CN219653947U - Girder steel and concrete PC roof beam connection structure - Google Patents
Girder steel and concrete PC roof beam connection structure Download PDFInfo
- Publication number
- CN219653947U CN219653947U CN202320877639.2U CN202320877639U CN219653947U CN 219653947 U CN219653947 U CN 219653947U CN 202320877639 U CN202320877639 U CN 202320877639U CN 219653947 U CN219653947 U CN 219653947U
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- concrete
- steel
- connection structure
- roof beam
- bolt
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- 239000004567 concrete Substances 0.000 title claims abstract description 82
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 72
- 239000010959 steel Substances 0.000 title claims abstract description 72
- 239000004575 stone Substances 0.000 claims abstract description 12
- 238000004873 anchoring Methods 0.000 claims abstract description 4
- 238000009434 installation Methods 0.000 claims description 3
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- Joining Of Building Structures In Genera (AREA)
Abstract
The utility model discloses a steel beam and concrete PC beam connecting structure, which comprises a concrete PC beam and a steel beam, wherein the two sides of the top of the concrete PC beam are respectively provided with the steel beam, the connecting part of the concrete PC beam and the steel beam is reserved with bolt holes, the connecting part is provided with two bolt holes, the bolt holes are provided with anchor bolts, the steel beam is fixed on the concrete PC beam through the anchor bolts, a secondary beam notch is pre-placed on the concrete PC beam, fine stone concrete is poured after the secondary beam is installed, the concrete PC beam is pre-manufactured into a convex shape, the aperture of the bolt holes is not 28mm, the diameter of threads of the anchor bolts is 24mm, the strength of the fine stone concrete is 40 megapascals, the steel beam is welded with lifting ring steel bars, and the anchoring length of the steel bars is more than 30d.
Description
Technical Field
The utility model relates to the technical field of buildings, in particular to a connecting structure of a steel beam and a concrete PC beam.
Background
With the continuous improvement of the requirements of people on the appearance of buildings, various modeling buildings are continuously emerging, steel structure forms are often adopted in concrete structure transformation projects, the connection nodes of newly-added steel beams and original concrete structures are quite common, the performance of the connection nodes of the newly-added steel beams and the original concrete structures influences the overall working condition between the newly-added structure and the original concrete structures and the stress state of newly-added components, development of assembled buildings is one of the important points of the improvement of the building industry in recent years, a frame structure system formed by assembling reinforced concrete columns and steel beams is gradually applied and developed in engineering practice, and the characteristics of the connection nodes directly relate to the construction performance of the whole structure, the service performance under normal conditions and the safety performance under extreme conditions and the economic indexes of the building in the whole life cycle.
The existing steel beam and the concrete PC beam are inconvenient to connect and poor in safety, so that the utility model provides a connecting structure of the steel beam and the concrete PC beam to solve the problems.
Disclosure of Invention
Aiming at the defects existing in the prior art, the utility model provides a connecting structure of a steel beam and a concrete PC beam, which has the following specific technical scheme:
the utility model provides a girder steel and concrete PC roof beam connection structure, includes concrete PC roof beam and girder steel, install respectively in concrete PC roof beam top both sides the girder steel, concrete PC roof beam with the junction of girder steel is reserved there are the bolt hole, and the junction is provided with two bolt holes, the bolt hole is provided with the crab-bolt, the girder steel passes through the crab-bolt is fixed on the concrete PC roof beam, lay the secondary beam notch in advance on the concrete PC roof beam, and pour fine stone concrete after the secondary beam installation is accomplished.
Preferably, the concrete PC beam is prefabricated into a convex shape.
Preferably, the aperture of the bolt hole is not 28mm.
Preferably, the diameter of the screw thread of the anchor bolt is 24mm.
Preferably, the fine stone concrete has a strength of 40 mpa.
Preferably, the steel beams are connected with the steel bar truss floor support plates by adopting cylindrical head studs, the diameter is 19mm, the length is 130mm, the steel beams are arranged in double rows, and the beam extension distance is 150mm.
Preferably, the steel beam is welded with a lifting ring steel bar, and the anchoring length of the lifting ring steel bar is more than 30d.
Compared with the prior art, the utility model has the following beneficial effects:
through the concrete PC roof beam, girder steel and crab-bolt isotructure that sets up, concrete PC roof beam is prefabricated "protruding" style of calligraphy, the girder steel is shelved in "protruding" concrete roof beam one side, bolt hole is reserved on protruding concrete PC roof beam upper portion, be connected fixed girder steel and concrete PC roof beam through the crab-bolt, shelve the secondary beam notch in advance on the concrete PC roof beam, and the secondary beam has been pour fine stone concrete after the installation is accomplished, pour concrete floor and form overall structure, girder steel and concrete PC roof beam are connected conveniently, safe and reliable, inconvenient when having solved current girder steel and concrete PC roof beam and being connected, and the not good problem of security.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:
fig. 1 is a schematic top view of a connection structure between a steel beam and a concrete PC beam according to the present utility model;
fig. 2 is a schematic diagram of a front view structure of a connection structure between a steel beam and a concrete PC beam according to the present utility model;
FIG. 3 is a schematic structural view of bolt holes in a steel beam and concrete PC beam connection structure according to the present utility model;
fig. 4 is a schematic structural view of a lifting ring steel bar in a connection structure of a steel beam and a concrete PC beam according to the present utility model.
