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One Pennsylvian locomotive, largest in the world at time, was 53m long, weight of it was 480 ton and wheel diameter of it was 2,13m. Calculate how many wheels is needed at least when between wheel and rail is 200 Mpa and profile of rail is 60 mm wide with 5mm roundings on both side. Carrying lenght i s 50mm.
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30, long steel profile type U300 SFS-EN 102279 is lifted from its middle point so, that the profile is balanced horizontal. Calculate maximum deflection of this beam caused from its own weight.