铁路车站咽喉通过能力计算方法[]（calculation method of throat capacity of railway station []）

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1、铁路车站咽喉通过能力计算方法[1]（Calculationmethodofthroatcapacityofrailwaystation[1]）Tenthvolume,sixthissueDecember2010JournaloftrafficandTransportationEngineeringJournal,of,Traffic,and,Transportation,EngineeringVol,10,No,6Dec.2010Receiveddate:2010-07-06ProjectsupportedbytheNationalNaturalScienceFounda

2、tionofChina(70971140)Biography:TangBo(1984-),male,Hunan,Liuyang,CentralSouthUniversity,doctorofengineering,postgraduate,engagedintransportationoperationsmanagementandoptimizationresearch.Biography:LeiDingyou(1958-),male,HunanLiuyangperson,CentralSouthUniversityprofessor.Articlenumber:1671

3、-1637(2010)06-0069-06CalculationmethodforpassingcapacityofrailwaystationthroatTangBo,LeiDingyou,ZhangYinggui,WangXinyu(Schooloftrafficandtransportationengineering,CentralSouthUniversity,Hunan,Changsha410075)Abstract:inordertoefficientlycalculatethethroatcapacityofrailwaystation,therouteis

4、takenastheobjectandthethroatissaturatedCalculationofoccupancytimeasthecoreofthe5stepmethod.AmultinomialpolynomialequationbasedontheprincipleofmultipledivisionandfewadditionofprobabilitytheoryisdeducedAcompletesubgraphsearchalgorithmbasedonparallelrouteassociationgraphisdesignedtodetermine

5、thecoefficientsoftheequationThestateiscalculatedasanexampleofthethroat.Theresultsshowthatthethroatpasscapacityis503columns,occupying43#,45#and53#switchesThenumberoftrainsis102,andtheutilizationcapacityofthetrainis75%whencalculating.Thus,thecalculationmethodismoreoperable.Keywords:railwayt

6、ransportation;railwaystationthroat;throughcapacity;routeoccupancytime;throughcapacityequationCLCnumber:U292.51,documentmarkcode:ACalculating,method,of,carrying,capacity,for,railway,station,bottleneckTANG,Bo,LEI,Ding-you,ZHANG,Ying-gui,WANG,Xin-yu(School,of,Traffic,and,Transportation,Engin

7、eering,Central,South,University,Changsha,,Hunan,China)Abstract:In,order,to,calculate,the,carrying,capacity,of,railway,station,bottleneck,efficiently,aNew,kind,of,calculating,method,with,,steps,was,put,,forward.,The,method,took,stationBottlenecks,routes,as,object,and