Study on Surrounding Rock Deformation Discipline of Extra-Large Section Super-Shallow-Buried Tunnel-Reference-Cited by-同舟云学术

Study on Surrounding Rock Deformation Discipline of Extra-Large Section Super-Shallow-Buried Tunnel

Published:2011-09 Issue: Volume:90-93 Page:2318-2322
ISSN:1662-7482
Container-title:Applied Mechanics and Materials
language:
Short-container-title:AMM

Author:

Huang Ming Li¹,Chen Ke Zhi¹,Tan Zhong Sheng²,Zhang Jian Qiang¹

Affiliation:

1. Beijing Jiaotong University

2. Beijing Jiao Tong University

Abstract

The type B section of Hongqihegou station is cross section and its excavation section area is about 730 m2. This section is located in rail transit line 3 at the center of Chongqing. For this reason, the heavy traffic, large amount buildings and pipelines surrounding, super-shallow-buried depth and small cross-cover ratio (only 0.4) become the determinant factor in tunnel construction. By using a new method—the up-down sidewall drift method combined with first-wall-and-then-arch method, the Hongqihegou station was successfully completed. Through the analysis of the monitoring measurement data, the discipline of surrounding rock deformation during construction is revealed.

Publisher

Trans Tech Publications, Ltd.

Link

https://www.scientific.net/AMM.90-93.2318.pdf

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