SLEEPER, SLEEPER LAYING METHOD, AND SLEEPER MANUFACTURING METHOD

摘要

PROBLEM TO BE SOLVED: To provide a sleeper capable of being easily handled by virtue of its light weight during laying work and capable of sufficiently preventing displacement on ballast by virtue of its heavy weight after being laid, and a sleeper laying method.;SOLUTION: Cavity parts (12a, 12b and 12c) are provided within a rectangular parallelepiped-shaped sleeper body (11) that is formed of a composite material, and a communication part communicating with the cavity parts from any one of regions on a surface is provided. In addition, partition parts (13a and 13b) for separating a recess are provided in a region corresponding to a location for being loaded with a rail after laying of the sleeper body. Furthermore, a locking fitting (15), to which a component of a rail fastener is locked, is provided on a top surface pf the partition part.;SELECTED DRAWING: Figure 1;COPYRIGHT: (C)2018,JPO&INPIT