事故灾害条件下高速铁路列车开行方案制定相关问题分析

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1、，ABSTRACTABSTRACT：SincethelasthalfcenturyofHigh—speedrailwaydeveloppingoconsiderableresearcheshadbeendoneundernormal—conditontrainoperationplanbothinChinaandinabroad．Buttherearenotmanyresearchesonthetrainoperationplanunderaccidentdisasterconditions．BecauseoftheHigh—speed，high—griddensityandoth

2、ercharactersofHigh-speedrailway,theimpactonHilgh—speedrailwaytransportationisgreaterthantheexistingrailwaytransportation．InthewholeplanofChina,therewillbe18，000kmHigh—speedrailwaylinein2020，anditislongerthanthe6000kminothercountriesandregions．Itwillbeunprecedentedforhighspeedrailwaytransportat

3、ionnetifaccidenthappenssuddenly．SothereisprofoundpracticalsignificancetomakeresearchonHigh-speedrailwayoperationschemeformulatingunderaccidentdisasterconditionsfortheHigh-speedrailwaytransportationschedulingunderunnormalconditions．UnderthebackgroundoftheBeijing·-Shanghaihigh·-speedrailwayinthe

4、paper,theprinciplesofestablishingtherailwaygeographicnetworkthatregardinghigh-speedrailwayasthecenteralefirstlyformulated，andthenaccordingtotheprinciples，therailwaygeographicnetworkaroundBeijing-Shanghaihiglaspeedrailwayisestablished，whichincludesthemainrailwayline，such嬲Beijing-Shanghaihigh-sp

5、eedrailway,Beijing-Shanghaiexistingrailway,Beijing-Harbinrailway,Beijing-Kowloonrailway,Shijiazhuang-Taiyuanrailway，Longhairailway(newLonghai)，Hefei—Nanjinghighspeedrailwayetc．Theanalysisandresearchontheinfluenceresultsofaccidentdisastersforthestationandlinewhicharetheelementsoftheroadnetworkm

6、odelismade,andtheemphasisoftheresearchissetontheinfluenceofaccidentdisastersforthetrainandpath,inwhichtheanalysisonthenecessityandfeasibilityofhigh-speedtrainrunningacrosstheexistinglineismadefromtheaspectsoflineconnection，linecapacityandtractionpowersupplymodeandSOon．Andthen，theresearchonthef

7、ormulationandoptimizationoffeaSiblepathsetforhigh—speedtrainrunningacrossexistinglinesundertheconditionofaccidentdisaSterswiththeUSeofwidthprioritypluspruningsearchalgorithm．Basedontheproposedresearch,andtakingtheinfluenceofaccidentdisa