Page 163 - 《水资源与水工程学报》2022年第1期
P. 163

!33 " ! 1 #                       & ' ( ) & * + , -                               Vol.33No.1
               2022 $ 2 %               JournalofWaterResources&WaterEngineering                 Feb.,2022

            DOI:10.11705/j.issn.1672-643X.2022.01.22


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                           Deformationresponseofahighpiledwharffoundation

                                          intheprocessofslopesiltation

                                                                                          1
                                                           2
                                                                        3
                                           1
                              ZHANGDong,ZHANGLong,LIUXinxin,CHENGXingliao
                 (1.StateKeyLaboratoryofHydrology-WaterResourcesandHydraulicEngineering,NanjingHydraulicResearchInstitute,
                       Nanjing210029,China;2.Troops91112ofChinesePeople’sLiberationArmy,Ningbo315046,China;
                                    3.NanjingR&DTechGroupCo.,Ltd.,Nanjing210029,China)
                 Abstract:Aimingatthedeformationandfailurecharacteristicsofhighpiledwharfstructuresunderthe
                 conditionofcontinuoussiltationofthebankslope ,weestablishedthewharf-slopecoupledmodelsofthe
                 wholestructureandthesinglebentstructurerespectivelyusingfiniteelementmethod.Thedisplacement
                 variationofthewharfpilefoundationwiththeprocessofbankslopesiltationwasstudied.Theresults
                 showthatthestructuremainlyexperiencesverticaldisplacementwithaninclinetowardstheshoreatits
                 back.Thehorizontaldisplacementofthepiletopisobviouslysmallerthanthatofthelowerpartofthe
                 pile.Duetothecurvyshapeofthepilebody ,theleastfavorablepositionofstressisatthetopofapile.
                 Thesimulationresultofthesinglebentmodelisclosertothatofthemiddlebentofthewholestructural
                 model ,withthemaximum deviationbarelyreaching5.46%.Thus,thesinglebentmodelcansignifi
                 cantlyimprovethecalculationefficiency ,butitisunabletoreflectthedifferencesofdeformationresults
                 indifferentbentpositions.
                 Keywords:highpiledwharffoundation;bankslopesiltation;thedeformationlawofpilefoundation;
                 numericalanalysis

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