梅江、汀江調峰影響河段設計水位的推算及航道整治研究.pdf

1、河海大學碩士學位論文梅江、汀江調峰影響河段設計水位的推算及航道整治研究姓名：李宇申請學位級別：碩士專業(yè)：水利工程指導教師：徐金環(huán)程健20070501AbstractningRiverwhichhas38kilometersinCmangDongprovinceisamainbranchofHanfiverQingxiHydropowerStationwasbuiltinDecember1993Thishydropowerbelongst

2、oarunofftype，inwhichfourgeneratorswereinstalledwithapowergeneratingcapacityupto4X36104kilowattand、砘也asinglegenerator’Spowergeneratingflowcapacityupto209m3／sItbelongstoadailyregulatingreservoirXiKouHydrographicStationislo

3、catedinthedownriverabout43kilometersfarfromQingXiHydropowerStationandinthedowndverofXiKouHydrographicStationabout26kilometersfromitthereisSanHeBaWaterLevelStationn倫fiversectionstudiedisfromChayangPortwhichislocatedinthed

4、ownriverabout6kilometersfromQingxiHydropowerStationtoSanHeBa26kilomctresfromQingxiHydropewerStafiomThelengthofthemainsteamofMeiRiveris307l(ilometersThelengthofthefiversectionfmmMeiRiverBridge，MeiJiangCitytoSanHeBais82kil

5、ometersBetweenthemtherearefourhydraulicterTaeesFromuprivertodownriverthereareXiYangBingCunDanZhuWo，andPengLaTanwhichallbelongtodailyregulatingreservoirs，andwerebuiltandbegantogenerateelectricityin1997，attheendof2003，inJl

6、llyj001，andinMay2002respectivelyBystudyinghowtodefineanddesignthewaterlevelsofthedyerssuchasDingRiverWhichageseriouslyaffectedbyregulatedfloodpeaksandhavenonbaseflowthepaperputsforwardthemethod，thatisthelowestwaterlevela

7、ccumulationfrequencyFirstlyputtingforwardsucharesearchmethodisbasedonQingXJHydropewerStationafloodpeakregulatingrunoffhydropowerstationwithouttheguaganteeofbaseflowRegulatingthefloodpeaksseriouslyaffectsthedowuriversaect

8、ionsandresultsintheseriousdowncuttingofwaterlevelsSecondlythedistancebetweenahydrographicstationandahydropewerstationcannotbetoofarByaglalyzmgthisCase，wehadbetterkeepthedistancewithin35kilometers，forsucharesultcorrespond