›› 2005, Vol. 26 ›› Issue (5): 723-727.

• Fundamental Theroy and Experimental Research • Previous Articles     Next Articles

Experimental research on effect of initial principal stress orientation on dynamic properties of calcareous sand

LI Jian-guo1, WANG Ren1, YU Hai-zhen2, HE Yang3, XU Cheng-shun3   

  1. 1. Key Laboratory of Rock and Soil Mechanics, Institute of Rock and Soil Mechanics, Chinese Academy of Sciences, Wuhan 430071, China; 2.Institute of Civil Engineering, Huazhong University of Science and Technology, Wuhan 430074, China; 3.School of Civil and Hydraulic Engineering, Dalian University of Technology, Dalian 116024, China
  • Received:2004-08-17 Online:2005-05-10 Published:2013-12-17

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Abstract: In order to investigate the effect of the initial angle of principal stress on dynamic strength and residual strain behaviors of calcareous sand under cyclic loading, a series of triaxial-and-torsional coupling cyclic shear tests on calcareous sand with a relative density of 30 % were carried out in a new universal triaxial and torsional shear apparatus of Dalian University of Technology. The test results show that the effect is marked. With the increasing of , the dynamic strength of calcareous sand decreases obviously and the rising rate of residual strain increases.

Key words: initial principal stress orientation, dynamic strength, residual strain, universal triaxial and torsional shear apparatus, triaxial-and-torsional coupling cyclic shear test, calcareous sand

CLC Number: 

  • TU 411
  • 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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