Concrete sleeper performance individual results from random surveys on the East Coast main line (including Doncaster-Leeds) (IM-CES-052)

Report TM CES 069, dated July 1986, presented information on visible sleeper defects in 30 randomly selected lengths on the West Coast Main Line (including the principal branches). The lengths surveyed each contained 500 consecutive nominally similar concrete sleepers, and they were examined by the Research Division. The defects...