To lay out carriage rail type rate in carriage rail rail batter measure construction method of the possession roadbed raceway and

摘要

PROBLEM TO BE SOLVED: To provide a construction method for measures against the depression of a rail joint of a ballasted track, which can take gradual restoration measures against the depression of a rail by equipping a rail joint part with a gradual restoration means, which can reduce maintenance work, which can keep a lid on cost required for the maintenance work and which can improve riding comfort, and a pad structure of the rail joint part.;SOLUTION: In this construction method for the measures against the depression of a rail joint of the ballasted track, a resin-filled bag 4 and a sleeper mat 5 are laid on the undersurface of a sleeper 3A of the rail joint part; sleeper mats 10 are laid on the undersurface of front and rear sleepers 3B adjacent to the sleeper 3A of the rail joint part; a resin-filled bag 11 is laid between top surfaces of the front and rear sleepers 3B and an undersurface a rail tie plate 6; and the riding comfort is improved by taking the gradual restoration measures against the depression of the rail joint part by the action of gradually restoring the depression of the rail joint part and the rails in the front and rear of the rail joint part to an original state.;COPYRIGHT: (C)2006,JPO&NCIPI