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支盘桩群桩在竖向荷载作用下的承载性状试验研究.docx

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支盘桩群桩在竖向荷载作用下的承载性状试验研究 Title:ExperimentalStudyonBearingCharacteristicsofDrivenPileGroupsunderVerticalLoads Abstract: Drivenpilegroupsarecommonlyusedindeepfoundationsystemsforsupportingstructuressubjectedtoverticalloads.Thisstudyaimstoinvestigatethebearingcharacteristicsofdrivenpilegroupsunderverticalloadsthroughexperimentaltesting.Acomprehensiveexperimentalprogramwasconducted,includingmodelpreparation,loadapplication,anddataanalysis.Theresultsprovidevaluableinsightsintothebehaviorandload-carryingcapacityofdrivenpilegroups,whichcanguidethedesignandconstructionofpilefoundationsystemsinpractice. 1.Introduction: Drivenpilegroupsarecriticalcomponentsofdeepfoundationsystems,commonlyusedfortransferverticalloadsfromstructurestodeeper,morecompetentsoillayers.Understandingthebearingbehaviorandload-carryingcapacityofpilegroupsisessentialforthedesignandconstructionofsafeandcost-effectivefoundationsystems.Thisstudypresentstheexperimentalinvestigationofthebearingcharacteristicsofdrivenpilegroupsunderverticalloads. 2.ExperimentalProgram: 2.1SelectionofTestParameters: Theexperimentalprogramconsideredvariousparametersthatcanaffectthebearingcharacteristicsofdrivenpilegroups,suchaspilespacing,pilelength,andsoilconditions.Differentcombinationsoftheseparameterswereselectedtoobtainacomprehensiveunderstandingofthepilegroupbehavior. 2.2ModelPreparation: Ascaled-downmodelofthepilegroupwasprepared,consideringthegeometricsimilaritytotheprototypestructure.Carewastakentoaccuratelyreplicatethepilegeometryandmaterialproperties.Themodelpilegroupwasconstructedusingappropriatematerials,suchassteelorconcrete,toensurerealisticbehaviorduringloading. 2.3LoadApplication: Verticalloadswereappliedtothemodelpilegroupusingaspecializedloadingsystem.Theloadswereincrementallyincreaseduntilthedesiredloadlevelswerereachedoruntilfailureoccurred.Straingauges,displacementtransducers,andloadcellswereemployedtorecordthedeformations,settlements,andloadtransferwithinthepilegroupduringthetests. 3.TestResultsandDiscussion