| 有限元强度折减法在三峡库区某边坡开挖稳定性分析中的应用 |
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| 引用本文： | 王从锋,张培文. 有限元强度折减法在三峡库区某边坡开挖稳定性分析中的应用[J]. 三峡大学学报(自然科学版), 2011, 33(4): 22-25 |
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| 作者姓名： | 王从锋 张培文 |
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| 作者单位： | 1. 三峡大学水利与环境学院,湖北宜昌,443002
2. 中冶集团建筑研究总院,北京,100088 |
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| 摘 要： | 将强度折减的方法用于开挖过程中边坡稳定的分析采用黄金分割点的方法,给出了开挖过程中边坡稳定安全系数的确定方法;同时考虑剪胀角在开挖过程中对边坡稳定的影响,给出了安全系数随剪胀角的变化过程,为边坡在开挖过程中的加固措施提供可靠的参考价值.
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| 关 键 词： | 强度折减 剪胀角 安全系数 黄金分割法 |
Application of Strength Reduction FEM to Analyzing Slope Stability in Excavation Process at Three Gorges Reservoir Area |
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| Wang Congfeng,Zhang Peiwen. Application of Strength Reduction FEM to Analyzing Slope Stability in Excavation Process at Three Gorges Reservoir Area[J]. Journal of China Three Gorges University(Natural Sciences), 2011, 33(4): 22-25 |
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| Authors: | Wang Congfeng Zhang Peiwen |
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| Affiliation: | Wang Congfeng1 Zhang Peiwen2(1.College of Hydraulic & Environmental Engineering,China Three Gorges Univ.,Yichang 443002,China2.Ceneral Research Institute of Building and Construcion,MCC,Beijing 100088,China) |
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| Abstract: | The method of strength reduction is used to analyze the slope stability in excavation process.A method for determining the safety factor of slope stability in the excavation process is proposed by using the golden section method;and the dilation angle on the slope stability is considered.The safety factor of the slope stability changing with the dilation angle is given.It provides a good reference value in slope excavation process with strengthening measures. |
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| Keywords: | strength reduction dilation angle safety factor golden section method |
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