everything about rail system…

Tag Archives: concrete


Track Structure

The track on a railway (non-US) or railroad (US), also known as the permanent way, is the structure consisting of the rails, fasteners, sleepers and ballast (or slab track), plus … Continue reading

Cut and Cover

Construction Methodology In a cut and cover tunnel, the structure is built inside an excavation and covered over with backfill material when construction of the structure is complete. Cut and … Continue reading