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Channel girder composite truss anti-falling structure

A technology of combining trusses and channel beams, which can be used in bridges, protective equipment, buildings, etc., and can solve problems such as lack of rockfall protection types

Pending Publication Date: 2019-01-15
CHINA RAILWAY FIRST SURVEY & DESIGN INST GRP
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AI Technical Summary

Problems solved by technology

[0003] High-speed railways in mountainous areas are seriously affected by falling rocks, and there are steep V-shaped ditch areas in mountainous areas. For the project type of high-speed railways in mountainous areas, "two tunnels and one bridge", with a bridge length of about 100m, there is currently no suitable rockfall protection type

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Embodiment Construction

[0027] The present invention will be described in detail below in combination with specific embodiments.

[0028] The invention relates to a rockfall prevention structure of a channel beam composite truss, which comprises a channel beam 1, a steel truss beam 3, a lateral support 4 and a steel grid 2. Vertical and longitudinal steel truss beams 3 are arranged above the ribs on both sides of the channel beam 1, and protective nets or protective vertical plates are hung on the outer sides of the steel truss beams 3. A horizontal support 4 is set between the tops of the steel truss beams 3 on both sides, a steel grid 2 is laid on the top of the horizontal support 4, and a buffer layer such as an aging-resistant rubber layer is laid on the steel grid 2 . The channel beam 1, the steel truss beam 3, the lateral support 4 and the steel grid 2 form a protective space whose cross section is in the shape of a rectangular frame. An arched flexible shed hole 6 is arranged above the transv...

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Abstract

The invention relates to a channel girder composite truss anti-falling structure, comprising a channel girder, a steel truss beam, a transverse support and a steel grille. Vertical longitudinal steeltruss beams are arranged above the ribs on both sides of the groove beam, transverse supports are arranged between the top of the steel truss beams on both sides, and steel grille, groove beam, steeltruss beams, transverse supports and steel grille are arranged above the transverse supports to form a protection space with a rectangular frame shape in cross section. The structure can effectively prevent the falling rocks in the steep canyon area from intruding into the railway gauge, the construction is simple and easy, and provides effective guarantee for the operation safety.

Description

technical field [0001] The invention belongs to the technical field of bridge structure construction, and in particular relates to an anti-rockfall structure of a channel beam composite truss. Background technique [0002] Dangerous rockfall disaster is one of the geological disasters. It is a common type of geological disaster in canyon areas and steep mountainous areas. It poses a serious threat to the structures and human activities within the hazard range. [0003] High-speed railways in mountainous areas are seriously affected by falling rocks, and there are steep V-shaped ditch areas in mountainous areas. For the project type of high-speed railways in mountainous areas, "two tunnels and one bridge", with a bridge length of about 100m, there is currently no particularly suitable type of rockfall protection. Rockfall protection of high-speed rail in mountainous areas has become a bottleneck restricting the development of high-speed rail in my country. Contents of the i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E01D1/00E01F7/04
CPCE01D1/00E01F7/045
Inventor 杨少军刘宗峰宁未华赵会东张景利聂晋涛陈应陶张小坤高明昌刘琛魏亮道王小民刘骞儒
Owner CHINA RAILWAY FIRST SURVEY & DESIGN INST GRP
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