土木工程概论（英文版）Chapter 6 Hydraulic EngineeringPPT课件下载推荐.pptx

土木工程概论（英文版）Chapter 6 Hydraulic EngineeringPPT课件下载推荐.pptx

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andinminingtheflowofviscousdrillingfluids,orepulpsandhydraulicfilling.,HydraulicEngineering,Waterusage:

IrrigationHydroelectricpowergenerationStorageforfloodcontrolStorageforwatersupplyStorageofwaterfornavigationMultipurposedamDams:

Theyaremassivestructuresbuiltforstoringwater.,HydraulicEngineering,Waterresourceengineering:

Waterresourcesengineeringusuallydealswiththeapplicationoffluidmechanicsprinciplestowaterflowproblems,butmayalsoincludefluidsrangingfrombloodtomagma.Engineeringhydrologyquantifiesthedistributionandmovementofwaterintheenvironment.Someproblemsencounteredinwaterresourcesengineeringinclude:

floods,sedimenttransport,watersupply,waveforces,hydromechanics,andtheprotectionorrestorationofsurfaceandgroundwaterresources.,HydraulicEngineering,Waterresourceengineering:

Engineersinthehydraulics/hydrologyareamayspendtheirtimewithappliedmathematics,laboratoryexperimentation,orfieldconstructionandtesting.Theskillsnecessaryrangefromimaginationandcommonsensetosophisticatedanalyticalandcomputermodelingability.,HydraulicEngineering,Classificationasperthestructure:

Damasstructurehastoperformtwomajorfunctions:

1.Withstandheavypressureofwater;

Toavoidseepageofwater,throughthestructureandthroughthefoundation.,HydraulicEngineering,Gravitydams:

itisonewhichbearsthepressureofwaterandotherexternalforcesbyitsownweightalone.Archdams:

Anarchresiststhewaterthrustbyarchaction,andtransmitsthereactionforcetothetwoabutments.Embankmentdams:

Itwithancorearrangementtopreventwaterpercolationisanembankmentdam.Earthendams:

Theyarecheaptoconstructandrequirenoskilledlabour.,HydraulicEngineering,Componentsofadam:

Thefollowingaremajorcomponentsofadam:

RiversluicesCanalsluicesSurplusworksDrainagegallery,HydraulicEngineering,Watersupplyengineering:

Watersupplyengineeringisconcernedwithsupplyingenoughqualityofassuredwatersupplyforallhumanactivitiesinatown,villageandcity.ThemajorfunctionsareToestimatehowmuchquantityofwaterisneededforthepresentandthenextfewyearsToinvestigatewheretogetthatmuchwaterToestablishhowtotakethewaterfromthesourcetothetownToknowwhatisthequalityofthewateravailableandwhatarethetreatmentsneededtobringthewatertothetheexpectedstandardsToproposethestorageanddistributionofwater,HydraulicEngineering,Waterrequirements:

Waterrequirementisstatedasthequantityrequiredperperson,statedasusuallypercaptiaperdaySourcesofwaterInfiltrationgalleriesRequirementofsource,HydraulicEngineering,Componentsofwatersupplyschemes:

HydraulicEngineering,Watertreatment:

ScreeningAerationSedimentationFiltrationDisinfectionSoftening,HydraulicEngineering,ReviewQuestionsWhataredams?

Howaredamsclassifiedasperitsstructure?

Whatisamultipurposedam?

Explaintheprincipleofagravitydams.,