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偏压荷载作用下双排桩支护结构的受力变形特性研究.docx

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偏压荷载作用下双排桩支护结构的受力变形特性研究 Title:AnalysisoftheForceandDeformationCharacteristicsofDouble-RowPileSupportStructuresunderEccentricLoading Abstract: Thepurposeofthisstudyistoinvestigatetheforceanddeformationcharacteristicsofdouble-rowpilesupportstructuressubjectedtoeccentricloading.Double-rowpilesupportstructureshavebeenwidelyemployedinvariousgeotechnicalapplicationsduetotheirstabilityandload-carryingcapacity.However,theeffectsofeccentricloadingontheirstructuralbehaviorremaininsufficientlyunderstood.Inthispaper,theforcedistribution,deformationcharacteristics,andstructuralresponseofdouble-rowpilesupportstructureswereanalyzedusingnumericalmodelingandlaboratorytesting.Theresultscontributetoabetterunderstandingofthebehaviorofthesestructuresunderuniqueloadingconditions. 1.Introduction 1.1Background 1.2Objectives 2.LiteratureReview 2.1Double-rowpilesupportstructures 2.2Eccentricloadingonpilefoundations 2.3Previousresearchandgapsidentified 3.Methodology 3.1Numericalmodelingusingfiniteelementanalysis 3.2Laboratorytestingprogram 3.3Experimentalsetupandprocedure 4.AnalysisandResults 4.1Forcedistributioncharacteristics 4.2Deformationbehaviorofdouble-rowpilesupportstructures 4.3Structuralresponseandstabilityanalysis 5.Discussion 5.1Comparisonwithexistingliterature 5.2Interpretationofnumericalandexperimentalresults 5.3Significanceandimplicationsoffindings 6.Conclusion 6.1Summaryofresearchfindings 6.2Recommendationsforfurtherresearch References Inthispaper,theanalysisofforceanddeformationcharacteristicsofdouble-rowpilesupportstructuresundereccentricloadingiscarriedoutusingacombinationofnumericalmodelingandlaboratorytesting.Theliteraturereviewprovidesanoverviewofthecurrentunderstandingofdouble-rowpilesupportstructuresandtheeffectsofeccentricloading.Themethodologysectiondescribesthenumericalmodelingandlaboratorytestingprogramusedtoobtaintheresults. Theresultsshowtheforcedistributioncharacteristicsanddeformationbehaviorofdouble-rowpilesupportstructuresundereccentricloading.Thestructuralres