IN-SITU MONITORING AND ANALYSIS OF DEFORAMTION OF THE SUPPORT SYSTEM IN MULTI-ARCH TUNNEL

Ma Yongfeng; Zhou Dingheng; Cao Liqiao; Fang Shitao

doi:10.13204/j.gyjz201011019

Volume 40 Issue 11

May 2015

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Article Navigation > INDUSTRIAL CONSTRUCTION > 2010 > 40(11): 75-80

Ma Yongfeng, Zhou Dingheng, Cao Liqiao, Fang Shitao. IN-SITU MONITORING AND ANALYSIS OF DEFORAMTION OF THE SUPPORT SYSTEM IN MULTI-ARCH TUNNEL[J]. INDUSTRIAL CONSTRUCTION, 2010, 40(11): 75-80. doi: 10.13204/j.gyjz201011019

Citation:

Ma Yongfeng, Zhou Dingheng, Cao Liqiao, Fang Shitao. IN-SITU MONITORING AND ANALYSIS OF DEFORAMTION OF THE SUPPORT SYSTEM IN MULTI-ARCH TUNNEL[J]. INDUSTRIAL CONSTRUCTION, 2010, 40(11): 75-80. doi: 10.13204/j.gyjz201011019

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IN-SITU MONITORING AND ANALYSIS OF DEFORAMTION OF THE SUPPORT SYSTEM IN MULTI-ARCH TUNNEL

doi: 10.13204/j.gyjz201011019

1.
1. East China Design Institute of CNPC,Qingdao 266071,China;
2.
2. Technical University of Munich,Munich 85748,Germany;
3.
3. China Railway Siyuan Survey and Design Group Co.Ltd,Wuhan 430063,China;
4.
4. China Railway Eryuan Engineering Group Co.Ltd,Chengdu 610031,China

Received Date: 2010-05-20
Publish Date: 2010-11-20

Abstract

Abstract

Different from normal tunnel,the deformation characteristics of the multi-arch tunnel are more complex because of complex construction processes and many construction conversions.Based on the multi-arch tunnel project,the monitoring of support system deformation was carried out.And the law of the deformation developing with time and deformation characteristic of different construction procedures was analyzed.The surrounding rock deformation could be better controlled by using the bench method.Under construction of tunnel,the excavation of the upper bench and the down bench of the right drift has a great effect on surrounding rock deformation.So they are the main stages to control the support structure deformation.The longitudinal incidence of the excavation of the upper bench in the left tunnel and the down bench of the right tunnel is about two times of the span of the tunnel.And the incidence of the down bench in the left tunnel and the upper bench of the right tunnel is about the span of the tunnel.
- tunnel engineering,
- multi-arch,
- support system,
- in-situ monitoring,
- deformation characteristic

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References(10)

References

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