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伴随着我国铁路的高速发展和运行速度的大幅度的提升,大批的既有线都开始进行扩能的改造,其中比较常见的是封锁插铺道岔施工。以营业线封锁180 min,拆除既有线路,插铺P60-12号单开道岔作为示例,对既有线封锁插铺道岔施工技术进行详细的介绍,其中重点讲述了插铺道岔步骤、每个工序时间节点以及道岔横纵移施工工艺流程,希望对未来同类型的既有线封锁插铺道岔施工作业起到一定的帮助作用。
With the rapid development of China’s railways and the substantial increase in operation speed, a large number of existing lines have begun to carry out expansion of capacity expansion. The more common one is the blockade of plug-in turnout construction. Taking the blockade of business lines for 180 minutes, dismantling existing lines and inserting P60-12 single-turnout as an example, the construction techniques of block-inserted turnouts with existing lines are introduced in detail. The steps of the interposing turnouts are mainly described. Each step Time nodes and turn-off vertical and horizontal cross-flow construction process, hoping to have the same type of existing line blockade Interpolation turnout construction work to play a helping role.