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TBM施工隧道超欠挖对围岩及支护结构影响分析
引用本文:周佳媚,高波,李志业.TBM施工隧道超欠挖对围岩及支护结构影响分析[J].地下空间与工程学报,2003,23(2):124-127.
作者姓名:周佳媚  高波  李志业
作者单位:西南交通大学地下工程系,四川,成都,610031
摘    要:结合西安 -南京线桃花铺 1 #隧道采用隧道掘进机 (TBM)施工实践 ,运用有限元法 ,针对TBM施工隧道中常见的轴线偏移问题 ,定量分析了TBM施工隧道超欠挖对隧道围岩及支护结构的影响 ,得出的结论可供同类工程参考。

关 键 词:隧道  TBM  围岩稳定  衬砌结构
文章编号:1001-831X(2003)02-0124-04
修稿时间:2002年12月13

Analysis on Influence of Excess Under-excavation of Tunnel Constructed by TBM on the Surrounding Rock and Supporting Structure
ZHOU Jia,mei.Analysis on Influence of Excess Under-excavation of Tunnel Constructed by TBM on the Surrounding Rock and Supporting Structure[J].Chinese Journal of Underground Space and Engineering,2003,23(2):124-127.
Authors:ZHOU Jia  mei
Affiliation:ZHOU Jia mei
Abstract:In this paper, based on the experience of construction of Taohuapu Tunnel No.1 by TBM at Xi'an Nanjing Railway, the influence of excess under excavation of tunnel constructed by TBM on the surrounding rock and supporting structure was analyzed quantitatively by FEM, considering the incline of axis during tunnel construction by TBM. The conclusion obtained can serve as reference for similar projects.
Keywords:tunnel  TBM  stability of surrounding rock  lining structure
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