According to the engineering experiences obtained from the laying of a jointless track of high-speed communication line-Line 3 in Dalian City, this paper introduces in general the laying technology, particularly the long rail welding, the construction sit
According to the engineering experiences obtained from the laying of a jointless track of high-speed communication line-Line 3 in Dalian City, this paper introduces in general the laying technology, particularly the long rail welding, the construction sit
摘要根据大连市快速轨道交通3号线一次性铺设碎石道床无缝线路的工程实践，介绍了长钢轨基地焊接、单元轨节的工地焊接；无缝线路锁定和钢轨伸缩调节器的铺设等技术，并对长钢轨焊接和无缝线路铺设中应注意的问题进行了探讨。