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Showing Abstract of Numerical simulation and analysis of seismic offshore breakwater with finite element method (FEM)

 
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[ Abstract Viewed: | Pages: 8 ]

Title

Numerical simulation and analysis of seismic offshore breakwater with finite element method (FEM)

Topic: Published Year: 1395
Presentation:
Published in:

[ 3rd National Conference on Development of Civil Engineering, Architecure,Electricity and Mechanical in Iran ]

Original Language: English Full Text Size: Not Available

 

Abstract of the Article

 

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Download This article in PDF format Numerical simulation and analysis of seismic offshore breakwater with finite element method (FEM)

 

Authors:

[ Amin ebrahimi moghadam ] - Department of Civil Engineering, Islamic Azad University, Branch of azadshahr, azadshahr, Iran
[ Seid reza hoseini ] - Department of Civil Engineering, Islamic Azad University, Branch of azadshahr, azadshahr, Iran
[ Mohsen angosht baft ] - Department of Civil Engineering, Islamic Azad University, Branch of Aqqala, Aqqala, Iran
[ Amir ebrahimi moghadam ] - Department of mechanic Engineering, industrial University of shahroud, , shahroud, Iran

 

Abstract:

Dynamic analysis of earth embankments is even now a matter of concern among geotechnical engineers due to the difficulties exist in the appropriate selection of analysis method, constitutive model, and material properties. The LNG port, that is currently being constructed at the northern bank of the Persian Gulf at Tombak, involves an L shaped (top-down view) breakwater. Site investigations showed that there is a liquefiable sandy silt layer beneath the breakwater. Although, simplified liquefaction analyses revealed that the susceptible layer will not experience complete liquefaction during the design earthquake, earthquake-induced generation of pore water pressure and the subsequent softening of the layer has been a major concern in the design procedure. In the present study, several fully nonlinear analyses were performed by FLAC finite difference program in order to estimate the permanent deformations of breakwater and to study the effects of input material properties on the amounts of deformations. The Mohr-Coulomb constitutive model coupled with Byrne (1991) pore pressure buildup model has been employed in the analyses.

 

Keywords:

Breakwater., Numerical model, Liquefaction, Numerical simulation, Finite Element Method

 

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