Concrete sleeper performance loading tests on recovered sleepers (a supplement to report TM-CES-104 dated Aug 1988) (TM-CES-120)

Mention has been made at the Concrete Sleeper Working Party (minute 82/77), and in several recent Research Department reports on concrete sleeper performance, of the fact that where different manufacturing batches of sleepers have been laid at the same time in the same length, the development of defects has been...