Concrete sleeper deterioration. Investigation of failures in a length North West of Blair Atholl, Scottish Region (TM-CES-063)

In 1983, the Scottish Region reported that some concrete sleepers in the up line North Vest of Blair Atholl were disintegrating. They were manufactured by Costains at Hoddesdon (Herts) in 1977, and laid in 1978. At the time (1983), the phenomenon of "Alkali-Aggregate Reaction" in concrete was becoming prominent...