在既有无缝线路范围内,新建、改建桥涵施工过程中,对长轨的临时断轨处理方法及桥涵竣工后,无缝线路恢复原技术状态和锁定轨温的施工方法。 During the construction of bridges and culverts in the existing seamless railway line, the temporary rail detachment treatment methods for long rails and the construction methods for the restoration of the original technical conditions and the locked rail temperature of seamless rails after the completion of bridges and culverts are completed.