Railway track system comprises bed of mineral ballast with granule size of at least 2 mm, smallest particles consisting of rubber granules and sleepers resting on bed with flexible liner between them and rails

摘要

The railway track system comprises a bed (4) of mineral ballast with a granule size of at least 2 mm, the smallest particles consisting of rubber granules. Sleepers (3) rest on this and a flexible liner (7) is fitted between them and the rails (2).