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Numerical Simulation of Static Liquefaction of Loose Sand
Liquefaction instability of loose sands may occur in the static condition due to the rise in pore water pressure. When a numerical method is used to study sand stability and simulate liquefaction phenomenon, the elastoplastic constitutive model - which can accurately reflect the characteristics of sandy soil stres sand strain relations, especially the volumetric behavior - should be adopted. In this paper, sign of second order work is used as a criteria for static liquefaction. Loose sand plane strain specimen under undrain condition is analyzed, and the numerical results demonstrate differences of the static liquefaction phenomenon between fast-loading cases and slow loading cases.
Numerical Simulation of Static Liquefaction of Loose Sand
Liquefaction instability of loose sands may occur in the static condition due to the rise in pore water pressure. When a numerical method is used to study sand stability and simulate liquefaction phenomenon, the elastoplastic constitutive model - which can accurately reflect the characteristics of sandy soil stres sand strain relations, especially the volumetric behavior - should be adopted. In this paper, sign of second order work is used as a criteria for static liquefaction. Loose sand plane strain specimen under undrain condition is analyzed, and the numerical results demonstrate differences of the static liquefaction phenomenon between fast-loading cases and slow loading cases.
Numerical Simulation of Static Liquefaction of Loose Sand
Qu, Xie (author) / Huang, Maosong (author)
Geo-Shanghai 2014 ; 2014 ; Shanghai, China
Soil Behavior and Geomechanics ; 587-595
2014-05-05
Conference paper
Electronic Resource
English
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