Abstract : main construction method of seamless railway at home and abroad is introduced . construction method of railway laying machine model pk1 - 20es ， svm1000 ， svm1000s and tcm60 is compared each other . long railway laying machine ntc which was used at qing - shen passenger seamless railway is described in detail 文摘:介绍了国内外无缝线路施工的主要方法，对pk1 - 20es型铺轨机、 svm1000及svm1000s型铺轨机以及tcm60型铺轨机施工方法作了比较，并结合秦沈客运专线无缝线路施工对ntc型长钢轨铺设机的应用作了较详细介绍。
