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Paper
Title

Influences of Nonlinear Ground Motion Analysis on Selsmic Response of Offshore Piles

ششمین همایش بین المللی سواحل، بنادر و سازه های دریایی
Year: 1383
COI: ICOPMAS06_084
Language: EnglishView: 1,332
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Authors

Mehrdad kimiaei - Offshore Facilities Installation Manager, Phases ۶,۷,۸ South Pars Field Gas Development, Petropars Ltp. Tehran, Iran
Mohsen ali Shayanfar - Associate Professor, Civil Eng. Dept., Iran Univ. of Science & Technology Tehran
M.Hashem Ei Naggar - Associate Profesosor and Research Director, Geotechnical Research Centre

Abstract:

Nonlinear response of piles is the most important source of potentially nonlinear behavior of offshore platfroms due to strong earthquake excitations . It is often necessary to perfom dynamic analysis of offshore platforms that accounts for soil nonlinearity. discontinuity condition at pile soil interfaces, energy dissipation through soil radiation damping and structural nonlinear behaviors of the piles. In this study a BNWF (Beam on Nonlinear Winkler Foundation) model is introduced and it is used to compute the Lateral response of piles subjected to seismic loading. The soil stiffness is established using the P-Y curve. The results of nonlinear earthquake site response analyses are used as the input excitations at support nodes of the model. The components and advantages of this BNWF model in seismic response of the experimental test results. Sensitivity of the results to model paramrters and site response calculations are evaluated.

Keywords:

BNWF , Nonlinear , Seismic , offshore , Piles

Paper COI Code

This Paper COI Code is ICOPMAS06_084. Also You can use the following address to link to this article. This link is permanent and is used as an article registration confirmation in the Civilica reference:

https://civilica.com/doc/3283/

How to Cite to This Paper:

If you want to refer to this Paper in your research work, you can simply use the following phrase in the resources section:
kimiaei, Mehrdad and Shayanfar, Mohsen ali and Ei Naggar, M.Hashem,1383,Influences of Nonlinear Ground Motion Analysis on Selsmic Response of Offshore Piles,6th International Conference on Coasts, Ports and Marine Structures,Tehran,https://civilica.com/doc/3283

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