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Studyonadaptiveintelligentcoolingstrategyforlow - heatcementRCC
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LINPeng,LIMing,LIUKe,OUYANGJianshu ,YANGZongli,QIAOYu 2
(1.DepartmentofHydraulicEngineering,TsinghuaUniversity,Beijing 100084,China;
2.ChinaThreeGorgesConstructionEngineeringCorporationCo.,Ltd.,Chengdu 610000,China;
3.ChinaThreeGorgesCorporationScienceandTechnologyResearchInstitute,Beijing 101100,China)
Abstract:Studyontemperaturecontrolcharacteristicsandadaptiveintelligentcoolingstrategyforlow - heatcement
RCCisofgreatsignificancefordamcrackingcontrolindry - hotvalleyenvironment.Thisstudyanalyzeschallenges
anddifficultiesforlow - heatcementRCCcrackingcontrol ,proposesnumericalanalysismethodofdamtemperature
andstressfieldduringconstructionperiod,andraisetheadaptiveintelligentcoolingstrategy.BaseonWudongde
low - heatcementRCCsecondarygravitydam project ,temperatureandstresschangecharacteristicsofdifferent
zonesofthewholedamarerevealedby3Dsimulation.Byapplyingself - developedintelligentcooling2.0system,
regionaladaptiveintelligentcoolingisrealizedinWudongdesecondarydam.Fieldmonitoringandsimulationanaly
sisresultshowthatthemaximumtemperaturecoincidenceratereaches100%,indicatingthattheadaptiveintelli
gentcoolingstrategycanmeettherequirementsofcrackingpreventionindry - hotvalleyenvironment.Thisstudy
promotessimplificationofRCCdamconstructiontechnologyandimprovesconcretequalityandefficiency.Monito
ringdataduringwaterstorageprocessshowsthatthesafetyofWudongdesecondarydamisguaranteed,andthere
sultscanbeusedforreferenceforsimilarprojectsworldwide.
Keywords:low - heatcement;RCC;intelligentcooling;adaptivecooling;Wudongdehydropowerstation
(责任编辑:韩 昆)
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State - of - the - artreviewofreservoiradaptationoperationinchangingenvironment
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ZHANGWei,LIUPan,LIUZhiwu,LIURuikuo,MINGBo
(1.ScienceandTechnologyResearchInstitute,ChinaThreeGorgesCorporation,Beijing 100038,China;
2.StateKeyLaboratoryofWaterResourcesandHydropowerEngineeringScience,WuhanUniversity,Wuhan 430072,China;
3.StateKeyLaboratoryofEco - HydraulicsinNorthwestAridRegionofChina,
Xi’anUniversityofTechnology,Xi’an 710048,China)
Abstract:Inthechangingenvironmentdrivenbyclimatechangeandhumanactivities,traditionalreservoiroper
atingrules ,designedbasedonstationaryhydrologicalcondition,cannotperform wellasreservoirmanagersre
quested.Thisforcesreservoirmanagerstomakeadaptiveadjustmentstoensuresafetyandefficientutilizationof
waterresources.Therefore ,reservoiradaptationoperationinchangingenvironmentisafrontierandhottopicin
thefieldofreservoiroperationathomeandabroad.Manyinternationalexpertsandscholarshavecarriedout
plentyofexcellentworks.Thisstudyisaimedtoprovidethestate - of - the - artreviewofreservoiradaptationopera
tioninrecentdecades.Itincludesthreecrucialparts:(1)reservoirinflowprojectionmethodinchangingenviron
ment ,(2)derivationmethodofreservoiroperatingrules,and(3)themethodologicalframeworkincorporating
changingenvironment - reservoirinflow - reservoiroperatingrules.Themainresearchproblemsarealsosummarized
inthispaper.Furthermore ,futurepotentialdirectionsofreservoiradaptationoperationarediscussed,suchas
howtoprojectreservoirinflowconsideringnaturalandartificialdualeffects ,andhowtoachievestaticconnection
anddynamicadjustmentofreservoiroperationstrategies.
Keywords:reservoiradaptationoperation;changingenvironment;operatingrules;reservoirinflowprojection;
staticconnection;dynamicadjustment
(责任编辑:耿庆斋)
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