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ALLOWABLE DEFLECTION AT TOP OF LEGS OF OPEN GANTRY CRANE

ALLOWABLE DEFLECTION AT TOP OF LEGS OF OPEN GANTRY CRANE

ALLOWABLE DEFLECTION AT TOP OF LEGS OF OPEN GANTRY CRANE

(OP)
Hi,
I  am designing an open  gantry crane for the first time though I have experience of eot cranes.I need to know the allowable deflection at top of legs under normal operating conditions i.e maximum acceleration with wind load of 25kgf/sq m.Any help in this matter would be highly appreciated.

RE: ALLOWABLE DEFLECTION AT TOP OF LEGS OF OPEN GANTRY CRANE

Somewhere along the line - I've seen L/400 as a baseline for free-standing crane columns for crane a runway systems. From there, I add that I don't like a lot of movement in my runway systems - and bump the deflection to L/700 or so.  With crane systems, I believe that Movement = fatigue = eventual failure. I would use similar approach with gantry column design.

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