Page 141 - Handbook of Materials Failure Analysis
P. 141
4 Current Analysis and Design Methods 137
RSL (Rail seat load) RSL
L c L c
Sleeper/ballast pressure distribution Bending moment diagram
“S6” Steel sleeper
(6 mm strip section)
“W14” Steel sleeper
(14mm rolled section)
Mainline timber sleeper
Heavy haul concrete sleeper
FIGURE 6.11
Sleeper support stiffness on ballast pressure and sleeper bending moment.