浅析客运专线无砟轨道施工关键技术

阐述了无砟轨道施工技术发展现状，分析了无砟轨道施工的重难点，探讨了无砟道岔施工关键技术，归纳了无砟轨道的优缺点，指出无砟轨道的工程费用较高但维修费用适中，无砟轨道的应用将日益广阔。

Constructional key skill of transporting no fragment orbit track

The paper states the developrnent of constructional skill for no fragment orbit track, analyzes focal points and difficult points of the track's construction, discusses about constructional skill of branch track, it also concludes merits and shortcomings of the track, and points out that project cost of such track is relative high but the maintenance cost is moderate, such track could be used extensively.