论文部分内容阅读
文章结合京广线第六次提速更换60kg/m钢轨12号单开可动心轨提速道岔的施工,总结了既有线更换提速道岔的工艺过程,并对施工工艺进行了总结,可做为既有线更换可动心轨提速道岔施工参考。
This paper summarizes the technological process of exchanging speed-increasing turnout with existing line by summarizing the construction process and summarizing the construction technology, combining with the construction of No. 60 single-speed movable hearth speed-increasing switch with 60kg / Reference for the Construction of Replaceable Movable Railroad Speed Switch.