Stresses in rails static stress measurements in holes in the webs of F.B. rails having three different web thicknesses (E-385)

1. Report E.1814 dated October 1958 described fatigue tests on 109 lb./yd. F.B. rail specimens and Report E.227 dated September 1959 described fatigue tests on 115 lb./yd. F.B. and 116 lb./yd. F.B. rail specimens, all having fishbolt holes in them. Report E.263 dated October 1961 describes static stress measurements in...