| 非饱和土边坡稳定性分析方法研究进展 |
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| 引用本文： | 李荣建,郑文,王莉平,邵生俊.非饱和土边坡稳定性分析方法研究进展[J].西北地震学报,2011,33(Z1). |
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| 作者姓名： | 李荣建 郑文 王莉平 邵生俊 |
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| 作者单位： | 西安理工大学岩土工程研究所,陕西西安,710048 |
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| 基金项目： | 国家自然科学基金(11072193;10872161); 中国博士后科学基金(20100481354) |
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| 摘 要： | 总结并分析了在非饱和土边坡稳定性评价方面的研究成果与新进展。首先总结了影响非饱和土边坡稳定性的各种因素,介绍了将基质吸力引入到各种非饱和土边坡稳定性分析方法中不同的实现思路,并讨论了这些方法的优点和不足;然后结合黄土和膨胀土两类非饱和土的特殊性质探讨了这两类土的边坡稳定性分析的研究现状和面临的问题,提出了将非饱和土力学普遍规律与黄土、膨胀土的特殊性相结合是有效解决和发展新的非饱和黄土、膨胀土边坡稳定性评价方法的主要思路和研究方向。
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| 关 键 词： | 边坡 稳定性评价 基质吸力 非饱和土 黄土 膨胀土 条分法 强度折减有限元法 |
Progress and Developing Trend on Stability Analyses of Unsaturated Soil Slope |
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| LI Rong-jian,ZHENG Wen,WANG Li-ping,SHAO Sheng-jun.Progress and Developing Trend on Stability Analyses of Unsaturated Soil Slope[J].Northwestern Seismological Journal,2011,33(Z1). |
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| Authors: | LI Rong-jian ZHENG Wen WANG Li-ping SHAO Sheng-jun |
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| Institution: | LI Rong-jian,ZHENG Wen,WANG Li-ping,SHAO Sheng-jun(Institute of Geotechnical Engineering,Xi'an University of Technology,Xi'an 710048,China) |
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| Abstract: | The research progress and new achievements about the stability assessment of unsaturated soil slope are reviewed and analyzed.Firstly,the influence factors on the stability of unsaturated soil slope are summarized,the different treatments for drawing the matric suction in the assessment methods are introduced,and the advantages and disadvantages in these methods are also discussed.Then,with the special features of unsaturated loess and unsaturated expansive soil,the situation and problems in the study on st... |
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| Keywords: | Slope Stability assessment Matric suction Unsaturated soil Loess Expansive soil Slice method Strength reduction finite element method |
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