Page 171 - 《水资源与水工程学报》2024年第2期
P. 171
!35 "!2 # & ' ( ) & * + , - Vol.35No.2
2024 $ 4 % JournalofWaterResources&WaterEngineering Apr.,2024
DOI:10.11705/j.issn.1672-643X.2024.02.19
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GHIJK:TV642.3 LMNOP:A LQRK:1672643X(2024)02016707
Thermalstresssimulationandtemperaturecontrolmeasuresfor
RFCenddam ofYebatanHydropowerProject
2
1
1
1
3
ZHAOHouran,XUYanjie,ZHAOHeng,LIANGTing,JINFeng
(1.SchoolofCivilEngineering,TsinghuaUniversity,Beijing100084,China;2.YabatanBranchofHuadian
JinshaRiverUpstreamHydropowerDevelopmentCo. ,Ltd,Chengdu610041,China;3.YalongRiver
HydropowerDevelopmentCo.,Ltd.,Chengdu610051,China)
Abstract:Thispapercarriesoutasimulationanalysisofthethermalstressinthewholedamsectionof
therockfilledconcreteenddamofYebatanHydropowerProjectinthehighaltitudecoldregion ,focusing
ontheeffectsoftransversejointsettingandsurfacethermalinsulation.Theresultsdemonstratethatset
tingatransversejointcaneffectivelycontrolthescopeofhightensilestressarea ,andreducethemaxi
mumprincipalstressbyabout0.8MPa.Surfaceinsulationmeasurescaneffectivelyreducethetempera
turefluctuationofthesurfaceconcreteandreducethemaximumprincipalstressbyabout0.6MPa.Asa
result ,Yebatanenddamcansatisfythetemperaturecontrolrequirementsbysettingatransversejointand
adoptingsurfacethermalinsulationmeasures.
Keywords:rockfilledconcrete(RFC)dam;thermalstress;transversejoint;surfacethermalinsula
tion;highaltitudecoldregion
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