Application of Flexible Shed-Tunnel Structure to Rock-Fall Hazard Prevention

LIU Chengqing; CHEN Linya; CHEN Chi; LI Junjun; ZHAO Shichun

doi:10.3969/j.issn.0258-2724.2015.01.016

Volume 28 Issue 1

Jan. 2015

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Journal of Southwest Jiaotong University > 2015 > 28(1): 110-117.

LIU Chengqing, CHEN Linya, CHEN Chi, LI Junjun, ZHAO Shichun. Application of Flexible Shed-Tunnel Structure to Rock-Fall Hazard Prevention[J]. Journal of Southwest Jiaotong University, 2015, 28(1): 110-117. doi: 10.3969/j.issn.0258-2724.2015.01.016

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LIU Chengqing, CHEN Linya, CHEN Chi, LI Junjun, ZHAO Shichun. Application of Flexible Shed-Tunnel Structure to Rock-Fall Hazard Prevention[J]. Journal of Southwest Jiaotong University, 2015, 28(1): 110-117. doi: 10.3969/j.issn.0258-2724.2015.01.016

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Application of Flexible Shed-Tunnel Structure to Rock-Fall Hazard Prevention

doi: 10.3969/j.issn.0258-2724.2015.01.016

Received Date: 05 Dec 2013
Publish Date: 25 Feb 2015

Abstract

Abstract

To deal with the lack of research and design basis of flexible shed-tunnel structures, different types of protective structures for rock-fall hazards prevention and control were compared, according to the feature of widely distributed and concentrated mass of rock-fall hazards during traffic constructions in China. The structural characteristics of rigid and flexible shed-tunnel structures and the state-of-art-of in design theory, dynamic performance, stability performance, etc. were analyzed. Then, a numerical simulation was carried out using the finite element software ANSYS. The results show that under the same width, length, and protection level conditions, the flexible shed-tunnel structure has remarkable superiority in stress, construction, environmental protection, economy etc.; and hence is suitable for the rock-fall protection at the entrance and exit of highways and tunnels, especially in the emergency projects.
- rock-fall hazards,
- shed-tunnel structure,
- numerical models,
- flexible protective structures,
- reviews

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References(73)

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Application of Flexible Shed-Tunnel Structure to Rock-Fall Hazard Prevention

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