| 重力坝深层抗滑稳定设计初探 |
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| 引用本文： | 李振华,胡涛平.重力坝深层抗滑稳定设计初探[J].湖北水力发电,2017(3). |
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| 作者姓名： | 李振华 胡涛平 |
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| 作者单位： | 长江勘测规划设计研究院,湖北 武汉,430010 |
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| 摘 要： | 针对某水库重力坝坝基地层倾角平缓(8°~15°),基岩为薄层状结构,坝基深层抗滑设计是工程关键技术,在利用抗剪断强度理论进行坝基抗滑稳定计算的基础上,通过分析比较常见的坝基基础处理措施,最终确定重力坝坝基采用坝趾处设置混凝土深齿墙措施,可同时提高坝基浅层及深层抗滑稳定安全系数。
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| 关 键 词： | 深层抗滑稳定 薄层状结构 刚体极限平衡 坝趾深齿墙 |
Analysis of the Stability against Sliding in Deep Foundation of a Gravity Dam |
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| LI Zhenhua,HU Taoping.Analysis of the Stability against Sliding in Deep Foundation of a Gravity Dam[J].Hubei Water Power,2017(3). |
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| Authors: | LI Zhenhua HU Taoping |
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| Abstract: | In the foundation of a gravity dam, the bedrock is of a thin-layer structure with small dip angles (8° ~ 15°).Thus, the analysis of stability against sliding in deep foundation is crucial for the project.The shear strength theory is adopted firstly to check the foundation stability.Then, common foundation treatment measures are analyzed and compared.Finally, deep concrete key wall is selected and arranged in the dam toe, which is able to improve both the shallow and deep foundation stabilities of the dam. |
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| Keywords: | stability against sliding in deep foundation thin layer structure rigid-body limit equilibrium method deep key wall in dam toe |
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