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Combined anti-shear connector unit for dual steel plate-concrete composite structure

A technology for shear-resistant connectors and composite structures, which is applied in building construction and construction, etc., can solve problems such as complex connection processes, and achieve the effect of flexible installation and small restrictions.

Active Publication Date: 2017-12-08
HARBIN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to solve the problem that in the existing double steel plate-concrete composite structure, the friction welding method of connecting the steel plates on both sides through the shear reinforcement needs to use large welding equipment, and the problem of complicated connection process, and provide a double steel plate-concrete composite structure Combined shear connectors

Method used

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  • Combined anti-shear connector unit for dual steel plate-concrete composite structure
  • Combined anti-shear connector unit for dual steel plate-concrete composite structure
  • Combined anti-shear connector unit for dual steel plate-concrete composite structure

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specific Embodiment approach 1

[0015] Specific embodiment 1: The double steel plate-concrete composite structure combined shear connector in this embodiment includes two steel plates 1, a plurality of shear connectors 2 and a plurality of pullout connectors 3, and the shear connector 2 is composed of a connecting rod 2 -1 and the end cap 2-2 form an integral structure, the end cap 2-2 is located on one end of the connecting rod 2-1, the other end of the connecting rod 2-1 is welded on the steel plate 1, along the end cap 2 The radial direction of -2 forms a circle of ridge-shaped protrusions 2-3;

[0016] Two steel plates 1 are arranged oppositely, and a plurality of shear connectors 2 are welded on the surface of each steel plate 1. The shear connectors 2 welded on the two steel plates 1 are arranged oppositely. An anti-pull connecting piece 3 is arranged between the pieces 2, and the anti-pull connecting piece 3 is composed of an intermediate connecting rod 3-1 and two claw parts 3-2, and the two claw par...

specific Embodiment approach 2

[0019] Embodiment 2: This embodiment differs from Embodiment 1 in that the anti-pull connector 3 has an integrated structure formed by an intermediate connecting rod 3-1 and two claw portions 3-2.

specific Embodiment approach 3

[0020] Embodiment 3: This embodiment differs from Embodiment 1 or Embodiment 2 in that the claw portion 3-2 is provided with 6 to 12 claw fingers 3-3 along the circumferential rod surface of the intermediate connecting rod 3-1.

[0021] In this embodiment, a plurality of fingers are evenly distributed in the circumferential direction.

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Abstract

A combined anti-shear connector unit for a dual steel plate-concrete composite structure belongs to the field of structural engineering and is intended to solve the problem that a friction welding method of connecting steel plates on two sides through anti-shear rebars in an existing dual steel plate-concrete composite structure requires a large-sized welding apparatus and has a complex connection process. Two steel plates in the combined anti-shear connector unit are arranged in opposing manner, a plurality of anti-shear connectors are welded to the surface of each steel plate, an anti-pull connector is arranged between every two anti-shear connectors arranged in opposing manner, each anti-pull connector is composed of a middle connection rod and two jaw parts, end caps of the anti-shear connectors are embedded in cavities of the jaw parts, outer walls of free ends of fingers of the jaw parts are sleeved with nuts in threaded manner, and concrete is poured between the two steel plates. The anti-shear rebar connection mode is changed from friction welding to simple mechanical connection that has fewer limits and better mounting flexibility than the friction welding mode.

Description

technical field [0001] The invention belongs to the field of structural engineering, and in particular relates to a double steel plate-concrete composite structure. Background technique [0002] Double steel plate-concrete composite structure is generally composed of steel plates on both sides, core concrete, studs and shear reinforcement. This type of structure first welds studs on the inside of the steel plate, then connects the steel plates on both sides through shear reinforcement, and finally pours concrete between the steel plates on both sides. Due to its unique airtightness, the double steel plate-concrete composite structure can save the process of setting up and removing the formwork, thus greatly saving the construction period and reducing the construction cost. Therefore, it is used in tunnel engineering, marine engineering, and oil storage tanks There are more and more applications in fields such as engineering and nuclear power engineering. [0003] In the do...

Claims

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Application Information

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IPC IPC(8): E04B1/38
CPCE04B1/38
Inventor 翟长海路冰温卫平李爽
Owner HARBIN INST OF TECH
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