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1、华中科技大学硕士学位论文AbstractInrecentyears,humanlivesandpropertyareseriouslythreatenedbyfrequentwaterloggingincities,whichalsoexposedthatthecurrenturbandrainagesystemcannotadapttotherapiddevelopmentofconstructionsaswell.Underthisbackground,theurbanwaterloggingcontr
2、olisimminenttothedevelopmentofmoderncitiesandthesafetyofcitizens.However,solvingtheproblemofurbanwaterloggingneedsaccuratedetailedcomprehensivesimulationofthedrainagesystemandtheurbanwaterloggingriskassessment,whichisaimedtomaketheoptimizationofengineering
3、schemefortheurbandrainagesystemplanning,design,management,decision-making,andprovidestrongtechnicalsupport,etc.Inthispaper,onthebasisofpreliminaryanalyzingthecausesofurbanwaterloggingdisaster,thewriteradoptsDHIMIKEFLOODbusinessmodelsoftwaredevelopedbyDanis
4、hcompany,andtheQingshanChemicalZoneBeihusysteminWuhanwastakenasanexampleapplicationoftheurbandrainagesystemmodeltocarryouttheurbanwaterloggingriskassessment.Intheconditionofactualrainfall(July7,2013),bothcouplingmodelsofaone-dimensionalurbandrainagepipenet
5、worksystemmodel(MIKE(URBAN)andtwo-dimensionalcitysurfaceflowingmodel(MIKE21)wereestablishedtoassessthepresentsituationofBeihudrainagewaterloggingtocomparetotheactualwaterpoints,demonstratingthescientificityandaccuracyofthemodel.Whentherainfallwasdesigned,t
6、heDHIMIKEFLOODcouplingmodelwasrecreatedandruntodeeplyassessthestatusquoofthedrainagedrainageability,whichshowedthattheBeihusystemcaneffectivelycopewith5yearsrainfallreturnperiod,andthe46.4%statusquoofthedrainagepipefailtomeetthebasicrequirementofthe1yearre
7、turnperiod.Onthebasisofthese,thereasonswhichcausesthewaterlogginginBeihusystemwasanalyzedandaplanningschemeofwaterloggingsolutionwasdrawupaswell.Basedonthein-depthstudyofthestatusquoofthedrainagesystem,theDHIMIKEFLOODmodelsoftwarewasadoptedasthetechnologyb
8、asetomaketheoptimizationanalysisofthetwosolutions,oneiscentralizedexpansionoftheBeihupumpingstationII华中科技大学硕士学位论文andtheotheristheexpansionoftheoriginalBeihupumpingstationwithnewconstructionofBeihubrakepumpsta
