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LIU Han-long, XIAO Yang, CUI Yun-liang. Elasto-plastic damage constitutive model in three-dimensional stress space for structured soft soils[J]. Chinese Journal of Geotechnical Engineering, 2011, 33(4): 637.
Citation: LIU Han-long, XIAO Yang, CUI Yun-liang. Elasto-plastic damage constitutive model in three-dimensional stress space for structured soft soils[J]. Chinese Journal of Geotechnical Engineering, 2011, 33(4): 637.

Elasto-plastic damage constitutive model in three-dimensional stress space for structured soft soils

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  • Published Date: April 14, 2011
  • Based on the proposed failure criterion for general geomaterials, an elasto-plastic damage constitutive model in three-dimensional stress space is presented by combining the elliptic-parabolic yielding surfaces, the damage yielding surface and the concept of composite framework for structured soft soils. This model can capture such behaviors as the nonlinear stress-strain, shear dilatancy, damage and strain dependence on the intermediate principal stress for structured soft soil. Besides, it can well describe the stress-strain behaviors of structured soft soils based on the comparisons between the true triaxial test results and the simulations.
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