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Numerical analysis of pile foundation in liquefiable soils: parametric study
Liquefaction has been a main cause of damage to civil engineering structure in seismically active areas. The effects of damage of liquefaction on deep foundations are very destructive. Seismic behaviour of pile foundations is widely discussed by many researchers for safer and more economic designs. In this paper, a finite element model, whose accuracy was validated through experimental results, has been constructed to study the responses of pile under liquefaction using OpenSees computer package. The soil continuum was modelled by brick elements and a two-surface plasticity model. The effects of parameters such as superstructure mass, pile stiffness, soil density, maximum acceleration of input motion and ground slope are studied. The results indicated that the pile dynamic response near the ground surface is approximately under the control of dynamic response of superstructure mass, pile stiffness, soil density, and maximum acceleration of input motion, while the lower regions of pile are almost under the control of ground slope.
Numerical analysis of pile foundation in liquefiable soils: parametric study
Liquefaction has been a main cause of damage to civil engineering structure in seismically active areas. The effects of damage of liquefaction on deep foundations are very destructive. Seismic behaviour of pile foundations is widely discussed by many researchers for safer and more economic designs. In this paper, a finite element model, whose accuracy was validated through experimental results, has been constructed to study the responses of pile under liquefaction using OpenSees computer package. The soil continuum was modelled by brick elements and a two-surface plasticity model. The effects of parameters such as superstructure mass, pile stiffness, soil density, maximum acceleration of input motion and ground slope are studied. The results indicated that the pile dynamic response near the ground surface is approximately under the control of dynamic response of superstructure mass, pile stiffness, soil density, and maximum acceleration of input motion, while the lower regions of pile are almost under the control of ground slope.
Numerical analysis of pile foundation in liquefiable soils: parametric study
Zahmatkesh, Ali (author)
International Journal of Geotechnical Engineering ; 15 ; 95-106
2021-01-02
12 pages
Article (Journal)
Electronic Resource
Unknown
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