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Erschienen in:
2020 | OriginalPaper | Buchkapitel
6. Elastoplastic Modeling of Clayey Soils: From MCC to ASCM
verfasst von : Prof. Zhen-Yu Yin, Pierre-Yves Hicher, Yin-Fu Jin
Erschienen in: Practice of Constitutive Modelling for Saturated Soils
Verlag: Springer Singapore
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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.