考虑冲刷的海上风电单桩-海床-结构地震响应分析

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中图分类号：TU43 文献标志码：A DOI：10.16385/j.cnki.issn.1004-4523.202508097

Abstract：ThemonopilesupportedofshoreindturinesOWs）staledinsismicallyactieregiososepotentialrisksfrosmic ground motiosandpostscourconitios.Intissudy，numercalmodelswithvaringpostscouronitiosaredeveloedtosiulatete monopile-supportedOWstaledinlquefablesabed，inchteCyLiqostutie modelisusedtoaptuetedyamicbaviosf seabedsoils.Theumericalmodelingapproachissuccesfullyvalidatedusingcentrifugeshakingtabletests.Seismicresponseaalysesof structuressujectedtoeisicladigareodutedSpeciicallythifucemehansofpostscoronditiosoeisicspsa uncoveredhalysatesatoufectsmcspoesprariloughtoactosialegheatiedi thefirst-ordernatural frequencyofstructures andthepredominantfrequencyofgroud motions tohangetheresonanceefect，thereby affectingothdynamicesponsesndresidualdformations；ieakeningthesoil-pileinteraction，whicheducesdnamicsposesbut aggravatessiualdfatios.Fologperodgroundotiosreasedsourdepthayeacetheesoanefect，eadingtogeater seismicesponsesIncontrast，forigh-frequencygroundmotions，increasedsourdepthmayreducedynamicesponses，whilethetrendof residual deformation is non-monotonical due to the influences of the two mentioned-above factors.

Keywords： seismic response;offshore wind turbine;monopile; numerical model; scour

近年来，全球海上风电行业快速发展，截至2024年底，海上风电累计装机容量已达83.2GW[1]。（剩余19174字）