CN210164046U - Prefabricated girder of assembled and secondary beam connected node structure - Google Patents
Prefabricated girder of assembled and secondary beam connected node structure Download PDFInfo
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- CN210164046U CN210164046U CN201920653333.2U CN201920653333U CN210164046U CN 210164046 U CN210164046 U CN 210164046U CN 201920653333 U CN201920653333 U CN 201920653333U CN 210164046 U CN210164046 U CN 210164046U
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- prefabricated
- secondary beam
- main beam
- shaped steel
- node structure
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Abstract
The utility model discloses an assembled prefabricated main beam and secondary beam connecting node structure, which comprises a prefabricated main beam and a prefabricated secondary beam; transverse U-shaped steel bars are pre-embedded in the prefabricated main beam, the connecting surface of the prefabricated main beam and the secondary beam is provided with a rough surface, and a key groove is formed in the secondary beam; the U-shaped steel bars and the prefabricated secondary beam reinforcing bars are welded together, the U-shaped steel bars and the secondary beam reinforcing bar central lines are aligned up and down or left and right, and the overlapped parts are provided with the encrypted stirrups; and after the placement of the upper longitudinal bars and the stirrups of the prefabricated main beam and the prefabricated secondary beam, pouring and tamping the post-cast concrete to form a whole. The utility model discloses prefabricated girder of assembled and secondary beam connected node structure, it is easy and simple to handle, it is strong to connect the wholeness, and construction speed is fast, has realized equalling cast-in-place purpose.
Description
Technical Field
The utility model relates to a node structure among the building structure engineering especially relates to a prefabricated girder of assembled and secondary beam connected node.
Background
Along with the development of assembly type structure, more and more novel primary and secondary roof beam connected node forms are developed, adopt more at present to be the ox stretcher board connected node, through pre-buried ox stretcher board at secondary beam tip, set up the recess at the girder and realize prefabricating primary and secondary roof beam and connect, this kind of connected form belongs to and articulates, and the secondary roof beam does not participate in the antidetonation effect, and whole anti-seismic performance is weak.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's defect, provide a wholeness better, and the prefabricated primary and secondary roof beam connected node of assembled that atress performance is better.
The utility model provides a prefabricated girder of assembled and secondary beam connected node structure, includes prefabricated girder and prefabricated secondary beam, its characterized in that: transverse U-shaped steel bars are pre-embedded in the prefabricated main beam, the surface of the prefabricated main beam is connected with the secondary beam, the surface of the main beam is a rough surface, and the surface of the secondary beam is provided with a key groove; the U-shaped steel bars and the prefabricated secondary beam rib outlet are welded together, the U-shaped steel bars and the secondary beam rib outlet central line are aligned up and down or left and right, and the overlapped part is provided with a hoop reinforcement; and after the prefabricated main beam, the upper longitudinal bars and the stirrups of the prefabricated secondary beam are placed, pouring and tamping the post-cast concrete to form a whole.
Preferably, the U-shaped steel bars are transversely placed in the prefabricated main beam and welded with the longitudinal bars of the prefabricated main beam.
Preferably, prefabricated girder of assembled and secondary beam connected node structure, its characterized in that: the length of the U-shaped steel bar bending section is not greater than the prefabrication height of the secondary beam.
Preferably, prefabricated girder of assembled and secondary beam connected node structure, its characterized in that: and the elevation of the bottom of the prefabricated secondary beam is not lower than that of the bottom of the prefabricated main beam.
Preferably, prefabricated girder of assembled and secondary beam connected node structure, its characterized in that: the prefabricated secondary beam key groove is of a trapezoidal or quadrangular section.
Preferably, prefabricated girder of assembled and secondary beam connected node structure, its characterized in that: the rough surface of the prefabricated secondary beam is a gravel surface washed by water during initial setting of concrete.
The utility model has the advantages that: the utility model discloses with U shaped steel muscle pre-buried in prefabricated girder, later stage U shaped steel muscle goes out the muscle welding and sets up the encrypted stirrup with the secondary beam, forms wholly behind the concreting, has realized the continuity of primary and secondary beam node. Compared with the primary and secondary beams which are connected by the cattle arm plates, the U-shaped steel bar connection has a better force transmission path. Through set up the transmission of shearing force at U shaped steel muscle junction, guaranteed. The connection surface of the primary beam and the secondary beam is provided with a rough surface and a key groove, and the prefabrication and cast-in-place connection is more compact. The connection mode is simple and convenient to operate, high in connection integrity and high in construction speed, and the purpose of equal cast-in-place is achieved.
