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CRD工法及三台阶七步开挖工法的对比和改进
引用本文:崔小鹏,孙韶峰,王广宏,侯敏.CRD工法及三台阶七步开挖工法的对比和改进[J].隧道建设,2010,30(2):131-133,178.
作者姓名:崔小鹏  孙韶峰  王广宏  侯敏
作者单位:1. 中交第二公路工程局有限公司,西安,710065
2. 兰渝铁路有限责任公司,兰州,730050
摘    要:就三台阶七步开挖工法及CRD工法的优缺进行分析和对比,并在2种工法的基础上做综合评价并改进,提出核心土加临时仰拱台阶法的新施工思路和方法,以求对隧道开挖工法进行补充和完善。

关 键 词:CRD法  三台阶七步开挖法  核心土加临时仰拱台阶法
收稿时间:2010-01-13
修稿时间:2010-03-25

Comparison and Contrast between CRD Excavation Method and 3-bench 7-step Excavation Method and Their Optimization
CUI Xiaopeng,SUN Shaofeng,WANG Guanghong,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.
Authors:CUI Xiaopeng  SUN Shaofeng  WANG Guanghong  HOU Min
Institution:1.CCCC Second Highway Engineering Co./a>;Ltd./a>;Xi'an 710065/a>;China/a>;2.Lanzhou-Chongqing Railway Co./a>;Lanzhou 730050/a>;China
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.
Keywords:CRD excavation method  3-bench 7-step excavation method  bench method with core soil and temporary invert  
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