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| 高地应力作用下乌鞘岭深埋长隧道软弱围岩流变规律研究 | |
| 引用本文： | 陶波,伍法权,郭启良,郭改梅.高地应力作用下乌鞘岭深埋长隧道软弱围岩流变规律研究[J].地球与环境,2005,33(Z1):304-308. |
| 作者姓名： | 陶波 伍法权 郭启良 郭改梅 |
| 作者单位： | 1. 石油大学(北京)资源与信息学院,北京,102249;中国科学院地质与地球物理研究所,北京,100029 2. 中国科学院地质与地球物理研究所,北京,100029 3. 中国地震局地壳应力研究所,北京,100085 |
| 摘 要： | 在高地应力环境下的软弱围岩中修建深埋长隧道,软弱围岩流变一是个突出的工程地质问题。位于兰新铁路上的鸟鞘岭隧道工程在穿越宽迭785m的活动断裂带F7时,软弱围岩发生了显著流变,围岩最大收敛变形超过1m,对支护结构造成了严重破坏。本文在对鸟鞘岭隧道进行长期围岩收敛变形的基础之上,分析了乌鞘岭左右两主洞的收敛变形规律。此外,作者提出了对软岩围岩流变进行工程治理的原则。 |
| 关 键 词： | 高地应力 软弱围岩 深埋长隧道 流变规律 治理原则 |
| 文章编号： | 1672-9250(2005)增-0304-05 |
| 修稿时间： | 2005年5月16日 |
RESEARCH ON RHEOLOGY RULE OF DEEP-BURIED LONG TUNNEL OF WUQIAOLING UNDER HIGH CRUST STRESS |
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| TAO Bo,WU Fa-quan,GUO Qi-liang,GUO Gai-mei.RESEARCH ON RHEOLOGY RULE OF DEEP-BURIED LONG TUNNEL OF WUQIAOLING UNDER HIGH CRUST STRESS[J].Earth and Environment,2005,33(Z1):304-308. | |
| Authors: | TAO Bo WU Fa-quan GUO Qi-liang GUO Gai-mei |
| Abstract: | Once deep-buried long tunnel is constructed in soft rock under high crustal stress, rheology of soft rock is an outstanding engineering geology problem. When Wuqiaoling tunnel, located in Lanzhou-Xinjiang railway line, crosses active fracture zone F7 with width of 785m, significant rheology occurs in weak wall rock. Maximum displacement of wall rock exceeds 1m. Rheology results in severe damage to supporting structure of tunnel. Based on long-term monitoring convergence deformation of Wuqiaoling tunnel, this paper analyzes convergence deformation regular of two parallel main tunnels. Furthermore, author presents principles to dispose soft wall rock rheology. |
| Keywords: | high crustal stress soft wall rock deep-buried long tunnel rheology rule cure principle |
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