Numerical Simulation Analysis and Engineering Applications on the Double-Side-Wall Heading Step Bench Excavation of Large-Cross Section and Shallow Tunnel

Wen Hua Li; Da Jun Zhao; Shi Sheng Zhou

doi:10.4028/www.scientific.net/AMR.594-597.1182

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 594-597Numerical Simulation Analysis and Engineering...

Numerical Simulation Analysis and Engineering Applications on the Double-Side-Wall Heading Step Bench Excavation of Large-Cross Section and Shallow Tunnel

Abstract:

With the pace accelerating of development of urban rail traffic in large and medium-sized cities, urban subway and railway lines need to construct shallow and large-cross section tunnels and especially large-cross section tunnels. Large-cross section tunnel constructions make big influence on the surrounding buildings, roads and environment. How to build underground tunnel fast and safe in the downtown has become an problem which needs to be solved urgently. This article is for the technology of city large-cross section and shallow buried-tunnel, relying on the phase 1 of rail transit no.2 in Changsha, which combined with construction characteristics of the excavation method, double-side-wall method and step method, numerical simulation analysis on influence of the large-cross section tunnel disturbance in the surrounding rock, and provides the necessary technical support.

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Periodical:

Advanced Materials Research (Volumes 594-597)

Pages:

1182-1187

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.594-597.1182

Citation:

Cite this paper

Online since:

November 2012

Authors:

Wen Hua Li, Da Jun Zhao, Shi Sheng Zhou

Keywords:

Bench, Large-Cross Section, Shallow, Step Excavation, Tunnel

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References

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