Page 25 - 2022年第53卷第9期
P. 25

Studyonadaptiveintelligentcoolingstrategyforlow - heatcementRCC

                                                   2
                                 1
                                                                                     2
                                          1
                                                                     1,3
                         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)






              (上接第 1027页)
                     State - of - the - artreviewofreservoiradaptationoperationinchangingenvironment

                                                                              1
                                                                                        3
                                                                 1
                                           1
                                                     2
                                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)


                —  1 0 8 —
                     3
   20   21   22   23   24   25   26   27   28   29   30