黄河宁夏段河道治理技术应用集成与分析

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1、Abstl"actTitle：THEAPPLICATIONANDRESEARCHONTHERIVERREGULAlTIONFORNINGXIASECTIONOFYELLOWRIVERMajor：HydraulicEngineeringName：ZhengliDuSupervisor：Prof．JianlinLiuS．E．Ta0Yang—AbstractWiththerapiddevelopmentofsocialeconomy,theabilitythatthenatureistransformedbyhumanbeingisgrowing，whilethepeople’Sneces

2、sariesandexpectationforecologicalenvironmenthavebecomemoreandmorepressing．Theriversplayanimportmantrole，notonlyinthepreventflood，disasterreductionandwatersupply,butalsoinsomeaspectsofeconomy,waterresourcessecurityandregionalenvironment．NingxiasegmentoftheYellowRiveristhemostessenceoftheupperand

3、middleYellowRiver．TheYellowRiverirrigationregioninNingxiahasbeenreputedassouthChinabeyondtheGreatWall．Forthepastmanyyears，theNingxiasectionoftheYellowRiverWasaffectedbyclimateandhumanactivity．Ithadchangedenormously,suchaslesswaterandmoresediment，thelargedepositionofsediment，theriverbedraisegrad

4、uallyandthereductionofflooddischargecapacity．Theseproblemsarepuzzlingmanywaterconservancyworkersforgenerationaftergeneration．Howtousetherivercontroltechnologycorrectlytousewaterresourseffectively,improvethedepositsituationoftheNingxiasectionoftheYellowRiverandconsummatethefloodcontrolsystemofth

5、ewholeYellowRiver,isaproblemdemandingpromptsolution．ThispaperisbasedontherivercontroltechnologyandexperimencesummaryoftheNingxiasectionoftheYellowRiver．Thehydrology,wather,floodcontrol，icepreventionandhydrologicgeologyareanalysedfirstly．Basedonthispremise，thesituationofsedimentandinriverregimec

6、hangeareanalysed．Themaintechnologyofrivercontrolanddy’keconstructionisdetailed．Eachtechnologyisanalysedcomparatively．AnewmethodofTechnologyIntegrationaboutYellowRiverregulationissuggested．ThebenefitofRiverregulationisanalysed．．Someconclusionshavebeenobtainedasfollows：西安理工大学专业学位论文(1)Usingtheobse

7、rvationdataoftheYellowRiverformanyyears，thecharacterofthewaterevolution，thechangeofscouring，thevariationofriverregimeandthecurrentsituationaboutfiverregulationisanalysed．TheincomingsedimentoftheYellowRivermainstreamisanalysedandth