Effect of Cross Passage Construction on the Structural Safety of Collapse Reinforcement Segment of Existing Tunnel

Kong Jian Shen; Shui Wan; Xiao Chun Zhang

doi:10.4028/www.scientific.net/AMR.779-780.538

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 779-780Effect of Cross Passage Construction on the...

Effect of Cross Passage Construction on the Structural Safety of Collapse Reinforcement Segment of Existing Tunnel

Abstract:

On the basis of the engineering background of cross passage construction in the Chen Yu Tunnel project, the collapse section above the intersection of the existing tunnel is selected to establish finite element model. Considering the effect of cross passage construction and the local weakening area of surrounding rock on the safety of existing tunnel structure, the strength of the shotcrete supporting structure of existing tunnel intersection is checked, and the security of the existing tunnel is evaluated. This research is of great practical significance and a certain reference value for the plan and design upon the construction of tunnel engineering.

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Periodical:

Advanced Materials Research (Volumes 779-780)

Pages:

538-543

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.779-780.538

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Online since:

September 2013

Authors:

Kong Jian Shen, Shui Wan, Xiao Chun Zhang

Keywords:

Cross Passage Construction, Numerical Simulation, Safety Evaluation, Tunnel Collapse

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