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Shear connector

A technology of shear connectors and corrugated steel webs, which is applied to building components, bridge parts, and long-strip structural components for load-bearing, etc., can solve the problems of durability and insufficient maintenance and repair, and achieve improved shear resistance , Improve water resistance, increase friction effect

Pending Publication Date: 2019-09-17
中铁四局集团有限公司设计研究院
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Compared with the flange connection method, the embedded connection method has disadvantages in terms of durability and maintenance repair

Method used

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Embodiment Construction

[0030] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention. Obviously, the described embodiments are part of the present invention Examples, not all examples. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0031] Such as Figure 1 ~ Figure 2 As shown, the structural relationship is as follows: the corrugated steel web 2 is an upright plate-like structure, and its top view section is corrugated. When the corrugated steel web 2 is used for the connection of the concrete bottom plate, each web through hole 3 should be set at the top of it when it is used for the connection of the con...

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Abstract

The invention discloses a shear connector, and relates to the technical field of steel-concrete structures. A corrugated steel web is of an upright plate-shaped structure, the overlooking cross section of the corrugated steel web is in a corrugated shape, all web through holes are formed in the top or the bottom of the corrugated steel web in an equal altitude mode, all steel pipes penetrate through all the through holes correspondingly, and all the steel pipes are mutually parallel; and two constraint steel bars which are of long-tube-shaped structures are located on the two sides of the corrugated steel web correspondingly, and the constraint steel bars sequentially penetrate through all the steel pipes. According to the shear connector, the connection is carried out through the modes that the steel pipes penetrate through the corrugated steel web and the constraint steel bars penetrate through the steel pipes, welding fatigue does not need to be considered, and good fatigue durability is achieved; stress sensors are arranged at arris line positions of the corrugated steel web, so that the stress can be monitored in the process of using after a bridge is formed conveniently; the steel pipes and the constraint steel bars are threaded steel pipes, force of friction is increased, and the horizontal shear and constraint effects are improved; and when connection with a concrete bottom plate is carried out, a flange plate welded to the corrugated steel web can seal and cover the concrete bottom plate, a waterproof function is achieved, and the waterproofness of the overall structure is improved.

Description

technical field [0001] The invention relates to the technical field of steel-concrete structures, in particular to a shear-resistant connector for a concrete bottom slab or a concrete top slab. Background technique [0002] The steel-concrete composite structure is welded or cold-pressed with section steel or steel plate to form a steel section, and then connected by outsourcing concrete or filling concrete or through connectors, so that the section steel and concrete form an overall joint stress structure. The steel-concrete composite structure saves steel, has high material utilization rate, low engineering cost, good seismic performance, and convenient construction. It has developed rapidly and been widely used in engineering construction. [0003] The connection between the corrugated steel web and the concrete roof and floor is a common connection in the steel-concrete composite structure. At present, the connection between the corrugated steel web and the concrete roof...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E01D2/00E01D19/00E04B1/30E04C3/293
CPCE01D2/00E01D19/00E04B1/30E04C3/293E01D2101/285
Inventor 崔斌周玉生王松王佐才王书航
Owner 中铁四局集团有限公司设计研究院
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