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:1672643X(2022)03018209
                             Globalsensitivityanalysisofearthdam deformation
                                         parametersbyfullfactorialDOE

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                          SUNYiqing,DUYifeng,YANGQingqing,WANGGuizhi,GANLei,
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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
                 twolevel ,fourfactorfullfactorialDOEwasestablishedwithR,φ 0
                                                                      f
                 verticaldisplacement,horizontaldisplacementtothedownstreamandhorizontaldisplacementtotheup
                 streamofthedamastestindicators.Themaineffectanalysis,interactioneffectanalysisandanalysisof
                 variance(ANOVA)wereconductedoneachfactor,andthechoroplethdiagramandresponsesurfacedia
                 gramoftheinteractioneffectweredrawntodeterminethesignificantparametersandcombinationsaffect
                                                                             and ρ arethemostsignificantpa
                                                                         f
                 ingthedeformationofthehomogeneoussoildam.ItisfoundthatR, φ 0
                                                                             ×Rarethesecondorderinterac
                 rametersforthedeformationofhomogeneoussoildams,and ρ ×R, φ 0   f
                                                                        f
                 tioneffectcombinationsthatcannotbeignoredinthestudyofhomogeneoussoildamdeformationparame
                 ters.
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