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    SHI Jian, QIAN Sen, ZENG Ling-ling, HONG Zhen-shun. Undrained shear behaviors of reconstituted Wenzhou clay under different consolidation stress paths[J]. Chinese Journal of Geotechnical Engineering, 2014, 36(9): 1674-1679. DOI: 10.11779/CJGE201409014
    Citation: SHI Jian, QIAN Sen, ZENG Ling-ling, HONG Zhen-shun. Undrained shear behaviors of reconstituted Wenzhou clay under different consolidation stress paths[J]. Chinese Journal of Geotechnical Engineering, 2014, 36(9): 1674-1679. DOI: 10.11779/CJGE201409014
    shu

    Undrained shear behaviors of reconstituted Wenzhou clay under different consolidation stress paths

    • 1. Institute of Geotechnical Engineering, Southeast University, Nanjing 210096, China;
      2. College of Civil Engineering, Fuzhou University, Fuzhou 350108, China

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    • Received Date: December 19, 2013
    • Published Date: September 21, 2014
      Graphical Abstract
      • Abstract
    • To investigate the effects of the initial conditions and stress states on the intrinsic undrained strength behaviors of reconstituted clay, a series of consolidated undrained triaxial compression tests are performed on reconstituted Wenzhou clay under different consolidation conditions. The undrained shear stress-strain relationship and undrained strength are investigated. The void index Iv and the undrained strength ratios R*su=Su/ p’ with different mean effective stresses p’ are used to compare the undrained strength Su under different consolidation conditions with the Chandler intrinsic strength line ISuL. The results indicate that the undrained shear stress-strain curves change with the consolidation stress paths under the same mean effective stresses p’. The undrained shear strengths and undrained strength ratios R*su=Su/ p’ are also greatly affected by the consolidation stress paths. When Su/ p’=0.33, the relationship between the void index Iv and the undrained strength Su is identical to the Chandler intrinsic strength line ISuL.
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