concrete ballast turnout construction method

摘要

The present invention relates to a method of constructing a concrete bed splicer, comprising a first step of removing a neck tie rail and a rail fastener of a conventional installed type sleeping knife from a rail, and a step of chipping A third step of placing and curing filler concrete in the place where the neck is removed so that a predetermined space is formed in a lower portion of the vibration proof fastener, a second step of assembling a dustproof fastener to the rail, And a fourth step of injecting a filler and curing the filler.