| 反分析法与室内试验法确定岩质边坡结构面抗剪强度对比研究——以西柏坡纪念馆不稳定斜坡为例 |
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| 引用本文： | 李治广 ,董昕 ,马健.反分析法与室内试验法确定岩质边坡结构面抗剪强度对比研究——以西柏坡纪念馆不稳定斜坡为例[J].力学学报,2009,17(4):569-573. |
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| 作者姓名： | 李治广 董昕 马健 |
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| 作者单位： | (石家庄经济学院,石家庄,050031)
(北京城建勘测设计研究院有限责任公司,北京,100101） |
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| 摘 要： | 岩质边坡结构面抗剪强度是分析边坡稳定性的重要参数。反分析法是视滑坡将要滑动而尚未滑动的瞬间为极限平衡状态，求解滑动面抗剪强度的一种方法，相对于室内实验和原位测试具有成本低的特点，但其普适性较差，对反分析法的应用条件进行研究对该方法在边坡工程中的准确应用具有重要意义。本文用反分析和室内试验两种方法确定西柏坡纪念馆不稳定斜坡结构面抗剪强度，发现对于单滑动面岩质顺层滑坡，直接采用滑坡断面进行反分析获得的结构面抗剪强度与室内试验结果相近，可用于评价同一结构面边坡的稳定性。
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| 关 键 词： | 岩质边坡 结构面 抗剪强度 反分析法 |
CASE STUDY OF INSTABLE SLOPE AT XIBAIPO MEMORIAL FOR DISCONTINUITY SHEAR STRENGTH WITH BACK ANALYSIS AND LABORATORY TEST |
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| LI Zhiguang DONG Xin MA Jian.CASE STUDY OF INSTABLE SLOPE AT XIBAIPO MEMORIAL FOR DISCONTINUITY SHEAR STRENGTH WITH BACK ANALYSIS AND LABORATORY TEST[J].chinese journal of theoretical and applied mechanics,2009,17(4):569-573. |
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| Authors: | LI Zhiguang DONG Xin MA Jian |
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| Institution: | (Shijiazhuang University of Economics, Shijiazhuang|050031)
(Beijing Urban Construction Exploration &|Surveying Design Reseach Institute CO.LTD, Beijing|100101） |
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| Abstract: | Shear strength of discontinuities is an important parameter for landslide engineering. The back analysis is a low cost and effective method to determine shear strength of instability slope. This paper focuses on how to determine the shear strength of instability slope at Xibaipo Memorial Site using back analysis and laboratory test respectively. The instability slope has a single bedding slip. The results show that the shear strength of discontinuities of back analysis is similar to that of laboratory test. The back analysis can be used to evaluate the stability of bilateral slopes. |
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| Keywords: | Shear strength Slope instability Back analysis Case study |
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