Numerical simulation research on dynamic excavation process
of exit construction of Ranjiaba tunnel

Journal of Chongqing Jiaotong University(Natural Science) ›› 2006, Vol. 25 ›› Issue (6): 35-37.

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Numerical simulation research on dynamic excavation process of exit construction of Ranjiaba tunnel

JIANG Ming-gui，SUN Liang，XU Lin-sheng

schcol of Civil Engineering＆ Architecture，Chongqing Jiaotong University，Chongqing 400074，China

Received:2005-10-10 Revised:2005-12-08 Online:2006-12-15 Published:2015-05-18

冉家坝隧道出口动态施工过程的数值模拟研究

蒋明贵，孙亮，徐林生

重庆交通大学土木建筑学院，重庆 400074

作者简介:蒋明贵(1964—)，男，重庆市人，高级工程师，硕士生，主要从事土建、航道工程的建设与管理工作

Abstract

Abstract: According to the step excavation method characteristics of left line exit in Ranjiaba tunnel，the dynamic emulation simulataflon of NATM excavation construction process has been conducted successfully with FEM．

Key words: tunnel, NATM, step excavation method, numerical simulation analysis

摘要： 根据冉家坝隧道左线出口加强段台阶分部法开挖施工的特点，采用有限元方法对其动态开挖过程进行数值模拟分析研究，以配合和指导该隧道新奥法施工实践．

关键词: 隧道, 新奥法, 台阶分部开挖法, 数值模拟分析

CLC Number:

U5459.2

JIANG Ming-gui，SUN Liang，XU Lin-sheng. Numerical simulation research on dynamic excavation process of exit construction of Ranjiaba tunnel[J]. Journal of Chongqing Jiaotong University(Natural Science), 2006, 25(6): 35-37.

蒋明贵，孙亮，徐林生. 冉家坝隧道出口动态施工过程的数值模拟研究[J]. 重庆交通大学学报（自然科学版）, 2006, 25(6): 35-37.

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Numerical simulation research on dynamic excavation process of exit construction of Ranjiaba tunnel

冉家坝隧道出口动态施工过程的数值模拟研究

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