| 滑带土强度特性研究现状 |
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| 引用本文： | 刘小丽,邓建辉,李广涛.滑带土强度特性研究现状[J].岩土力学,2004,25(11):1849-1854. |
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| 作者姓名： | 刘小丽 邓建辉 李广涛 |
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| 作者单位： | 1.中国科学院武汉岩土力学研究所 岩土力学重点实验室，湖北 武汉 430071； 2.河北省第四建筑工程公司第六分公司，河北 保定 071051 |
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| 基金项目： | 国家自然科学基金(No.50279051)，973(No.2002CB412702)，中国科学院岩土力学重点实验室开放基金(No.Z000308)资助项目。 |
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| 摘 要： | 滑带土强度特性对滑坡稳定性研究和滑坡防治工程设计具有重要意义。通过回顾国内外一些代表性工作，总结了其主要研究内容、研究方法和成果。研究内容包括5种特征强度：峰值抗剪强度、残余抗剪强度、完全软化强度、滑坡启动强度、长期抗剪强度以及相应的微观结构特征；研究方法以现场与室内试验为主，理论分析和反演分析为辅；研究成果主要反映在各种特征强度及其相互关系、剪切引起的微观结构变化特征方面。重点介绍了残余强度研究成果，包括其影响因素和数值估算。最后指出了研究工作中应该加强的几个方面，如特殊滑带土的研究（如砾质滑带土）、新的测试技术和研究方法的发展以及反分析法的正确运用等。
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| 关 键 词： | 滑坡 滑带土 剪切强度 残余强度 微观结构 |
| 文章编号： | 1000-7598-(2004)11-1849-06 |
| 收稿时间： | 2003-04-20 |
| 修稿时间： | 2003年4月20日 |
Shear strength properties of slip soils of landslides:an overview |
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| LIU Xiao-li,DENG Jian-hui,Li Guang-tao.Shear strength properties of slip soils of landslides:an overview[J].Rock and Soil Mechanics,2004,25(11):1849-1854. |
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| Authors: | LIU Xiao-li DENG Jian-hui Li Guang-tao |
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| Institution: | 1. Key Laboratory of Rock and Soil Mechanics, Institute of Rock and Soil Mechanics, Chinese Academy of Sciences, Wuhan 430071, China; 2. The Sixth Branch of the Fourth Construction Engineering Corporation of Hebei Province, Baoding 071051, China |
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| Abstract: | Shear strength properties of slip soils are important for landslide research and control design. Based on the review of presently available literature, especially some typical investigations, the paper summarizes their major research advances, covering areas, methods and achievements. The five feature strengths, i.e. peak shear strength, residual strength, full softened strength, mobilized strength and long-term strength, and their related microstructure characteristics are the basic research elements; the field and laboratory tests are the basic research methods, while back analysis and theoretical analysis are secondary; achievements are reached mainly in the area of shear-induced microstructure characteristics, feature strengths and their relations. Residual strength research is discussed in detail, especially its influencing factors and estimations. Finally, the paper indicates some aspects to be strengthened, including special slip soils, e.g. slip soils with gravel, development of new testing and analysis method and the proper application of back analysis method, etc.. |
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| Keywords: | landslides slip soil shear strength residual strength microstructure |
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