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Metal chain-steel fiber concrete beam component

A technology of steel fiber concrete and beam components, which is applied in the field of reinforced concrete, can solve problems such as insufficient resistance, achieve the effects of improving impact resistance, excellent deformation coordination ability, and avoiding structural collapse

Active Publication Date: 2017-12-01
BEIJING UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This solves the problem of insufficient resistance of ordinary reinforced concrete beam members subjected to dynamic loads, and is more suitable for explosion, impact and other working conditions

Method used

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  • Metal chain-steel fiber concrete beam component
  • Metal chain-steel fiber concrete beam component
  • Metal chain-steel fiber concrete beam component

Examples

Experimental program
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Effect test

Embodiment 1

[0034] The specific embodiment of the present invention will be described in detail below in conjunction with examples.

[0035] Such as figure 1 Shown, is a kind of metal chain-steel fiber concrete beam member of the present invention, and it mainly comprises stirrup chain (American standard NACM84 chain) 1, main reinforcement chain (American standard NACM90 chain) 2, end-bearing steel plate (Q345B steel plate) 3, Ring screw (M20 national standard ring screw) 4, stainless steel cable tie (304 stainless steel cable tie) 5, steel fiber concrete 6.

[0036] A 5-storey frame structure office building in a certain area has no basement. The main structure has 5 floors, and the storey height is 3.3m. The basic wind pressure w0=0.35kN / m2, and the ground roughness category is B category. The component beams in the corridor of the office building are all made of metal chain-steel plate steel fiber beams, and other components are poured with ordinary reinforced concrete. The size of ...

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Abstract

The invention discloses a metal chain-steel fiber concrete beam component. The component is a component beam composed of a metal chain-steel plate cage and steel fiber concrete, and belongs to the technical field of steel bar concrete. The metal chain-steel fiber concrete beam component has certain energy-dissipation crack resistance capacity under impacting, exploding and other power load functions, the steel fiber concrete in the component develops deformation coordination capability of the steel fiber concrete, the metal chain-steel plate cage tightly wraps the steel fiber concrete, the purpose of bearing power load is achieved, generating and developing of cracks are further prevented, the component of the form can be applied to various structural forms, and the component can be prefabricated in a machining factory and can also be poured on-site, so that the problem that under the fact that a building structure encounters a power load function, local or whole collapsing of the structure is caused by damages of the component beam is solved.

Description

technical field [0001] The invention relates to a beam member form which can not only realize the energy consumption and crack resistance ability of the building structure under the action of dynamic load, but also avoid the local collapse or overall collapse of the building structure due to the damage of the member beam, which belongs to the steel bar field of concrete technology. Background technique [0002] In recent years, with the development of social economy, the urban agglomeration has expanded and larger, and more and more high-rise buildings have been built. Sudden traffic accidents and accidental explosion terrorist attacks may cause the building structure to bear strong dynamic loads during its service life. When ordinary reinforced concrete members are subjected to strong dynamic loads, local and overall deformation or damage will occur. Such as projectile impact, explosion impact, or vehicle impact may cause concrete structures to undergo penetration, collap...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04C3/20E04C5/03E04C5/12
CPCE04C3/20E04C5/03
Inventor 姚云龙李亮吴俊吴文杰
Owner BEIJING UNIV OF TECH
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