水利英語專業(yè)論文

Thereservoirintheapplicationofthewaterconservancy

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Abstract:Thereservoirismakefulluseofwaterresources,toachieveadvantages,theeliminationofthemosteffectiveengineeringmeasures.Reservoircanputthepartofthefloodandexcesswaterlayasidetemporarily,ontheonehand,controlorlightenthefloodthreattothedownstream,ontheotherhanddodetentionrepairdry,withabundantfillavacancy,forirrigation,watersupply,powergeneration,aquacultureandotherconditions.Generallyconsistsofthedam,reservoirspillwayonthewaterorflooddischargetunnel,culvert,etc.Reservoir,thegeneralexplanationfor"detentionstorageandregulatingtheflowofthewaterconservancyprojectbuilding,canuseforirrigation,powergeneration,floodcontrol,andfish."Itreferstothevalleyorriveratthethroattobuildadamformedbyartificiallake.Afterthecompletionofthereservoir,itcanfloodcontrol,waterirrigation,watersupply,powergeneration,fishfarming,andsoon.Naturallakesaresometimesreferredtoasthereservoir(naturalreservoir).Usuallyaccordingtothecapacityofreservoirscalesizeclassification,dividedintosmall,medium,large,etc.

Keywords:Reservoir;Thewaterresources;Irrigation;Pesticides;Dam

1Basicknowledgeofthereservoir

1.1Reservoirandthemainbuilding

1.1.1Reservoirfloodcontrolstandard

Accordingtotheministryofwaterresources,thedepartmentofenergy'sspecifications,accordingtothetotalcapacityofreservoirengineeringcanbedividedintofivekindsofsize,importanceandreservoirbuildingaccordingtoitsfunctionorcanbedividedintofive.Indesignofhydraulicstructures,itneedtobeconfirmedbythebuildingleveloffloodcontrolstandard,canbedividedintothedesignandcalibrationstandard,usuallyexpressedinthefloodreturnperiod.Returnperiodisreferstotheruntime,flood,onaverage,howmanyyears,suchasdesigncriteriaonce-in-a-century,referstoanaverageofonehundredappearedoncemorethanthestandardofflood,thisisfromlong-term'scase,probablytwice,inonehundredafteraonehundreddidnotcometopass.Smallreservoirsinthefloodcontrolstandardsofearthandrockfilldam:small(a)typereservoirlevelofmainbuildingtolevel4,thedesignfloodcontrolstandardisonceevery30to50yearsandcheckoncethefloodcontrolstandardis500;Small(2)typereservoirleveltolevel5,mainbuildingdesignfloodcontrolstandardfor20years,checkthefloodcontrolstandardforthe200a.

1.1.2Themainbuildingofthereservoirs

Insmallreservoirproject,themainbuildingforthedam,spillwayandtheculvert.Belowwegiveintroductiontothestructureandconstructionrespectively.

1.1.2.1Dam

Damisawaterretainingstructure,itsroleistointerceptriver,savingwater,raisethewaterlevel,inordertosatisfytheirrigation,watersupply,powergenerationandtheneedofotherdepartmentsofnationaleconomy,itisthemainbodyofreservoirengineering.Itmakethereservoirbenefitnotonlythecrashcan'tplay,anditwillendangerthesafetyofthedownstream.Asaresult,thedesign,construction,managementmustberesolutelycarryoutthisbasicprinciplestoensuredamsafety.

Damtypemany,accordingtothehighdamandpatternclassificationisasfollows:

(a),inaccordancewiththedamheightwereclassified:Canbedividedintothreeclassesoflowdam,zhongba,highdam.Lowdam,damislessthan30metershigh.Zhongba:damfor30-70metershigh.Thehighdam,damin70meterstall.Smallreservoirsisgenerallylowdam.(2),accordingtothetypeofclassification:Canbedividedintoearthdamandgravitydamandarchdam,buttressdam,etc.Mycountyonsmallreservoirsareearthandrockfilldam.Earthdamisakindoflocalmaterialdam,whichiscomposedofearth,stone,orthegenerationbyrollingintoawaterretainingstructure,thedamtypeiswidelyusedinwaterconservancyproject.Inourcounty,140smallreservoirs,allforearth-rockDAMS.Atpresentthiskindofdamtypeisthemainreasonofthewidescopeofapplication:(1)dammaterialscanuselocalmaterials;(2)isabletoadapttothefoundationdeformation;(3)simplestructure,reliableoperation,easytomaintenanceheighteningorexpanding;(4)constructiontechnologyissimple,lessworkingprocedure,isadvantageousforthemechanizedrapidlytheconstruction.

1.1.2.2Spillway

Spillwayisdrainagebuildingsforanoutletexcessfloods,preventfloodaccident,thereforespillwayisactuallyasecuritydoor,spillwaylayoutaccordingtoitsposition,canbedividedintotheriverbedspillwayspillwayorBanksoftheriver.Riverbed

(2)foundabnormalsignsintime,analysisthereason,takemeasurestopreventaccidents,ensurethesafetyofengineeringapplication.

(3)byin-situobservation,ameasureofthebuildingsintheoriginaldesigncalculationmethodandcalculationofverification.

3Personalopinion

Reservoirfloodcontrolreservoirfloodregulationbytheroleoftwodifferentways,aflood,floodstorag