Structural Engineering and Mechanics

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A review of fixed offshore platforms under earthquake forces

  • Hasan, Syed Danish (Civil Engineering Section, University Polytechnic, AMU) ;
  • Islam, Nazrul (Civil Engineering Department, Jamia Millia Islamia, Jamia Millia Islamia) ;
  • Moin, Khalid (Civil Engineering Department, Jamia Millia Islamia, Jamia Millia Islamia)
  • Received : 2008.04.14
  • Accepted : 2010.02.17
  • Published : 2010.07.10
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Abstract

Advances in geological studies, have identified increased seismic activity in the world's ocean once believed to be far from seismic hazards. The increase in demand of oil and other hydrocarbons leaves no option but to install a suitable offshore platform on these seismically sensitive offshore basins. Therefore, earthquake based design criteria for offshore structures are essential. The focus of the present review is on various computational techniques involved for seismic response study. The structural and load modeling approaches, the disturbed fluid-structure and soil-structure interaction as well as hydrodynamic damping due to earthquake excitation are also discussed. A brief description on the reliability-based seismic design approach is also presented.

Keywords

References

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