1. 1) Oka, F., Yashima, A. and Kohara, I.: A finite element analysis of clay foundation based on finite elasto-viscoplasticity, Proc. 4th Int. Symposium on Numerical Models in Geomechanics, Swansea, Pande, G.N. and Pietruszczak, S. eds., Vol.2, Balkema, pp.915-922, 1992.
2. 2) Higo, Y., Oka, F., Kodaka, T. and Kimoto, S.: Three-dimensional strain localization of water-saturated clay and numerical simulation using an elasto-viscoplastic model, Philosophical Magazine, Structure and Properties of Condensed Matter, Vol.86, Nos.21-22, pp.3205-3240, 2006.
3. 3) Kimoto, S. and Oka, F.: An elasto-viscoplastic model for clay considering destructuralization and consolidation analysis of unstable behavior, Soils and Foundations, Vol.45, No.2, pp.29-42, 2005.
4. 4) 金子研一,荒井政男,鈴木庫雄,藤谷俊実,柴原克巳,林清史,伊藤俊夫,遠藤賢一:新型SMW工法(UD-HOMET)の開発,土木建設技術シンポジウム2005論文集,土木学会建設技術研究委員会,pp.293-300, 2005.
5. 5) Perzyna, P.: The constitutive equations for work-hardening and rate sensitive plastic materials, Proc. Vibrational Problems, Warsaw, Vol.4, No.3, pp.281-290, 1963.