1. Been, K., Jefferies, M., 1985. A state parameter for sand. Géotechnique 1985; 35(2):99–112.
2. Finite Element Procedures;Bathe,1996
3. Biot. M.A., 1941. General theory of three-dimensional consolidation, J. Appl. P h j ~ . , 12, 155-164.
4. Cam clay plasticity, part I: implicit integration of constitutive relations;Borja;Comput. Methods Appl. Mech. Eng.,1990
5. Brinkgreve, R. B. J., Kumarswamy, S.,Swolfs, W. M., Engin, E., Fonseca Arévalo, F., Ragi Manoj, N., Zampich, L., Zalamea, N (2020). Plaxis Connect Edition V20.03 Manuals by Bentley Systems.