The technique economy of the high-speed railway ballastless track

As the new Guangzhou station experiment stage on Wuhan-Guangzhou passenger special line and experiment of track-laying on Qinhuangdao-Shenyang passenger special line for example,this paper gives a comparative analysis to the traditional ballasted track and ballastless track at technique and economy.The comparing analysis of the application situation of the ballastless track is given in general structure property,manufacturing and construction,track maintaince and other aspects.To guide the type selection and design of high-speed railway traditional ballastless track.