FLOOR SLAB CUSHIONING MAT

PROBLEM TO BE SOLVED: To provide a cushioning mat which can be inexpensively provided, without affecting a vibrational relaxation action and other performances. SOLUTION: This cushioning mat A for a railroad rail is arranged between a floor slab for supporting the railroad rail R from below, and a sleeper B for supporting the floor slab from below, so as to relax vibrations. The cushioning mat A comprises at least a cushioning rubber mat part 1 which is arranged in an area below the railroad rail R and equipped with a predetermined spring constant so as to relax the vibrations, and positioning mat parts 2 which are arranged in parts on both the sides, in the longitudinal direction of the floor slab, of the rubber mat part 1 so as to position the rubber mat part 1, respectively, and which are formed of a material different from a material for the rubber mat part 1. COPYRIGHT: (C)2007,JPO&INPIT