Critical State Soil Mechanics

angle applied axial-test behaviour calculations Cam-clay model chapter cohesive soil consider consolidation constant Coulomb critical state concept critical state line defined deformation deviatoric displacement distortion drained effective spherical pressure effective stress elastic engineers equation excess pore-pressure failure flow flownet friction Granta-gravel Hvorslev increment isotropic K-line layer lb/in² limiting equilibrium limiting-stress liquid limit load-increment loading London clay material Mohr-Rankine Mohr's circle parameters particles peak plane plastic strain-increments plasticity index plot pore-water predicted principal stress space probing problem remoulded rupture surface sample sand saturated seepage shear strain Shear Strength shear stress shown in Fig Skempton slip slope soil mechanics soil-material Sokolovski solution space diagonal specific volume stability strength stress components stress ratio stress-increment tensor test path undrained test vector velocity vertical virgin compression water content yield curve yield function δυ σί ду дх