Methods of fastening flat-bottom rails to concrete sleepers. Static tests on spring hoop clips 3.7/16' wide 4' wide (E-349)

The Green Band S.H.C. clips (3½" x 0.202") described, tested and reported in Research Department Report No. E.250, dated March 1961, have recently been superseded by another type of clip, 3.7/16" x 0.225", which differs in detail dimensions. This report describes tests similar to those recorded in Report E.250...