Analyses and Mitigations of a Tunnel Collapse in Loess

›› 2012, Vol. 26 ›› Issue (6): 30-33.

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Analyses and Mitigations of a Tunnel Collapse in Loess

HUANG Yunzhang, LIU Chunlong, ZHANG Qun, ZHENG Yuhao

(School of Civil Engineering, Guilin University of Science and Engineering, Guilin Guangxi 541004)

Received:2012-03-27 Online:2012-12-20 Published:2012-12-25

Abstract

Abstract: This paper presents a case study of mitigating a collapsed tunnel. At the collapsed area, the open excavation and unloading were first performed followed immediately by the installation of the tunnel liner. When the reconstructed tunnel was past the distressed area, the original tunneling method could be resumed. The paper also analyzes the possible factors that could contribute the collapse. In addition to the adverse subsurface conditions, the safety alert level among the construction personnel may also be the problem.

Key words: Tunnel construction, Tunnel Collapse, Construction Methods, Contributing Factors

HUANG Yunzhang, LIU Chunlong, ZHANG Qun, ZHENG Yuhao. Analyses and Mitigations of a Tunnel Collapse in Loess[J]. , 2012, 26(6): 30-33.

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Analyses and Mitigations of a Tunnel Collapse in Loess

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