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dc.contributor.authorMohamed H. El Naggar
dc.contributor.authorMilos Novak
dc.date.accessioned2017-05-08T20:38:12Z
dc.date.available2017-05-08T20:38:12Z
dc.date.copyrightSeptember 1996
dc.date.issued1996
dc.identifier.other%28asce%290733-9410%281996%29122%3A9%28717%29.pdf
dc.identifier.urihttp://yetl.yabesh.ir/yetl/handle/yetl/21933
dc.description.abstractThe response of a fixed, offshore tower is greatly affected by the nonlinear behavior of the supporting piles. An analysis of the foundation piles response to transient dynamic loading that accounts for soil nonlinearity, discontinuity conditions at the pile-soil interface, and group effect is used to assemble the stiffness matrix of the foundation piles. A foundation stiffness matrix is added to the global structural stiffness matrix at the pertinent degrees of freedom (DOF). A model for the evaluation of wave forces on the tower members that takes into account the spatial incoherence effect on wave forces is used in the analysis. Hydrodynamic damping is evaluated, and the effect of the tower foundation behavior on it is assessed. Furthermore, the tower response to random wave forces is conducted, and the effect of foundation parameters on the tower response is examined. It was found that both the hydrodynamic damping and tower response to wave forces are greatly influenced by the foundation nonlinearity and by pile-soil-pile interaction.
dc.publisherAmerican Society of Civil Engineers
dc.titleInfluence of Foundation Nonlinearity on Offshore Towers Response
dc.typeJournal Paper
dc.journal.volume122
dc.journal.issue9
dc.journal.titleJournal of Geotechnical Engineering
dc.identifier.doi10.1061/(ASCE)0733-9410(1996)122:9(717)
dc.treeJournal of Geotechnical Engineering:;1996:;Volume ( 122 ):;issue: 009
dc.contenttypeFulltext


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