1. Theoretical soil mechanics;Terzaghi,1943
2. A cyclic elastic-plastic constitutive model for sand considering plastic-strain dependence of the shear modulus;Oka;Geotechnique,1999
3. Oka F, Yashima A, Kato M, Sekiguchi K. A constitutive model for sand based on the non-linear kinematic hardening rule and its application. In: Proceedings of 10th World Conference on Earthquake Engineering, Barcelona, 1992. p. 2529–34.
4. Oka F. A cyclic elasto-viscoplastic constitutive model for clay based on the non-linear equations for hardening rule. In: Proceedings of the 4th International Symposium on Numerical Models in Geomechanics, Swansea, 1992. p. 105–14.
5. FEM-FDM coupled liquefaction analysis of a porous soil using an elastic-plastic model;Oka;Applied Scientific Research,1994