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1、j￡瘟交通態(tài)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
