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1、水利水电工程设计（WaterconservancyandHydropowerEngineeringDesign）Inthehighschool1F411020waterconservancyandHydropowerEngineeringDesign1f411020waterconservancyandHydropowerEngineeringDesign1f411021masterwaterconservancyandhydropowerprojectclassificationandengineeringcharacteristicwat
2、erlevelProposition1Divisionofwaterconservancyandhydropowerprojects1.accordingtoitsengineeringscale,benefitandimportanceinnationaleconomy,thegradeofwaterconservancyandhydropowerprojectisdividedintofivegrades,whichisdeterminedbytable1f411021-1Plainareaof@#2@#.Examples:anirrig
3、ationpumpingstationinstalledpowerof12000kW,theinstalledflowis150/s,thestationprojectscale()(2007Zhenti)Alarge(1)typeBlarge(2)typeCmediumsizedDsmall(1)typeAnswer:B@#4.waterdiversionproject,etc.4.thediversionprojectshouldbedividedaccordingtothesizeofthediversionflow(addedcont
4、ent)Idon'tlikeengineeringIIIVv.Thesizeoftheprojectislarge(1),large(2),mediumsmall(1),small(2)typeTheflowofwaterdiversion(/s)=200200~5050~1010~2<2ClassificationofhydraulicstructuresofProposition21.gradesofpermanenthydraulicstructuresMajorbuildings,secondarybuildings,minorbui
5、ldings,minorbuildings,etc.I13IV4523V,5534.@#proposition3floodstandardofwaterconservancyandHydropowerEngineering@#1.plainzonepermanent1.thefloodstandardofpermanenthydraulicstructuresinplainareaisdeterminedbytable1f411021-10.Thecapacityof@#propositionpointfeaturelevel4reservo
6、irandthereservoircharacteristicsCharacteristicwaterlevelandreservoircharacteristicstoragecapacityofproposition4reservoir(1)characteristicwaterlevelofreservoir1.checkfloodlevel.Whenthereservoirmeetsthedam'scheckflood,thehighestwaterlevelisreachedbeforethedam.2.designfloodlev
7、el.Whenthereservoirmeetsthedesignfloodofthedam,thehighestwaterlevelisreachedbeforethedam.3.floodcontrolhighwaterlevel.Whenthereservoirmeetsthedesignfloodofthedownstreamprotectionobject,thehighestwaterlevelreachedbeforethedam.4.floodlimitlevel(floodlimitlevel).Theupperlimitw
8、aterlevelallowedbyreservoirduringfloodseasonisalsothestartingwaterlevelduringflood
