Mechanical property testing and numerical calculating on surrounding rock mass and support system of tunnel

LI Yuan-song; LI Xin-ping; DAI Yi-fei; PENG Yuan-ping

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Mechanical property testing and numerical calculating on surrounding rock mass and support system of tunnel

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- Mechanical property testing and numerical calculating on surrounding rock mass and support system of tunnel
- Vol. 28, Issue 7, (2007)
- 作者机构：
  
  1. 武汉理工大学土木与建筑学院,武汉,430070
  2. 武汉工程大学环境与城建学院,武汉,430073
  3. 中国葛洲坝集团公司,宜昌,443002
- 作者简介：
- 基金信息：
- DOI：
  CLC： TU452
- Online First：13 September 2013，
  
  Published：2007
- 稿件说明：
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LI Yuan-song, LI Xin-ping, DAI Yi-fei, et al. Mechanical property testing and numerical calculating on surrounding rock mass and support system of tunnel[J]. 2007, 28(7).
DOI：

LI Yuan-song, LI Xin-ping, DAI Yi-fei, et al. Mechanical property testing and numerical calculating on surrounding rock mass and support system of tunnel[J]. 2007, 28(7). DOI：

摘要

以工程实例为背景，对隧道洞口段施工过程中围岩的收敛变形、锚杆作用应力、一次衬砌、二次衬砌内的应力与变形以及围岩的压力进行观测，取得大量的试验数据，并结合数值计算结果进行分析，为隧道衬砌设计和施工的安全可靠性提供科学依据和技术指导，并为进一步的工程研究积累资料。

Abstract

Taking a tunnel engineering case as background

this paper makes multiple measurements during the construction process of tunnel’s portal section

including convergence deformations of surrounding rocks

stresses of bolts

stresses and deformations of primary and secondary liners

which give a great number of testing data. On this basis

numerical analysis is performed

the results provide reliable and scientific basis for both design and construction salty of the liners. Not only can all this work guide constructing technique of the tunnel under consideration but also accumulate valuable referential data for the projects of the same kind.

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