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隧道建设(中英文) ›› 2010, Vol. 30 ›› Issue (2): 120-124.DOI: A

• 研究与探索 • 上一篇    下一篇

兰渝铁路木寨岭隧道炭质板岩段应力控制试验研究

邹翀1, 王超朋2, 张文新1, 高攀1   

  1. 1. 中铁隧道集团科研所, 河南 洛阳471009|2. 河南理工大学| 河南 焦作454003
  • 收稿日期:2010-01-05 修回日期:2010-03-12 出版日期:2010-04-20 发布日期:2010-05-25
  • 作者简介:邹翀(1971—)|男|江西南昌人|1996年毕业于南昌航空大学|本科|高级工程师|从事工程技术及管理工作 。

Experimental Study on Stress Control in Carbonaceous Slate Section of
Muzhailing Tunnel on LanzhouChongqing Railway

JU Chong1, WANG Chao-Peng2, ZHANG Wen-Xin1, GAO Pan1   

  1. 1. Scientific Research Institute under China Railway Tunnel Group Co., Ltd., Luoyang 471009, Henan, China|
    2. Henan Polytechnic University|Jiaozuo 454003, Henan, China
  • Received:2010-01-05 Revised:2010-03-12 Online:2010-04-20 Published:2010-05-25

摘要:

结合在建的兰渝铁路木寨岭隧道炭质板岩段实际情况,寻找解决控制高地应力大变形的方法,通过在木寨岭隧道7#斜井进行超前大钻孔、超前导洞应力控制方法的现场试验,根据与原施工段监控量测结果进行对比,二者虽对变形的控制起到一定作用,但就其可行性而言,还需继续研究和完善。

关键词: 隧道, 炭质板岩, 大变形, 应力控制, 超前导洞, 大钻孔

Abstract:

Muzhailing tunnel on LanzhouChongqing railway passes through carbonaceous slate ground, where large deformation occurs. In order to establish the methods to control the large deformation, advance largediameter boreholes and pilot heading are installed in No. 7 inclined shaft of Muzhailing tunnel so as to perform stress control tests. Comparison is made between the monitoring data in the test section and those in the original section. The test indicates that advance largediameter boreholes and pilot heading are helpful to the control of the deformation, but further study is needed to improve the feasibility of the deformation control method.

Key words: tunnel, carbonaceous slate, large deformation, stress control, pilot heading, large diameter borehole

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