›› 2008, Vol. 29 ›› Issue (5): 1159-1163.

• Fundamental Theroy and Experimental Research • Previous Articles     Next Articles

Searching critical slip surface of slopes based on equivalent plastic strain

SUN Guan-hua, ZHENG Hong, LI Chun-guang   

  1. State Key Laboratory of Geomechanics and Geotechnical Engineering, Institute of Rock and Soil Mechanics, Chinese Academy of Sciences, Wuhan 430071, China
  • Received:2007-10-15 Online:2008-05-10 Published:2013-07-24

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Abstract: Once a soil slope is led to the limit equilibrium state by means of the finite element – strength reduction technique, usually, the critical slip surface goes through the points at which the equivalent plastic strain takes the maximum. First, some vertical lines are arranged along the horizontal direction. Then, along each of the vertical lines the point with the maximum equivalent plastic strain is found out. All such points compose a wave and make up the functional data. Finally, the functional data are smoothed by the least square method and the position of the critical slip surface is determined. The proposed procedure is confirmed through the comparison with other mature methods.

Key words: slope stability, critical slip surface, functional data analysis, least square method

CLC Number: 

  • TU 43
  • Please send e-mail to pingzhou3@126.com if you would like to read full paper in English for free. Parts of our published papers have English translations.
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