NDLI: Discussion on the implementing approach of unsaturated matric suction in the slice methods

Content Provider	IEEE Xplore Digital Library
Author	RongJian Li Wen Zheng Hao Duan CunLi Chen ZhiJun Wang
Copyright Year	2011
Description	Author affiliation: Company limited of Chang-qing Science and Technology, Group Company of Chang-qing, Xi'an, 710021, China (ZhiJun Wang) \|\| Institute of Geotechnical Engineering, Xi'an University of Technology, 710048, China (RongJian Li; Wen Zheng; Hao Duan; CunLi Chen)
Abstract	The study of slope stability is one of the traditional and eternal issues in Geotechnical Engineering. There are a lot of previous achievements on stability of unsaturated soil slope are reviewed in this paper. Firstly, the influence of matric suction impacted on the strength of unsaturated soil is summarized. Secondly, the different treatments of matric suction in some commonly used slice methods such as the Sweden slice method, the simplified Bishop's slice method and the Janbu's slice method are analyzed based on the Bishop's unsaturated strength theory and Fredlund's unsaturated strength theory respectively. Finally, the advantages and disadvantages of these methods in application on the stability analyses of unsaturated soil slope are also discussed. Though these developed and modified slice methods may consider the matric suction in sliding zone, it still can be concluded that these slice methods have to neglect the other matric suction outside of the slip surface, which lead to underestimating the influence of the matric suction in the stability analyses of unsaturated soil slope in fact.
Starting Page	3064
Ending Page	3067
File Size	269367
Page Count	4
File Format	PDF
ISBN	9781424494361
e-ISBN	9781424494392
DOI	10.1109/MACE.2011.5987636
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-07-15
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Earth Slice method Fluctuations Rain Stability Companies Soil Unsaturated soil strength Stability analysis Matric suction Stress Slope
Content Type	Text
Resource Type	Article

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