Drawings
Fig. 1 is a schematic structural view of a connection node of an assembled prefabricated main beam and a secondary beam of the utility model;
FIG. 2 is a schematic sectional view of the A-A section of the prefabricated main beam and secondary beam connection node structure of the present invention;
wherein: 1-post-cast concrete, 2-upper longitudinal bars, 3-encrypted stirrups, 4-key slots, 5-prefabricated secondary beams, 6-U-shaped steel bars, 7-secondary beam ribs, 8-prefabricated main beams and 9-rough surfaces.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in FIGS. 1-2, the prefabricated main beam and secondary beam connection node structure comprises a prefabricated main beam 8 and a prefabricated secondary beam 5, wherein a transverse U-shaped steel bar 6 is embedded in the prefabricated main beam, the prefabricated main beam and the secondary beam are connected, the main beam surface is a rough surface 9, and the secondary beam surface is provided with a key groove 4. U shaped steel muscle 6 and prefabricated secondary beam go out muscle 7 welding together, and U shaped steel muscle 6 aligns about or with the 7 central lines of secondary beam play muscle about, and the overlap joint position sets up the stirrup 3 that encrypts. The prefabricated main beam 8, the upper longitudinal bar 2 of the prefabricated secondary beam 5 and the encrypted stirrup 3 are placed, and the post-cast concrete 1 is poured and tamped to form a whole.
During specific implementation, the U-shaped steel bars 6 are transversely placed in the prefabricated main beam 8 and are welded with the longitudinal bars of the prefabricated main beam 8.
In specific implementation, the length of the bent section of the U-shaped steel bar 6 is not more than the prefabrication height of the secondary beam.
During specific implementation, the bottom elevation of the prefabricated secondary beam 5 is not lower than the bottom elevation of the prefabricated main beam 8.
In specific implementation, the key groove 4 of the prefabricated secondary beam 5 is of a trapezoidal or quadrangular section.
During specific implementation, the rough surface 9 of the prefabricated secondary beam 5 is a gravel surface washed by water during initial setting of concrete.
Claims (6)
1. The utility model provides a prefabricated girder of assembled and secondary beam connected node structure, includes prefabricated girder and prefabricated secondary beam, its characterized in that: transverse U-shaped steel bars are pre-embedded in the prefabricated main beam, the surface of the prefabricated main beam is connected with the secondary beam, the surface of the main beam is a rough surface, and the surface of the secondary beam is provided with a key groove; the U-shaped steel bars and the prefabricated secondary beam rib outlet are welded together, the U-shaped steel bars and the secondary beam rib outlet central line are aligned up and down or left and right, and the overlapped part is provided with a hoop reinforcement; and after the placement of the upper longitudinal bars and the stirrups of the prefabricated main beam and the prefabricated secondary beam is finished, pouring and tamping the post-cast concrete to form a whole.
2. The prefabricated main beam and secondary beam connection node structure of claim 1, wherein: the U-shaped steel bars are transversely placed in the prefabricated main beam and welded with the longitudinal bars of the prefabricated main beam.
3. The prefabricated main beam and secondary beam connection node structure of claim 1, wherein: the length of the U-shaped steel bar bending section is not greater than the prefabrication height of the secondary beam.
4. The prefabricated main beam and secondary beam connection node structure of claim 1, wherein: and the elevation of the bottom of the prefabricated secondary beam is not lower than that of the bottom of the prefabricated main beam.
5. The prefabricated main beam and secondary beam connection node structure of claim 1, wherein: the prefabricated secondary beam key groove is of a trapezoidal or quadrangular section.
6. The prefabricated main beam and secondary beam connection node structure of claim 1, wherein: the rough surface of the prefabricated secondary beam is a gravel surface washed by water during initial setting of concrete.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920653333.2U CN210164046U (en) | 2019-05-08 | 2019-05-08 | Prefabricated girder of assembled and secondary beam connected node structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920653333.2U CN210164046U (en) | 2019-05-08 | 2019-05-08 | Prefabricated girder of assembled and secondary beam connected node structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210164046U true CN210164046U (en) | 2020-03-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920653333.2U Active CN210164046U (en) | 2019-05-08 | 2019-05-08 | Prefabricated girder of assembled and secondary beam connected node structure |
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| CN (1) | CN210164046U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112411746A (en) * | 2020-11-27 | 2021-02-26 | 湖南建工五建建筑工业化有限公司 | Primary and secondary beam cross lap joint structure and connection method thereof |
| CN112746576A (en) * | 2021-01-13 | 2021-05-04 | 江西建邦建设集团有限公司 | Road three-leg cylinder equal-distance placing device |
-
2019
- 2019-05-08 CN CN201920653333.2U patent/CN210164046U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112411746A (en) * | 2020-11-27 | 2021-02-26 | 湖南建工五建建筑工业化有限公司 | Primary and secondary beam cross lap joint structure and connection method thereof |
| CN112746576A (en) * | 2021-01-13 | 2021-05-04 | 江西建邦建设集团有限公司 | Road three-leg cylinder equal-distance placing device |
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