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Elastoplastic Modeling of Clayey Soils: From MCC to ASCM

In: Practice of Constitutive Modelling for Saturated Soils

Author

Listed:
  • Zhen-Yu Yin

    (The Hong Kong Polytechnic University, Department of Civil and Environmental Engineering)

  • Pierre-Yves Hicher

    (Ecole Centrale de Nantes, Research Institute in Civil and Mechanical Engineering UMR CNRS GeM)

  • Yin-Fu Jin

    (The Hong Kong Polytechnic University, Department of Civil and Environmental Engineering)

Abstract

This chapter presents a step-by-step modeling methodology for clayey soils from the modified Cam-clay model (MCC) to the anisotropic structured clay model (ASCM). First, the experimental behavior of clayey soils under compression is presented. Then, a typical MCC model capturing both the shear and compression characteristics of clayey soils is presented, and the significance of the model parameters is discussed. By implementing the nonlinear stress–strain relationship through the bounding surface method, the effect of structures on plasticity (i.e., anisotropic yield surface, cementation/bonding, and adhesive cohesion) and the effect of structures on elasticity, the development of the ASCM model is presented. For practical purposes, the development of the MATLAB code for simulating triaxial tests using ASCM is presented. Finally, the MCC and ASCM models in the EROSLAB platform are presented for practice.

Suggested Citation

  • Zhen-Yu Yin & Pierre-Yves Hicher & Yin-Fu Jin, 2020. "Elastoplastic Modeling of Clayey Soils: From MCC to ASCM," Springer Books, in: Practice of Constitutive Modelling for Saturated Soils, chapter 0, pages 177-228, Springer.
    • Handle: RePEc:spr:sprchp:978-981-15-6307-2_6
    DOI: 10.1007/978-981-15-6307-2_6
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