TY  - SER
AU  - Adachi, toshihisa
AU  - Oka, Fusao
TI  - An Elasto-Viscoplastic Constitutive Model with Strain-Softening  for  Soft Sedimentary Rocks
KW  - Constitutive  Model
KW  - Elasto-Viscoplasticity
KW  - Soft Rock
ER  -