高速铁路开通后既有繁忙干线运能计算与分析方法分析

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1、j￡瘟交通态堂童些亟±堂僮i金塞△旦墨!醛△￡至ABSTRACTABSTRACT：Basedonthetheoreticalresearchbothathomeandabroad，thispapergivesadetailedanalysisoftheinfluenceofthedifferentfactorsontherailwaycarryingcapacityanditalsoanalyzesthethreeexistedcarryingcapacitycalculationmethod：theana

2、lysiscalculationmethod，themodelingcalculationmethodandthemethodofsimulationdiagramdrawing．Bycombiningtheadvantagesofthethreemethods，thispaperproposesanewmethodofcarryingcapacitycalculationforrailwaysystem．Firstofall，basedonthetraditionalanalysiscalculation

3、method，directcalculationmethodandindirectcalculationmethodforthereleasedcarryingcapacityafterhilghspeedrailwayisopenisstudied．Usinganalysiscalculationmethod，aroughapproximationofthecarryingcapacityofrailwayCanbeobtainedquickly,whichprovidereferenceforother

4、calculationmethods．Next，thispaperproposesanewconcept，whichistrainoperationdiagramstructureunit．Inthispaper,theadvantagesofunitizedstructureandtheconditionsneededareanalyzed．Inthetrainoperationdiagramstructureunit,thetrainoperationmode，thetrainnumberandthet

5、rainstopplanisdesigned．ThenthemathematicalmodelisestablishedandtheILOGsoftwareisusedtosolvethemodel．Whenthetrainoperationplanisdeterminedandusingthismodelingcalculationmethod，trainoperationdiagramdrawingplaninthestructureunittargetingofminimizingthetotalru

6、nningtimeCanbequicklyobtained．Thisprovidestheoreticalbasisforsimulationdiagramdrawingintrainoperationdiagramstructureunit．Moreover,thispaperproposesthesimulationdiagramdrawingmethodbasedontrainoperationdiagramstructureunitanddetailsthestepsofthismethod．The

7、n，itcomparesthesimulationdiagramdrawingmethodandoptimizingcalculationmethodandgivescarryingcapacitycalculationmethodbasedontrainoperationdiagramstructureunit．Theadvantagesandfeatureso．fthecalculationmethodarethenanalyzed．Eventually,theexistingHarbin—Dalian

8、railwaylineisusedasallexample．TheanalysiscalculationmethodandthenewlyproposedsimulationdiagramdrawingmethodbasedontrainoperationdiagramstructureunitarebothusedtocalculatethecarryingcapacityoftheexistingHarbin