TRACK REPAIR METHOD

摘要

PROBLEM TO BE SOLVED: To provide a track repair method which enables the efficient and reliable execution of work for filling a cavity formed in ballast.

SOLUTION: In a track repair method, a deformed track is repaired by filling a cavity 5 formed under a sleeper 2 of ballast 6 where the sleeper 2 is laid. A bolt 9 for fixing the sleeper 2 and a rail 3 to each other is detached from a bolt hole 2a vertically passing through the sleeper 2; a nozzle is inserted from above the bolt hole 2a; and a repair material is introduced into the cavity 5 via the nozzle.

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