| 某导流隧洞洞脸边坡治理方案的地质论证 |
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| 引用本文： | 占艳平,王启国,杜胜华.某导流隧洞洞脸边坡治理方案的地质论证[J].水利与建筑工程学报,2006,4(3):33-36. |
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| 作者姓名： | 占艳平 王启国 杜胜华 |
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| 作者单位： | 长江水利委员会长江岩土工程总公司,武汉,430010;长江水利委员会长江岩土工程总公司,武汉,430010;长江水利委员会长江岩土工程总公司,武汉,430010 |
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| 摘 要： | 详细阐述了湖北省寺坪水电站导流隧洞进口洞脸边坡变形破坏的地质条件、特征及成因。从地质角度对预应力锚索加固与削坡减载两种治理方案进行比较后,认为对该边坡进行治理适宜采用削坡减载方案,而不宜采用预应力锚索加固方案;并从实践中验证了采用削坡减载方案进行治理是成功的。该边坡为志留系页岩组成的隧洞洞脸边坡,位于特殊的地质环境及特殊的工程场所,其治理方案的地质论证对其它边坡的治理工程具有借鉴作用。
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| 关 键 词： | 洞脸边坡 页岩 变形破坏 治理方案 比较 |
| 文章编号： | 1672-1144(2006)03-0033-04 |
| 修稿时间： | 2006年3月15日 |
Geologic Demonstration on Improvement Scheme for Tunnel-face Side Slope of A Diversion Tunnel |
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| ZHAN Yan-ping,WANG Qi-guo,DU Sheng-hua.Geologic Demonstration on Improvement Scheme for Tunnel-face Side Slope of A Diversion Tunnel[J].Journal of Water Resources Architectural Engineering,2006,4(3):33-36. |
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| Authors: | ZHAN Yan-ping WANG Qi-guo DU Sheng-hua |
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| Abstract: | The geologic conditions,characteristics and causes about the deformation failure of the tunnel-face side slope of the diversion tunnel in Siping Hydropower Station in Hubei Province are discussed particularly.After comparison of two schemes,it is considered that the reasonable improvement scheme for the side slope is the scheme of reducing load by scaling,not is the scheme of the prestressed anchoring.The side slope is made up of the shales in silurian period and located in the special geologic environment and engineering situation.The geologic demonstration on the improvement scheme for the side slope can provide references for the other regulation projects of the side slope. |
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| Keywords: | tunnel-face side slope shale deformation failure improvement scheme compare |
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