Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Numerical Procedures for Simulating Earthquake Fault Rupture Propagation
AbstractNumerical simulations of earthquake fault rupture propagation can be used to design structures to resist damage from induced ground deformations. Several researchers have developed numerical models for analyzing the responses of soil and structures to underlying fault movement. Often, however, a relatively simple Mohr-Coulomb constitutive model that is modified to incorporate strain softening or other material nonlinearity is used. In this work, a modification of the UBCSAND soil constitutive model, one that has been shown to capture well the nonlinear shear response of soil for many stress paths, was used. The UBCSAND model was modified to add postpeak strain softening with a response that is dependent on the mode of fault rupture, a nonlinear failure envelope that is stress dependent, and a modified flow rule that is dependent on the mode of shear deformation. The numerical simulations captured well the observed trends in carefully performed geotechnical centrifuge experiments. The Modified-UBCSAND models developed herein can be used to evaluate boundary-deformation problems.
Numerical Procedures for Simulating Earthquake Fault Rupture Propagation
AbstractNumerical simulations of earthquake fault rupture propagation can be used to design structures to resist damage from induced ground deformations. Several researchers have developed numerical models for analyzing the responses of soil and structures to underlying fault movement. Often, however, a relatively simple Mohr-Coulomb constitutive model that is modified to incorporate strain softening or other material nonlinearity is used. In this work, a modification of the UBCSAND soil constitutive model, one that has been shown to capture well the nonlinear shear response of soil for many stress paths, was used. The UBCSAND model was modified to add postpeak strain softening with a response that is dependent on the mode of fault rupture, a nonlinear failure envelope that is stress dependent, and a modified flow rule that is dependent on the mode of shear deformation. The numerical simulations captured well the observed trends in carefully performed geotechnical centrifuge experiments. The Modified-UBCSAND models developed herein can be used to evaluate boundary-deformation problems.
Numerical Procedures for Simulating Earthquake Fault Rupture Propagation
Bray, Jonathan D (Autor:in) / Oettle, Nicolas K
2017
Aufsatz (Zeitschrift)
Englisch
Numerical Procedures for Simulating Earthquake Fault Rupture Propagation
| Online Contents | 2016
Earthquake Fault Rupture Propagation through Soil
| British Library Online Contents | 1994
Earthquake Fault Rupture Propagation through Soil
| British Library Online Contents | 1996
Earthquake Fault Rupture Propagation through Soil
| Online Contents | 1994