预览加载中，请您耐心等待几秒...

饱和半空间层状土体中群桩动力响应分析(英文).docx

预览
1/2
2/2

在线预览结束，喜欢就下载吧，查找使用更方便

下载提示 文本预览

如果您无法下载资料，请参考说明：

1、部分资料下载需要金币，请确保您的账户上有足够的金币

2、已购买过的文档，再次下载不重复扣费

3、资料包下载后请先用软件解压，在使用对应软件打开

饱和半空间层状土体中群桩动力响应分析(英文) DynamicResponseAnalysisofGroupPilesinLayeredSoilofSaturatedSemi-Space Abstract: Thedemandforanalysisofthedynamicresponseofpileshasbeenincreasingduetothedevelopmentoftheconstructionindustry.Pilesareanessentialpartofthefoundationthatsupportsthestructure'sweight.Theaimofthisstudyistoanalyzethedynamicresponseofgrouppilesinalayeredsemi-spacesoilundersaturatedconditions.Toachievethis,thefiniteelementmethod(FEM)wasusedtoanalyzethedynamicresponseofpiles.Theanalysisresultsshowthatthesoiltypesandthesaturationofthesoilaffectthedynamicresponseofpiles.Moreover,thepilespacingofthegrouppilesinfluencesthedynamicresponseofthepiles.Furthermore,thedepthofthepileheadalsoaffectsthedynamicresponseofthepiles.Theresearchprovidespracticalguidancefordesigningtheplacementandsizeofpilegroups. Introduction: Pilesarestructuralmembersdesignedtotransfertheloadsofastructurethroughsoilorrocklayerstoadeeper,strongerstratum.Inengineeringpractice,usingpilesasfoundationsisbecomingmorepopular.Thepilesworkwiththesoilasasystem.Therefore,thesoilconditionplaysasignificantroleintheloadtransfermechanismofthepiles.Thedynamicresponseofpilesisacrucialfactorinthedesignofthepilefoundation,especiallyinareaswithactiveearthquakes.Theaimofthisstudyistoanalyzethedynamicresponseofgrouppilesinalayeredsemi-spacesoilundersaturatedconditions. Methodology: Toanalyzethedynamicresponseofgrouppilesinalayeredsemi-spacesoilundersaturatedconditions,thefiniteelementmethod(FEM)wasused.TheFEMisaneffectiveandwidelyusedmethodforanalyzingdynamicandstaticresponsesofstructuresandsoil-structureinteractions.ThecommercialsoftwarepackageABAQUSwasusedfordynamicanalysis.Atwo-dimensional(2D)semi-spacemodelwasconsideredinthisstudy. Toconducttheanalysis,thephysicalmodelwasscaleddowntoarealisticsize.Thepilelengthwas24m,andthediameterwas0.6m.Thespacingofgrouppileswas1m,2m,and3m.Thelayeredsoilwasconsideredastwo-layer.Theupperlayerwas15m,andthelowerlayerwas15m.Thethicknessofeachlayerwas15m.Theupperlayerwastakenassand,andthelowerl