Page 186 - 《水资源与水工程学报》2022年第3期
P. 186
!33 " ! 3 # & ' ( ) & * + , - Vol.33No.3
2022 $ 6 % JournalofWaterResources&WaterEngineering Jun.,2022
DOI:10.11705/j.issn.1672-643X.2022.03.24
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8IBJK:TV641.2 2 LMNOP:A LQRK:1672643X(2022)03018209
Globalsensitivityanalysisofearthdam deformation
parametersbyfullfactorialDOE
1
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4
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SUNYiqing,DUYifeng,YANGQingqing,WANGGuizhi,GANLei,
1
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ZHOUDonghao,CHENGuanyun,FENGXianwei
(1.CollegeofWaterConservancyandHydropowerEngineering,HohaiUniversity,Nanjing210098,China;2.ShanghaiSongjiang
WaterManagementStation,Shanghai201699,China;3.YangzhouSurveyandDesignResearchInstituteCo.,Ltd.,Yangzhou
225007,China;4.JiangsuSurveyingandDesignInstituteofWaterResourcesCo.,Ltd.,Yangzhou225127,China)
Abstract:Inordertoconductamoredetailedstudyonthesensitivityofdeformationparametersofhomo
geneousearthdams ,weinvestigatedtheglobalsensitivityofDuncan-ZhangE-Bmodelparametersand
dammaterialdensitytothedamdeformationofahomogeneousearthdaminGansuProvince.Thesignifi
canceofthehomogeneousearthdam deformationparameterswasinitiallyinvestigatedwiththehelpof
Plackett-Burmandesignofexperiments (DOE)toscreenouttheevidentlysignificantparameters.A
,ρ ,and Δφasthefactorsandthe
twolevel ,fourfactorfullfactorialDOEwasestablishedwithR,φ 0
f
verticaldisplacement,horizontaldisplacementtothedownstreamandhorizontaldisplacementtotheup
streamofthedamastestindicators.Themaineffectanalysis,interactioneffectanalysisandanalysisof
variance(ANOVA)wereconductedoneachfactor,andthechoroplethdiagramandresponsesurfacedia
gramoftheinteractioneffectweredrawntodeterminethesignificantparametersandcombinationsaffect
and ρ arethemostsignificantpa
f
ingthedeformationofthehomogeneoussoildam.ItisfoundthatR, φ 0
×Rarethesecondorderinterac
rametersforthedeformationofhomogeneoussoildams,and ρ ×R, φ 0 f
f
tioneffectcombinationsthatcannotbeignoredinthestudyofhomogeneoussoildamdeformationparame
ters.
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