TY CONF TI RESULTS OF METAL ENDURANCE TESTS OF BRIDGE SPANS THAT HAVE BEEN IN OPERATION KW Railway bridges KW spans KW steel KW stress concentration KW endurance KW fatigue KW damage accumulation JO Process Management and Scientific Developments AU Kondratov, V.V. AU Olekov, V.M. AU Rumyantsev, Y.I. PY 2024 PB AUS PUBLISHERS