CONCRETE SUPPORT FOR RAILWAY TRACK: PRECAST AND IN SITU SLABS.

Keywords: BRITISH RAILWAYS BOARD, CONCRETE, SUPPORTS, RAILWAYS, TRACK, PRECAST, IN SITU, SLABS, DESIGN, PAVED, TIME, INSTALLATION, CLEARANCE, OVERHEAD, ELECTRIFICATION, MAINTENANCE, BALLAST, PLANT, POSSESSION, SLEEPERS, BEAMS, TESTS, RESEARCH, MACHINE LAID, WIRE GUIDED, SLIPFORMS, SLIPFORMING, MACHINERY, PAVING, PROTOTYPES, CONTINUOUS, REINFORCED, PADS, RAILS, PANDROL, FASTENINGS, TRAINS, SPECIAL PURPOSE, RAIL MOUNTED, CAST IN, METHODS, TRANSITION, MAINTENANCE, PUMPING, ASH, FORMATION, VOIDS, COSTS, ECONOMICS, DUFFIELD