrete beam suspension steel suspension column according to claim 1, wherein: the steel suspension posts (5) are vertically arranged in a cuboid shape.
6. The connection structure of a reinforced concrete beam suspension steel suspension column according to claim 1, wherein: the steel hanging columns (5) are fixedly connected with the fixed steel plates (4) through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021846459.0U CN213233832U (en) | 2020-08-31 | 2020-08-31 | Connecting structure for steel hanging columns hung on reinforced concrete beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021846459.0U CN213233832U (en) | 2020-08-31 | 2020-08-31 | Connecting structure for steel hanging columns hung on reinforced concrete beam |
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| Publication Number | Publication Date |
|---|---|
| CN213233832U true CN213233832U (en) | 2021-05-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021846459.0U Active CN213233832U (en) | 2020-08-31 | 2020-08-31 | Connecting structure for steel hanging columns hung on reinforced concrete beam |
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| Country | Link |
|---|---|
| CN (1) | CN213233832U (en) |
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- 2020-08-31 CN CN202021846459.0U patent/CN213233832U/en active Active
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