Analysis of the Influences of Matric Suction of Unsaturated Soil on the Slope Stability

Abstract:

There is suction in unsaturated soil. This is the most obvious difference between unsaturated soil and saturated soil. It is very difficult to measure it, so research has always been done without account of the influences of matric suction of unsaturated soil. In this paper, based on the test result of engineering characteristics of unsaturated soil from Yellow River Embankments, the stability of slope of Yellow River Embankments is analyzed using ultimate equilibrium method and the influencing rule of matric suction on slope is advanced.

• Periodical: Applied Mechanics and Materials (Volumes 170-173)
• Pages: 3186-3189
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.170-173.3186
• Online since: May 2012
• Authors: Li Wang, Cui Ran Liu
• Keywords: Matric Suction, Shear Resistance, Slope Stability, Ultimate Equilibrium Method, Unsaturated Soil

References

[1] Li Zhaoping, Zhang Mi: Effects of Rain Infiltration on Transient Safety of Unsaturated Soil Slope.China Civil Engineering Journal,2001(5), p.57.

[2] Wu Zhigang,Dang Jinqian,Gao Jianyong: Testing and Research on Strength Property of Non Saturated Loess Structure. Subgrade Engineering,2007(5), pp.77-78.

[3] Fredlund D G,Rahardjo H: Soil Mechanics for Unsaturated Soils.New York:Wiley& his sons,1993. pp.234-286.

[4] Huang Runqiu,Qi Guoqing: The Effect of Unsaturated Soil Suction on Slope Stability. Journal of Engineering Geology,2002(10), p.343.

[5] LiuCuiRan: Test research of engineering properties of unsaturated soil from the Yellow River embankment and application, [degree thesis], North China University of Water Resources and Electric Power, 2005.5