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A platform for research: civil engineering, architecture and urbanism
Propagation of Seismic Waves through Liquefied Soils
A reliable numerical simulation of earthquake-induced response in saturated porous media requires a dynamic coupled formulation for solid-fluid interaction and a versatile constitutive model. A three dimensional finite element framework has been developed and utilized for this purpose. The program employs fully coupled dynamic field equations with u-p-U formulation for simulation of pore fluid and soil skeleton interaction, and SANISAND constitutive model for solid skeleton. The verified and validated formulations and implementations in this program are used for prediction of response of saturated porous media under seismic loading. In particular propagation of the earthquake-induced shear waves and liquefaction phenomena in uniform and layered profiles of saturated sand are numerically studies. It is shown that in a layered soil column liquefaction of deeper loose layers prevents transmission of earthquake accelerations to the upper layers.
Propagation of Seismic Waves through Liquefied Soils
A reliable numerical simulation of earthquake-induced response in saturated porous media requires a dynamic coupled formulation for solid-fluid interaction and a versatile constitutive model. A three dimensional finite element framework has been developed and utilized for this purpose. The program employs fully coupled dynamic field equations with u-p-U formulation for simulation of pore fluid and soil skeleton interaction, and SANISAND constitutive model for solid skeleton. The verified and validated formulations and implementations in this program are used for prediction of response of saturated porous media under seismic loading. In particular propagation of the earthquake-induced shear waves and liquefaction phenomena in uniform and layered profiles of saturated sand are numerically studies. It is shown that in a layered soil column liquefaction of deeper loose layers prevents transmission of earthquake accelerations to the upper layers.
Propagation of Seismic Waves through Liquefied Soils
Taiebat, Mahdi (author) / Jeremić, Boris (author) / Kaynia, Amir M. (author)
International Foundation Congress and Equipment Expo 2009 ; 2009 ; Orlando, Florida, United States
2009-03-10
Conference paper
Electronic Resource
English
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