threshold base

Abstract

Sleeper base (1) for attachment to an underside of a track sleeper (3) opposite the rails (2), wherein the sleeper base (1) comprises at least a first, preferably porous, material component (4) and at least a second, porous material component (5) different from the first material component (4), wherein the first material component (4) is more elastic than the second material component (5) and the second material component (5) is more plastic than the first material component (4), wherein the first material component (4) is arranged exclusively in a first layer (6) of the sleeper base (1) and the second material component (5) is arranged exclusively in a second layer (7) of the sleeper base (1).