基于GIS系统的城市供水管网漏损评价方法研究

太原理工大学硕士学位论文基于GIS系统的城市供水管网漏损评价方法研究姓名：郎鹏凯申请学位级别：硕士专业：@指导教师：崔建国20100501IGISIIGISGISGIS1234AHPAHP5GISGISIIIGISIVSTUDYONURBANWATERSUPPLYPIPENETWORKLEAKAGEEVALUATIONBASEDONGISTECHNOLOGYABSTRACTUrbanwatersupplyhasbecomesustainableurbandevelopmentandconstructionoftheimportantconstraints,whichisthelifelineofthecityandtoprotectpeople'slivestheessentialmaterialbasisofproduction.Itisdirectlyrelatedtothesocialstabilityandeconomicdevelopment.Urbanwatersupplynetworkisamajorcomponentofthewatersupplysystem.Agoodpipenetworkandthemanagementofurbanwatersupplywillbedirectlyrelatedtothesocialandeconomicbenefits.However,urbanwatersupplypipenetworkinthecourseofitsoperation,assomecannotbepredictedandcannotcontrolfactors,wouldinevitablymetwithacertaindegreeofdamageitandcauserunningwaterleakage.Overtheyears,pipenetworkleakagehasbeentheimpactofwatercompanythebiggestproblemofpoorsales.Reducingithasbecomeoneofbusinessproblemstobesolved.Atpresent,leakagecontrolismainlytodevelopanumberofleakdetectionmethodsandleakdetectordevice,whichisbasedontherecognitionofpipenetworkleakageathomeandabroad.But,thesemethodsandequipmentallhavesomeproblems,suchaslargeinvestment,lowprecision,themicroscopiceffectiveandsoon.Themainpurposeofthispaperisjudgingthepossibilityofwaterthesizeoftheleakage,whichisbasedonconductingleakagefactoranalysis,andputtingtheevaluatedresultsintopractice.HowtocorrectlyanalyzeandevaluatetheVleakageofwatersupplysituationhavegreatsignificanceontheentirewatersupplynetworkoftheleakagecontrol,andcanbeusedbywatersupplycompaniestomakedecisions,likeleakagedetect,pipenetworkreplaceandsoon,astheimportantbasis.Firstly,alargenumberofsewerleakageonthebasisofthedata,thispaperanalyzedthevariousfactorswhichaffectthepipelineleakage,andmadeanumberofpipelineleakagecontrolmeasures.Leakagefactoranalysiscarriedoutinordertobetterunderstandthemechanismofpipelineleakage.Itisfoundthatthesituationnearthesoilpipelayingandthewaterpressureinpipearethemainfactors.Soilconditionscancauseotherfactorsofleakage,suchasfoundationsettlement,theinterfaceforms,externalpipelinecorrosionandotherchanges,andwhenpipelayingiscompleted,waterpressureistheonlychangesfactorinashorttimeamonganumberoffactors.Pipelayingperiodappearstoclosewiththeleakage,butstudiesshowthatisnotsignificantrelationbetweenthem.Theseresultsarethebasisofselectingtheevaluationfactors,determiningtheweightfactorandstructurefactorevaluationmatrixintheleakageoftheevaluationprocess.Sincetheleakageevaluationisafuzzyevent,theevaluationresultshouldbeexpressedbyfuzzylanguage,thereforeweselectedasthefuzzycomprehensiveevaluationmethodforleakageevaluationmodel.Thispaperalsoanalyzedbycomprehensiveevaluationofseveralelementsneededindetail(includingthereviewsset,factorset,theweightfactorandevaluationmatrix).Secondly,theweightingfactorforthegeneralmethodssuchasexpertscoringwithacertainsubjectivity,thislevelofanalysisisselectedasthemethodofcalculatingtheweightfactor,whichmakesweightdistributionmorereasonable.Takingintoaccountforthelargeandmorecomplexbasicdataofevaluationinwatersupplypipenetwork,thispaperanalyzedtheadvantagesofwatersupplynetworkGIS.Then,itpresentedGISasaplatformtobuildevaluationmodelofvision,andtheGISplatformmoduleintegratedevaluationandfeasibilityVIanalysisrequired.Inthispaper,conclusionsaremade:1)Afteralotofdataonthefindingsofastudyoffactorsaffectingleakageofpipenetworkismainlysoilpropertiesandwaterpressure,whichisgenerallybelievedthatalargeinfluenceservicelifeandnosignificantleakagebetweentherelations;2)Thefuzzyevaluationmethodcombinesboththesubjectivejudgmentsintoanothermathematicalmethod,whichavoidsthepossibleerrorsofsubjectivejudgments,butalsoreducedintheabsenceofsufficientdataover-relianceonmathematicalerrorappears;3)Basedonthisanalysisofdataleakagefactor,theleakageofwatersupplyevaluationprocesshasbeenstudied,andforthemembershipfunctionofthegradepointdifficulttodetermineweresimplified,thatisbasedondataanalysisfactorscore,determinethedegreeofmembershipofasinglefactor;4)ThecombinationofpipenetworkdataanalysisusingtheAHPmethodtodeterminetheevaluationprocessasafactorforweightmethod.AHPmethodtoachieveaqualitativeanalysisandquantitativeanalysisofthecombination,comparedtotheweightdistributionofexpertscoringmethodismorereasonable;5)StudiedthesecondarydevelopmentofGISsystem’spossibility,anditisfeasiblethatotherfunctionsintegratedintheGIS;madeassessmentoftheneedsofleakageanalysisintheGISsystemforfuturebuildsevaluationmoduleprovidesathought.Abovestudypresentedapracticalmethodfortheleakageofsewerevaluation,andprovidedatrainofthoughtforcontrollingleakageofwatersupplyenterprises.KEYWORDSWatersupplypipenetwork,leakageevaluation,fuzzycomprehensiveevaluationmethod,geographicinformationsystem11.126%2.8m36199714913668400108[1][1][2][3][2]2[4]19857.1200320.7200627%35%-42%[3]0.5mpa5mm32m320011680m31.2/14016/[5]1.2[6]1.2.1[7]3[7]80198075[2]1[2]2[2]34ababab[9]4[9]5[3][5][9]6ELSB()[9]7)[5][9]58)A[3]B[3]C[5]1.2.21)[3]23)“theartinthewaterindustry”4SCADA(SupervisoryControlandDataAcquisition)SCADA(RTU)6[5]1.2.3[11-14]1[11]2[10]S