Rail track and associated equipment for use underground in ...
in a typical mining environment. Common rail sizes 17 The three sizes of rail most commonly used are 17.36 kg/m (35 lb/yd), 24.8 kg/m (50 lb/yd), and 30.54 kg/m (60 lb/yd). Figure 1 shows the principal dimensions for each rail size. The rail sections are referred to by section numbers