| 引洮工程15~#饱和黄土隧洞主要病害及防治措施 |
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| 引用本文： | 郑云峰,谌文武,刘小伟.引洮工程15~#饱和黄土隧洞主要病害及防治措施[J].西北地震学报,2011,33(Z1). |
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| 作者姓名： | 郑云峰 谌文武 刘小伟 |
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| 作者单位： | 西部灾害与环境力学教育部重点实验室,甘肃兰州730000;兰州大学土木工程与力学学院,甘肃兰州730000 |
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| 摘 要： | 以甘肃省引洮工程总干渠15#引水隧洞施工实践为例,分析了隧洞所在标段饱和黄土的主要工程地质条件,着重研究了在隧洞施工过程中遇到的围岩塌方、拱架变形、涌水等不良地质现象并提出了预防和处理措施,并且通过对桩号为105+166安装的围岩变形观测试验数据分析得到了饱和黄土隧洞变形的一般规律,为施工中何时进行二次支护提供科学的依据。
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| 关 键 词： | 引洮工程 引水隧道 饱和黄土 塌方 收敛变形 |
The Main Disease and Prevention Measures in 15~# Saturated Loess Tunnel of Yintao Water Supply Project |
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| ZHENG Yunfeng,CHEN Wenwu,LIU Xiaowei.The Main Disease and Prevention Measures in 15~# Saturated Loess Tunnel of Yintao Water Supply Project[J].Northwestern Seismological Journal,2011,33(Z1). |
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| Authors: | ZHENG Yunfeng CHEN Wenwu LIU Xiaowei |
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| Institution: | ZHENG Yunfeng 1,2,CHEN Wenwu 1,LIU Xiaowei 1,2(1.Key Laboratory of Western Chinas Environmental Systems,Ministry of Education,Lanzhou 730000,China,2.School of Civil Engineering and Mechanics,Lanzhou University,China) |
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| Abstract: | Taking the construction of 15 # water supply tunnel of the engineering of divert water from Tao river,in Gansu province as a example,main engineering geological conditions of saturated loess in the tunnel are analyzed.Some bad engineering geological phenomena such as collapse,arch deformation and water gushing met in the tunnel construction are studied,and the preventive and treatment measures are given.Meanwhile,the wall rock deformation observation data at 105+166 pile number are analyzed.The result gives... |
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| Keywords: | Engineering of divert water from Tao river Water supply tunnel Saturated loess Collapse Convergence deformation |
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