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Reasons for the Collapse of Si Fangshan Tunnel and the Treatment Measures in Qinchong Freeway GuangXi

Author: LiChao
Tutor: XieYongLi
School: Chang'an University
Course: Bridge and Tunnel Engineering
Keywords: Tunnel construction Collapse Predisposing factors Landslides Treatment Numerical Simulation
CLC: U458.3
Type: Master's thesis
Year: 2011
Downloads: 51
Quote: 1
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Abstract


Tunnel collapse is often encountered in tunnel construction accident . Ranging from causing economic loss , weight will be a threat to the lives and safety of the construction workers , it is necessary to conduct in-depth research in generating mode and tunnel collapse induced mechanism . This article relying the Qinzhou Chong highway the Quartet Mountain tunnel construction combined with practical , on-site research and measured on the basis of the finite element numerical simulation , for the reason of the karst area of ??the tunnel collapse , the type of landslides Treatment of specific programs expand Comparison and Selection and Evaluation of the Implementation system following research : 1 , system analysis of a the common tunnel collapse mode as well as a predisposing factor , sum up the tunnel collapse commonly Treatment Measures . Combined Quartet mountain tunnel construction site collapse actual , based scheme comparison proposed governance measures of the small pipe grouting , and the supporting effect late tracking observations . 3 , the establishment of a tunnel collapse finite element numerical model , use numerical simulation methods to explain the reasons of the Quartet Mountain tunnel collapse , and the ultimate strength of the initial support checking safety factor . 4 , after the collapse of governance by numerical calculation lining meet the design requirements , in order to verify the feasibility of the landslides and Treatment Measures .

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CLC: > Transportation > Road transport > Tunnel project > Tunnel safety and accident > Landslide rockfall accident
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