| 茨哈峡水电站右岸泄洪雾化影响区岩质高边坡稳定分析 |
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| 引用本文： | 王乐华,李建林,李映霞,李剑武.茨哈峡水电站右岸泄洪雾化影响区岩质高边坡稳定分析[J].岩土工程学报,2010(Z2). |
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| 作者姓名： | 王乐华 李建林 李映霞 李剑武 |
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| 作者单位： | 三峡大学三峡库区地质灾害教育部重点实验室; |
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| 基金项目： | 国家自然科学基金项目(50909052); 湖北省教育厅科学研究计划项目(2008CDB366) |
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| 摘 要： | 根据茨哈峡水电站右岸泄洪雾化影响区岩质高边坡发育的地质环境及其变形破坏特征,分析了高边坡潜在的4种可能变形破坏模式。通过分段建模,改变材料参数的形式而维持原几何模型不变的方法来模拟四种破坏模式。计算初始工况、加固处理工况、加固处理后泄水雾化工况等情况下的应力场和塑性区,并结合有限元强度折减法对高边坡的稳定性进行了分析,得出破坏模式四最为危险。最后,通过对计算结果的分析,给出了相关的结论及建议。
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| 关 键 词： | 岩质高边坡 泄洪雾化 破坏模式 强度折减法 稳定分析 |
Stability analysis of high rock slope in flood-affected and atomization zone at right bank of Cihaxia Hydropower Station |
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| WANG Le-hua,LI Jian-lin,LI Ying-xia,LI Jian-wu.Stability analysis of high rock slope in flood-affected and atomization zone at right bank of Cihaxia Hydropower Station[J].Chinese Journal of Geotechnical Engineering,2010(Z2). |
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| Authors: | WANG Le-hua LI Jian-lin LI Ying-xia LI Jian-wu |
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| Affiliation: | WANG Le-hua,LI Jian-lin,LI Ying-xia,LI Jian-wu (Key Laboratory of Geological Hazards on Three Gorges Reservoir Area,Ministry of Education,China Three Gorges University,Yichang 443002,China) |
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| Abstract: | Four potential deformation and failure modes of the high slope are analyzed according to the geological environment,deformation and failure characteristics of high rock slope in flood-affected and atomization zone at the right bank of Cihaxia Hydropower Station.Four kinds of failure modes are simulated through segment modeling and changing the parameters of material in the same geometric model.Then,analysis of the stress field and plastic zone is carried out at three different stages,which are the initial c... |
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| Keywords: | high rock slope sluicing atomization failure mode strength reduction stability analysis |
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