Concrete sleeper failures. An analysis of reports sent to the R & D division, covering the period 1965 - 1969 (IM-CES-028)

Deport E560, dated September 1965, entitled "Service Trials and Performance of Concrete Sleepers" indicated that at that time, the most prevalent of visible cracks commence from the top of the sleeper near to the edges of the rail seat, often through a section containing a cast-in component of the fastenings;...