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The Role Of Soil Stiffness In Reverse Fault Rupture Propagation, Moises I. Buelna
The Role Of Soil Stiffness In Reverse Fault Rupture Propagation, Moises I. Buelna
Master's Theses
A nonlinear Mohr-Coulomb constitutive model with a strain dependent yield surface and non-associated flow was employed to study the plastic soil properties which affect the rate of surface fault rupture propagation in reverse events. These numerical simulations show a trend for soils with higher stiffness to have a higher rate of rupture propagation. Additionally the study shows the effects of strain softening and hardening on the rate of rupture propagation. Soils which strain harden exhibiting ductile behavior typically require more basal offset to rupture to the surface than soils which strain soften exhibiting brittle behavior. These results agree with our …