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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BCDEF:TV31;U656.1 13 GHIJK:A GLMF:1672643X(2022)01015905
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
wholestructureandthesinglebentstructurerespectivelyusingfiniteelementmethod.Thedisplacement
variationofthewharfpilefoundationwiththeprocessofbankslopesiltationwasstudied.Theresults
showthatthestructuremainlyexperiencesverticaldisplacementwithaninclinetowardstheshoreatits
back.Thehorizontaldisplacementofthepiletopisobviouslysmallerthanthatofthelowerpartofthe
pile.Duetothecurvyshapeofthepilebody ,theleastfavorablepositionofstressisatthetopofapile.
Thesimulationresultofthesinglebentmodelisclosertothatofthemiddlebentofthewholestructural
model ,withthemaximum deviationbarelyreaching5.46%.Thus,thesinglebentmodelcansignifi
cantlyimprovethecalculationefficiency ,butitisunabletoreflectthedifferencesofdeformationresults
indifferentbentpositions.
Keywords:highpiledwharffoundation;bankslopesiltation;thedeformationlawofpilefoundation;
numericalanalysis
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