Railway sleeper and its sleeper shoe

摘要: The sleeper consists of at least one rigid block (2), especially concrete, with its lower part set in a boot (20) molded e.g. from thermoplastic or resin concrete. is the form shell an inner sole (33) and pre-stressed segments (39, 40) which are elastic response to compression shearing forces. fitted detachably independently block, upper edge has seal between it block.