资源描述：
《Transient dynamic response of pile to vertical load in saturated soil》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。
1、MechanicsResearchCommunications36(2009)618–624ContentslistsavailableatScienceDirectMechanicsResearchCommunicationsjournalhomepage:www.elsevier.com/locate/mechrescomTransientdynamicresponseofpiletoverticalloadinsaturatedsoila,*abaXiang-LianZhou,Jian-HuaWang,Ling-FaJian
2、g,BinXuaDepartmentofCivilEngineering,ShanghaiJiaoTongUniversity,Shanghai200030,ChinabInstitueofRockandSoilMechanics,TheChineseAcademyofScience,Wuhan430071,ChinaarticleinfoabstractArticlehistory:Thisinvestigationisconcernedwiththedynamicresponseofapileembeddedinasatu-R
3、eceived29December2007ratedhalf-spacesubjectedtotransientverticalloading.ThepileisrepresentedbyabeamReceivedinrevisedform1October2008element,andthesaturatedmediumusesBiot’sthree-dimensionalelastodynamictheory.Availableonline30January2009Thegoverningequation,whichisform
4、ulatedundertheapproximationthatthestrainofthefictitiouspileisequaltothecorrespondingaverageoveracircularareaintheextendedhalf-space,isfoundtobeaFredholmintegralequation,andsolvedbyanappropriateKeywords:numericalmethod.TimedomainsolutionsareobtainedbyusingnumericalFouri
5、erinver-Saturatedhalf-spacesiontransformation.Somenumericalresultsaregiven.PileTransientloadingÓ2009ElsevierLtd.Allrightsreserved.Fredholmintegralequation1.IntroductionPileisoftensubjectedtodynamicloads.Commonexamplesareloadsduetotraffic,machinery,earthquakesandimpact.
6、Thestudyoftransientdisplacementsandforcesinapileisimportantinthedevelopmentofdesignforembeddedfounda-tionssubjectedtodynamicloads.Dynamicanalysisofapilehasbeenmostlylimitedtothefrequencydomainduetotheassumptionoflinearityinthevariousformulationsthatmakeseasierforthepr
7、oblemtobesolved.Becauseoftheanalyticalcomplexityinvolved,timedomainanalysishasbeenstudiedrelativelyless.Thetransientdynamicformulationsaremorecomplicated,andoftenposeanumberofproblemsinvolvingnumericalaccuracyandstability.Thevariousapproachesthathavebeenusedfortransie
8、ntproblemcanbecategorizedascontinuummethod,finiteelementmethod,boundaryelementmethodanddynamicWinklermethod.Theearlydevelopme
