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Mixed shear connector

A shear-resistant connector and connector technology, which can be applied to buildings, building structures, etc., can solve problems such as difficulty in fitting calculation formulas, inconvenient application, etc., achieving good social benefits and transformation prospects, convenient connection, and reducing total cost. Effect

Inactive Publication Date: 2014-02-12
NANJING UNIV OF TECH
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  • Abstract
  • Description
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Problems solved by technology

It is a kind of overall joint resistance to shear force formed by concrete and transverse steel bars penetrating holes. Although it has the advantages of better fatigue performance than studs, high bearing capacity, good fatigue resistance and simple construction method, the ultimate bearing capacity of PBL connectors The discreteness of force is much larger than that of studs, so it is not easy to fit a reliable calculation formula. At present, there are no regulations at home and abroad on the size and bearing capacity of PBL connectors, so it is inconvenient to apply

Method used

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  • Mixed shear connector

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Embodiment Construction

[0019] Below in conjunction with specific embodiment and accompanying drawing, the present invention will be further described:

[0020] Such as figure 1 As shown, a hybrid shear connector includes a channel steel connector 1 and a bent steel bar connector 2, the channel steel connector 1 and the bent steel bar connector 2 are arranged in the floor, the channel steel connector 1 and the bent steel bar connector 2 The bent steel bar connectors 2 are alternately arranged on the steel girder 3, the channel steel connectors 1 should be arranged at the beam end, the web of the channel steel connector 1 is provided with a reserved hole, and the longitudinal direction of the steel mesh in the floor slab Steel bars 4 pass through the reserved holes.

[0021] An additional transverse reinforcement 5 is added to the bent-up reinforcing bar connector, and is fastened with the bent-up reinforcing bar connector 2 .

[0022] The above is only a preferred embodiment of the present inventio...

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Abstract

The invention discloses a mixed shear connector which comprises channel steel connectors and bent-up steel bar connectors, wherein the channel steel connectors and the bent-up steel bar connectors are arranged in a floor slab and distributed on a steel beam alternately; the channel steel connectors are suitable for being arranged at the beam end; preformed holes are formed in ventral plates of the channel steel connectors; and reinforcement bars in reinforced nets in the floor slab penetrate through the preformed holes. According to the mixed shear connector, the channel steel connectors and the bent-up steel bar connectors are distributed on the steel beam at intervals, so that joint shear of the bent-up steel bar connectors and the channel steel connectors is realized, cooperative work of the steel beam and the concrete floor slab is guaranteed, and the structure bearing capacity is improved.

Description

technical field [0001] The invention relates to the technical field of civil engineering building structures, in particular to a hybrid shear connector. Background technique [0002] The stud is a flexible connector, the force is not directional, the volume is small, the layout is flexible and convenient, but the shear bearing capacity is not large, the bending stiffness is small, the pressure bearing surface is small, the stress concentration at the root is large, excessive welding, resulting in excessive residual stress. Although it has good deformation ability, but the bearing capacity is low. Moreover, special welding machines and ceramic rings are required, and the construction process is relatively complicated. [0003] When conditions permit, most of the stud connectors are used, and the low bearing capacity makes it necessary to use a large number of studs when resisting shear. Although the actual bearing capacity of studs is much larger than the bearing capacity ...

Claims

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Application Information

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IPC IPC(8): E04B1/38
Inventor 郑廷银张志宇褚秋云
Owner NANJING UNIV OF TECH
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