Stability analysis of Zhaojiapo High Cut Slope based on
improved first-order quadric moment method |
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| Authors: | WANG Hong-xing WANG Guan TANG Hui-ming |
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| Institution: | 1.Engineering Faculty, China University of Geosciences, Wuhan 430074, China;
2. Faculty of Computer, China University of Geosciences, Wuhan 430074, China |
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| Abstract: | An improved first-order quadric moment method is used to analyze the stability of slope; and a new calculation method suitable to programming for computer is used to solve reliability index. And then the methods are used to analyze the reliability of stability of Zhaojiapo High Cut Slope in Three Gorges area. The analytical results show that the reliability index and failure probability in the first potential sliding plane can satisfy permissible risk level, that shows, it is stable; the reliability index and failure probability in the second potential sliding plane can not satisfy permissible risk level, thus it should be strengthened; and the stability factor has a good consistence with the results of reliability analysis. |
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| Keywords: | improved first-order quadric moment method high cut slope stability reliability reliability index failure probability |
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