Comparison and Contrast between CRD Excavation 
Method and 3bench 7step Excavation Method and Their Optimization

CUI Xiao-Feng; SUN Shao-Feng; WANG An-Hong; HOU Min

doi:B

Tunnel Construction >

2010 , Vol. 30 >Issue 2: 131 - 133,178

DOI: https://doi.org/B

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Comparison and Contrast between CRD Excavation
Method and 3bench 7step Excavation Method and Their Optimization

CUI Xiao-Feng ,
SUN Shao-Feng ,
WANG An-Hong ,
HOU Min

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1. CCCC Second Highway Engineering Co., Ltd., Xi'an 710065, China；
2. LanzhouChongqing Railway Co., Ltd., Lanzhou 730050, China

Received date: 2010-01-13

Revised date: 2010-03-25

Online published: 2010-05-25

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Abstract

CRD excavation method and 3bench 7step excavation method are compared, analyzed and evaluated in the paper. Furthermore, a new excavation method, i.e., bench method with core soil and temporary invert is proposed so as to enrich the tunnel excavation method.

Key words： CRD excavation method; 3 bench 7 step excavation method; bench method with core soil and temporary invert

Cite this article

CUI Xiao-Feng , SUN Shao-Feng , WANG An-Hong , HOU Min . Comparison and Contrast between CRD Excavation
Method and 3bench 7step Excavation Method and Their Optimization[J]. Tunnel Construction, 2010 , 30(2) : 131 -133,178 . DOI: B

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