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面对天津市地方铁路李港线近年来运量逐年增加、列车多次提速、施工要点越来越紧的现状,针对以往铺设和更换道岔及交叉渡线时间长、要点紧、人工投入大等问题,在总结以往施工经验的基础上采用提前预铺、整体移入的施工工艺,从准备好预铺场地、道岔及交叉渡线进行整体加固、严格控制岔位、做好移入过程中的施工组织等方面做好施工工作,缩短了要点时间,保证了道岔及交叉渡线的移入质量。
In the face of the situation that the traffic volume of Li-Jin railway in Tianjin City has been increasing year by year in recent years, the speed of train has been increased several times, the construction points have become increasingly tight. In view of the long time of laying and replacing turnouts and crossing crossovers, Problems, based on the previous construction experience, the construction technology of pre-paving and overall moving in should be adopted, the overall reinforcement should be carried out from the prepared site, turnout and crossing crossing, the fork position should be strictly controlled, and the construction organization And other aspects of construction work, shortening the key points of time to ensure that the turnout and crossing the crossover quality into.