... stress-strain response joint parameter Gypsum Plaster rock mass joint frequency sandstone Plaster of Paris wellbore integrity Wellbore Design failure criteria failure criterion joint factor equation criterion parametric analysis jointed rock mass Ramamurthy 11th Congress...

... canplex stress-strain response. Tests on intact specimensrevealed that the response not only dependson material compositionof the rock rot also on the mannerand environmentin \ohich the rock is tested. The stress-strain laws are also effected by micro-structure of rock material, confining pressure, rate...

... orientation reinforcement jointed rock mass matrix pande Upstream Oil & Gas criterion uniaxial tension rock material stiffness stress-strain response simple loading state shear stress multi-laminate model strength rock joint increment global coordinate elasticity matrix...