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船撞桥墩动力响应的试验研究（英文）.docx

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船撞桥墩动力响应的试验研究（英文） Title:ExperimentalStudyonPowerResponseofShipCollidingwithBridgePier Abstract: Inthisstudy,weconductedexperimentstoinvestigatethepowerresponseofashipcollidingwithabridgepier.Theexperimentswereconductedonascaled-downmodelofaship,andthecollisionsweresimulatedusinghydrauliccylinders.Theaimofthisstudywastoprovideabetterunderstandingofthepowerresponseofashipduringacollisionwithabridgepier,andtoidentifythefactorsthatinfluencethisresponse. Introduction: Collisionsbetweenshipsandbridgepiersareasignificantsafetyconcerninthemaritimeindustry.Thesecollisionscancauseseveredamagetoboththeshipandthebridge,andcanleadtolossoflifeandenvironmentaldamage.Thepowerresponseofashipduringacollisionwithabridgepierisacriticalfactorthatdeterminestheextentofthedamage.Thepowerresponseisinfluencedbyfactorssuchastheship'sspeed,angleofcollision,andthestiffnessofthepier.Inthisstudy,weaimedtoinvestigatethepowerresponseofashipduringacollisionwithabridgepierandidentifythefactorsthatinfluencethisresponse. Methodology: Weconductedexperimentsusingascaled-downmodelofaship.Themodelwasmadeofsteelandwas1:20inscale.Themodelwasplacedonahydraulicplatformthatallowedustosimulatedifferentcollisionscenarios.Weusedhydrauliccylinderstosimulatecollisionsbetweentheshipandthebridgepier.Wevariedthespeedandangleofcollisiontoinvestigatetheireffectsonthepowerresponse.Wealsovariedthestiffnessofthepiertoinvestigateitseffectonthepowerresponse. Results: Ourexperimentsshowedthatthepowerresponseoftheshipduringacollisionwiththebridgepierwasinfluencedbyseveralfactors.Thespeedoftheshiphadasignificanteffectonthepowerresponse,withhigherspeedsresultinginlargerforcesanddeformations.Theangleofcollisionalsohadasignificanteffectonthepowerresponse,withobliquecollisionsresultinginlargerforcesanddeformationsthanperpendicularcollisions.Thestiffnessofthepieralsohadasignificanteffectonthepowerresponse,withstifferpiersresultinginlargerforcesanddeformations. Conclusion: Inconclusion,ourstudyprovidesvaluableinsightsintothepowerrespo