Page 171 - 《水资源与水工程学报》2023年第4期
P. 171
!34 " ! 4 # & ' ( ) & * + , - Vol.34No.4
2023 $ 8% JournalofWaterResources&WaterEngineering Aug.,2023
DOI:10.11705/j.issn.1672-643X.2023.04.20
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MNOPQ:TV641 7RSTU:A 7VWQ:1672643X(2023)04016708
Safetyevaluationofsmallearthrockfilldamsbasedonanalytical
hierarchyprocessmethodandfuzzytheory
2
3
1
2
2
ZHOUHaiyi,LIShuyi,CAIXianfeng,SHENTuyi,LIUZhenyi,
3
1
3
ZHANGZhenhua,JINJie,LINYingdian
(1.OceanCollege,ZhejiangUniversity,Zhoushan316021,China;2.HangzhouRuhrTechnologyCo.,Ltd.,Hangzhou311121,
China;3.ForestryandWaterConservancyBureauofYuhangDistrict,Hangzhou,Hangzhou311115,China)
Abstract:Inviewofthefuzzinessandhierarchyofdamsafetyevaluation,thestructuralcharacteristics
andfailuremechanismofsmallearthrockfilldamsinChinaareanalyzedtoconstructasafetyevaluation
indexsystemconsideringthemulticriteriaandmultifactorsinvolved ,basedonwhich,asafetyevalua
tionmethodisproposedcombininganalyticalhierarchyprocessandfuzzytheory.Accordingtothismeth
od ,theweightofeachindexiscalculatedbytheanalyticalhierarchyprocessandthenmodifiedbythe
fuzzytheory ,sothemembershipvalueofeachindexintheevaluationsystemisobtained,andtheevalua
tionresultofthestructuresafetystateisdeterminedaccordingtothemaximummembershipprinciple.In
thestudy ,theKangmenReservoirearthrockfilldaminYuhangDistrict,HangzhouCity,ZhejiangProv
inceistakenasapracticalengineeringexample ,andtheproposedindexsystemandevaluationmethod
areappliedtoevaluateitsstructuralsafetylevel.Comparingthecalculatedevaluationresultswiththeac
tualengineeringsituation ,itcanbefoundthatthetwoarebasicallyconsistent,whichinturnverifiesthe
effectivenessoftheindexsystemandevaluationmethod.Thisstudycanprovideareferenceforthestruc
turalsafetyevaluationofearthrockfilldamsofsmallreservoirs.
Keywords:smallearthrockfilldam;safetyevaluation;fuzzytheory;analyticalhierarchyprocess
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