【英文文献及翻译】中国高速铁路chinahigh-speedrailway

【英文文献及翻译】中国高速铁路chinahigh-speedrailway

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时间:2018-10-31

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1、兰州交通大学毕业设计(论文)ChinaHigh-SpeedRailwayAstheeconomicgrow,intercitytraveldemandhasincreaseddramaticallyintheGreaterChinaArea.Traditionalrailwayscanhardlysatisfythepassengerandfreighttraveldemand,highspeedrailishenceproposedandconstructedafter1990s.Thisstudyaims

2、tointegratecurrentdevelopmentofbothrail-basedandMaglevhighspeedtrainsinthisarea.From1997,Taiwankicked-offitshighspeedrailconstructionbyimportingthetechnologyofJapaneseShinkansen.TheTaiwanHighSpeedRailisa15-billionUSdollarsproject.Tosavethecostofconstruction

3、andmanagement,theBOTmodelwasapplied.Thoughnottotallysatisfied,thisprojectisstillsuccessfulandreadytooperateinthe4thquarterof2007.Chinaispreparingitshighspeedrailservicesbyupgradingcurrentnetworks.Thecapacityandoperatingspeedareallincreasedafter5-timessystem

4、upgrade.The6thupgradewillbeinitiatedin2006.Bythen,trainswillrunataspeedof200km/hinatotaldistanceof1,400kmin7differentroutes.FromthewhitepaperpublishedbytheMinistryofRailwayinChina,therewillbetotally8rail-basedHighSpeedTrainservices.FourofthemareNorth-Southb

5、ound,andfourofthemareEast-Westbound.5ofthe8HighSpeedRailsarenowunderconstruction,thefirstlinewillbefinishedin2009,andthe2ndonewillbein2010.By2020,therewillbetotally12,000kilometershighspeedrailservicesinChina.The250billionUSdollarsconstructioncoststillleave

6、ssomeuncertaintiesforalltheseprojects.Finally,thefutureoftheMaglevsysteminChinaisnotsobrightasrail-based.Shanghaiairportlinecouldbethefirst,alsothelastMaglevprojectinChinaiftheapprovedShanghai-Hangzhoulinecannotraiseenough4.4billiondollarstobuildit.Steelrai

7、lcompositionSteelrailiscomposedofiron,carbon,manganese,andsilicon,andcontainsimpuritiessuchasphosphorous,sulphur,gases,andslag.Theproportionsofthesesubstancesmaybealteredtoachievedifferentproperties,suchasincreasedresistancetowearoncurves.Thestandardconfigu

8、rationforNorthAmericanrailresemblesanupsidedownT.ThethreepartsofT-railarecalledthebase,web,andhead.Theflatbaseenabledsuchrailtobespikeddirectlytowoodencrossties;later,railwasplacedonthenow-standardstee

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