Page 120 - 《水资源与水工程学报》2023年第5期
P. 120
! 34 " ! 5 # & ' ( ) & * + , - Vol.34No.5
2023 $ 10 % JournalofWaterResources&WaterEngineering Oct.,2023
DOI:10.11705/j.issn.1672-643X.2023.05.13
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EFGHI:TV663 .2 JK7LM:A JNOI:1672643X(2023)05011608
Researchonwearresistantbottom edgeofradialgates
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YUYongjun,HONGYu,WANGShuai,DINGZhengzhong
(1.YellowRiverWaterResourcesandHydropowerDevelopmentGroupCo.,Ltd.,Zhengzhou450099,China;
2.TheFourthConstructionCo.,Ltd.ofChinaNationalChemicalEngineering,Yueyang414022,China;
3.YellowRiverEngineeringConsultingCo.,Ltd.,Zhengzhou450003,China)
Abstract:Thebottomedgeofradialservicegateinstalledonthefloodandsedimentdischargeholewith
partialopeningoperationrequirementsonhighsedimentladenriverispronetoabrasiondamage,thecon
ventionalrestorationmethodsaretimeconsuming ,anditisdifficulttoguaranteetherestorationquality,
whichaffectsthesafeoperationoffloodcontrolfacilitiesoftheproject.Accordingtothecomparisonand
analysisofabrasiondamage ,radialgatestructureandwearresistantmaterials,thedesignschemeofas
sembledwearresistantradialgatebottom edgestructurecomposedofwearresistantplateandbearing
componentisproposed.Thisstructurecansignificantlyenhancethewearresistantperformanceofthebot
tomedgeoftheradialgatewithoutreducingthewholestrengthandstiffnessoftheradialgate ,andcanal
sogreatlyimprovetherestorationefficiencyandqualityofthewornbottomedge.Itisnotonlyapplicable
torecentlyinstalledradialgates ,butalsoapplicabletothereconstructionofthebottomedgeoftheexist
ingradialgates.Thestructurehasbeenputintooperationfor4yearsinXiaolangdiMultipurposeDam
withexcellentperformance.
Keywords:radialgate;wearresistant;bottomedgeofgate;assembled;XiaolangdiMultipurposeDam
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