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ID:57422443
大小:7.77 MB
页数:100页
时间:2020-08-18
《CRTSIII型板式无砟轨道建造全新理念课件.pptx》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、目录CONTENT一、总体研发思想Ⅰ、OverallResearchandDevelopmentThought二、技术特点Ⅱ、TechnicalCharacteristics(一)结构简单1.simplestructure(二)施工便捷2.convenientconstruction(三)稳定耐久3.stable&durable(四)方便维修4.easymaintenance三、社会及经济效益Ⅲ、SocialandEconomicBenefits一、总体研发思想Ⅰ、OverallResearchandDevelopmentThoughts轨道交通是一种低碳、节能、环保的绿色交通。随着高
2、速铁路时代的到来,为中国老百姓带来了更加方便、快捷、安全、舒适的出行选择。Railtransitisonekindoflow-carbon,energy-saving,environment-friendlygreentransportation.Withtheadventofhigh-speedrailwayage,itismoreconvenient,morecomfortable,saferandfasterforthecommonpeopletomakeatrip.而高速铁道无砟轨道发展的技术路线,实质上就是始终坚持不断地追求轨道的高平顺性,和轨道结构纵向刚度均匀化的连续性。这
3、是确保高速列车安全性和舒适性最关键的核心技术。Thusthedevelopmentofhigh-speedrailwayballastlesstrack,infact,mainlyfocusesonhighsmoothnessfortheorbitandcontinuityoflongitudinalrigidityhomogenizationfortherailstructurewhicharethemostcrucialkeytechnologytomaintainthesecurityandcomfortabilityofhigh-speedtrain..因为,轨道几何尺寸的制造
4、精度、安装误差和刚度变化是引起高速列车振动的根源。我们追求高速度的过程,就是不断的提高轨道精度和轨道结构刚度均匀性,不断克服振动的过程。Sincethemanufactureaccuracyoftherailgeometrysize,installationerrorsandrigiditychangearetherootcausetoresultinvibrationofhigh-speedtrain.Thatwepursuithighspeedistokeepimprovingtheprecisionandlongitudinalrigidityhomogenizationfort
5、herailstructureandovercomingthevibrations.CRTSIII型板式无砟轨道技术特点,正是针对上述技术关键,吸取了以往各类无砟轨道优点,从而研发的一种结构简单、施工便捷、稳定耐久、方便维修的全新无砟轨道结构。Inviewofthekeytechniquesmentionedabove,thetechnicalcharacteristicsofCRTSⅢballastlesstrackwhichisdevelopedasakindofbrand-newballastlesstrackofsimplestructure,convenientconstru
6、ction,easymaintenance,stable&durablehastheadvantageofallkindsofpreviousballastlesstrack.总体的研发思想:就是“单元思路、纵连方式、双块受力”。其核心理论构架就是“路基纵连、桥隧单元、方便维修”。TheoverallR&DthoughtisUniteideas,Longitudinalcoupled,Double-blockforced.Itscoretheoreticalframeworkislongitudinal-coupledsubgrade,bridgeunit,easymaintenanc
7、e.二、CRTSIII型板式无砟轨道技术特点Ⅱ、TechnicalCharacteristicsofCRTSⅢballastlesstrack(一)结构简单Ⅰsimplestructure1、结构组成1、structurecomposition轨道板:路基纵连,桥隧单元;Trackslab:longitudinal-coupledsubgrade,bridge&tunnelunit填充调整层:自密实混凝土;Packedadjustmentlay
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