›› 2005, Vol. 26 ›› Issue (12): 1931-1935.

• Fundamental Theroy and Experimental Research • Previous Articles     Next Articles

Evaluation of effect of intermediate principal stress on sand shear strength

LIU Jin-long1, LUAN Mao-tian1～3, YUAN Fan-fan1, WANG Ji-li1, XU Cheng-shun2, 3   

  1. 1. Institute of Rock and Soil Mechanics, Chinese Academy of Sciences, Wuhan 430071, China; 2. State Key Laboratory of Coastal and Offshore Engineering, Dalian University of Technology, Dalian 116024, China; 3. Institute of Geotechnical Engineering, School of Civil and Hydraulic Engineering, Dalian University of Technology, Dalian 116024, China
  • Received:2004-11-22 Online:2005-12-10 Published:2014-01-12

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Abstract: The shear strength parameters of soils are conventionally obtained by soil triaxial compression tests in laboratory. However, the soils in engineering practice are not always in axisymmetric stress state as in conventional triaxial compression tests. Therefore, it is important to examine the inter-relationship between strength parameters under different stress states. Based on the spatial mobilization plane failure criterion proposed by Matsuoka and Nakai, the strength parameters for different intermediate principal stresses are generally compared. It is demonstrated that the intermediate principal stress ratio has a considerable effect on shear strength parameters of soils; and the effect will be the most significant under plane-strain condition.

Key words: shear strength, intermediate principal stress, practical stress condition, spatial mobilization plane criterion

CLC Number: 

  • TU 432
  • 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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