（英文）预制节段拼装混凝土双柱墩的抗震性能拟静力试验分析（英文）-豆柴文库

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（英文）预制节段拼装混凝土双柱墩的抗震性能拟静力试验分析（英文）
Title:SeismicPerformanceAnalysisofPrefabricatedSegment-AssembledConcreteDual-ColumnPiersthroughPseudo-StaticTesting
Abstract:
Thispaperpresentsastudyontheseismicperformanceofprefabricatedsegment-assembledconcretedual-columnpiers.Theexperimentalinvestigationinvolvesconductingpseudo-statictestsonaprototypepiertoevaluateitsresistanceagainstseismicforces.Thetestresultsprovidecrucialinsightsintothebehaviorandperformanceofsuchpiersunderseismicloadingconditions.
1.Introduction
Prefabricatedsegment-assembledconcretedual-columnpiershavegainedsignificantattentioninrecentyearsduetotheirpotentialtomitigatetheeffectsofearthquakesoninfrastructure.Thisstudyaimstoanalyzetheseismicperformanceofthesepiersthroughpseudo-statictesting,whichallowsforcontrolledevaluationoftheirresponsetoseismicforces.
2.ExperimentalSetup
Thepseudo-statictestinginvolvessubjectingaprototypepiertosimulatedseismicforcesusinghydraulicactuators.Thetestsetupincludestheprototypepier,actuators,dataacquisitionsystem,andsensorsformeasuringdisplacement,acceleration,andstrain.Thepierisdesignedandconstructedwithprefabricatedconcretesegmentsandsteelreinforcement.
3.TestProcedures
Thepseudo-statictestsareconductedbygraduallyapplyingdisplacement-controlledlateralforcestothepier,simulatingtheresponsetoseismicloading.Theloadingisappliedinincrementsuntilthepierreachesitsultimatelimitstateorfailure.Thedisplacement,acceleration,andstrainmeasurementsarerecordedateachstageofloading.
4.ResultsandAnalysis
Thetestresultsprovidevaluabledataonthebehavioroftheprefabricatedsegment-assembledconcretedual-columnpier.Theload-displacementcurvesillustratethepier'sresponseunderseismicloading.Analysisoftherecordedaccelerationandstraindataallowsforinsightsintothedevelopmentofcracks,deformationpatterns,andloadtransfermechanismswithinthepier.
5.SeismicPerformanceEvaluation
Basedontheobtainedresults,theseismicperformanceoftheprefabricatedsegment-assembledconcretedual-columnpierisevaluated.Factorssuchasultimatelater