In the figure: 1-concrete beam, 2-girder steel, 3-crab-bolt, 4-bolt hole, 5-fine stone concrete.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, a steel beam and concrete PC beam connection structure comprises a concrete PC beam 1 and a steel beam 2, wherein steel beams 2 are respectively installed at two sides of the top of the concrete PC beam 1, bolt holes 4 are reserved at the connection of the concrete PC beam 1 and the steel beams 2, two bolt holes 4 are arranged at the connection, an anchor bolt 3 is arranged at the bolt holes 4, the steel beam 2 is fixed on the concrete PC beam 1 through the anchor bolt 3, a secondary beam notch is pre-placed on the concrete PC beam 1, fine stone concrete 5 is poured after the secondary beam is installed, the concrete PC beam 1 is pre-manufactured into a 'convex' shape, the steel beam 2 is placed at one side of the 'convex' concrete beam, bolt holes 4 are reserved at the upper part of the convex concrete PC beam 1, the steel beam 2 and the concrete PC beam are fixedly connected through the anchor bolt 3, the secondary beam notch is pre-placed on the concrete PC beam 1, fine stone concrete floor is poured after the secondary beam is installed, an integral structure is formed, and the connection with the existing PC beam is inconvenient and safe when the PC is connected with the existing PC beam;
as the improvement of the technical scheme, the aperture of the bolt hole 4 is not 28mm, the diameter of the screw thread of the anchor bolt 3 is 24mm, the strength of the fine stone concrete 5 is 40 megapascals, the steel beam 2 and the steel bar truss floor support plate are connected by adopting cylindrical head studs, the diameter is 19mm, the length is 130mm, the double-row arrangement is carried out, the beam extension distance is 150mm, the steel beam 2 is welded with hanging ring steel bars, and the anchoring length of the hanging ring steel bars is more than 30d.
The working principle and the using method of the utility model are as follows:
when the concrete PC beam 1 is used, the concrete PC beam 1 is prefabricated into a convex shape, the steel beam 2 is placed on one side of the convex concrete beam, bolt holes 4 are reserved in the upper portion of the convex concrete PC beam 1, the steel beam 2 and the concrete PC beam are fixedly connected through the anchor bolts 3, the secondary beam notch is pre-placed on the concrete PC beam 1, fine stone concrete is poured after the secondary beam is installed, a concrete floor slab is poured to form an integral structure, and the steel beam and the concrete PC beam are connected conveniently, safely and reliably.
The present utility model is not described in detail in the present application, and is well known to those skilled in the art.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a girder steel and concrete PC roof beam connection structure, includes concrete PC roof beam (1) and girder steel (2), its characterized in that, install respectively in concrete PC roof beam (1) top both sides girder steel (2), concrete PC roof beam (1) with bolt hole (4) are reserved in the junction of girder steel (2), and the junction is provided with two bolt holes (4), bolt hole (4) are provided with crab-bolt (3), girder steel (2) pass through crab-bolt (3) are fixed on concrete PC roof beam (1), place the secondary roof beam notch in advance on concrete PC roof beam (1), and pour fine stone concrete (5) after the secondary roof beam installation is accomplished.
2. A steel beam and concrete PC beam connection structure according to claim 1, characterized in that: the concrete PC beam (1) is prefabricated into a convex shape.
3. A steel beam and concrete PC beam connection structure according to claim 2, characterized in that: the aperture of the bolt hole (4) is 28mm.
4. A steel beam and concrete PC beam connection structure according to claim 3, characterized in that: the diameter of the screw thread of the anchor bolt (3) is 24mm.
5. The steel beam and concrete PC beam connection structure according to claim 4, wherein: the fine stone concrete (5) has a strength of 40 mpa.
6. The steel beam and concrete PC beam connection structure according to claim 5, wherein: the steel beams (2) are connected with the steel bar truss floor support plates by adopting cylindrical head studs, the diameter is 19mm, the length is 130mm, the steel beams are arranged in double rows, and the beam extension distance is 150mm.
7. The steel beam and concrete PC beam connection structure according to claim 6, wherein: and the steel beam (2) is welded with a lifting ring steel bar, and the anchoring length of the lifting ring steel bar is more than 30d.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320877639.2U CN219653947U (en) | 2023-04-19 | 2023-04-19 | Girder steel and concrete PC roof beam connection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320877639.2U CN219653947U (en) | 2023-04-19 | 2023-04-19 | Girder steel and concrete PC roof beam connection structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219653947U true CN219653947U (en) | 2023-09-08 |
Family
ID=87876153
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320877639.2U Active CN219653947U (en) | 2023-04-19 | 2023-04-19 | Girder steel and concrete PC roof beam connection structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219653947U (en) |
-
2023
- 2023-04-19 CN CN202320877639.2U patent/CN219653947U/en active Active
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