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Connecting piece for steel-concrete composite structure and construction method

A technology of combined structures and connectors, applied to bridge parts, erection/assembly of bridges, bridges, etc., can solve problems such as difficult disassembly and replacement

Pending Publication Date: 2021-09-10
SOUTH CHINA UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, from the perspective of sustainable development, the structure is required to be detachable and recyclable at the end of its service life or when it is damaged. It is difficult to carry out the traditional composite beam with welded stud shear connectors during demolition or reconstruction. Easy and effective replacement

Method used

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  • Connecting piece for steel-concrete composite structure and construction method
  • Connecting piece for steel-concrete composite structure and construction method
  • Connecting piece for steel-concrete composite structure and construction method

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Embodiment Construction

[0032] The purpose of the invention of the present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments, and the embodiments cannot be repeated here one by one, but the implementation of the present invention is not therefore limited to the following embodiments.

[0033] Such as Figures 1 to 6 As shown, a connector for a steel-concrete composite structure includes an inverted cone nut 1, a screw rod 3, an elastic sleeve 2 and a nut 5, and the smallest end of the inverted cone nut 1 is connected to one end of the screw rod 3 , the other end of the screw 3 is connected to the nut 5 , the elastic sleeve 2 is sleeved on the shaft of the screw 3 , and the elastic sleeve 2 is located between the inverted cone nut 1 and the nut 5 . Tighten the nut 5 of this connector so that the elastic sleeve 2 is pushed by the inverted cone nut 1, and the diameter of the elastic sleeve 2 increases to produce an anchoring effect...

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Abstract

The invention discloses a connecting piece for a steel-concrete composite structure and a construction method. The connecting piece comprises an inverted-cone nut, a screw, an elastic sleeve and a nut, the minimum end of the inverted-cone nut is connected with one end of the screw, the other end of the screw is connected with the nut, the elastic sleeve is connected to a rod body of the screw in a sleeving mode, and the elastic sleeve is positioned between the inverted cone nut and the nut; the elastic sleeve comprises an elastic steel plate, and the elastic steel plate surrounds a rod body of the screw and is wound by at least three circles to form the sleeve. According to the connecting piece, the nut is screwed down, so that the elastic sleeve is squeezed and pushed by the inverted-cone nut, the diameter of the elastic sleeve is increased, the anchoring effect is generated, the inverted-cone nut provides the anchoring effect, the elastic sleeve increases the vertical tension of the screw and bears certain tension, the pulling resistance of the connecting piece is improved, and the shear strength and the shear rigidity of the connecting piece are improved through the screw; the connecting piece has anti-pulling and anti-shearing performance.

Description

technical field [0001] The invention relates to the technical field of composite connections between components in buildings, in particular to a connector and a construction method for a steel-concrete composite structure. Background technique [0002] Steel-concrete composite beams are formed by connecting a concrete slab to its supporting structural steel beams using mechanical shear connectors. In steel-concrete composite beams, mechanical shear connectors are used to transmit shear force at the interface between the supporting steel beam and the slab, so as to ensure the overall force of the composite beam, so that the deformation of the concrete slab and steel beam is consistent, and the composite structure is achieved. the goal of. [0003] At present, the most commonly used shear connectors for steel-concrete composite beams are welded stud shear connectors with heads. The shear connectors with weld studs can play the role of vertical pull-out resistance and longitud...

Claims

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Application Information

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IPC IPC(8): E01D19/00E01D21/00
CPCE01D19/00E01D21/00
Inventor 贾布裕茅思奕陈扬文余晓琳吴毓谭仲德罗宇蕃陈宇轩余春益郑敖腾何昊聪
Owner SOUTH CHINA UNIV OF TECH
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