I am trying to size up a chequered plate cover over an opening to support udl and point / patch load that can be placed anywhere. In the UK I get safe working load capacity table from SCI steel construction Institute Blue Book which gives safe load table for udl only. The table is based on Pounders equation. But how do I get it for point or patch load that can be placed anywhere in a plate? Do you know any such table without doing complicated FEA ? Any comments will be appreciated.
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Sizing a Chequered Plate --- Pounders Equation
- Thread starter normm
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If you have access to Roark's book that would be a help. Lots of equations for various loads on beams, plates, and other things with a wide variety of boundary conditions. Timoshenko's theory of plates and shells would be a good resource as well. You could also approach it using yield line analysis, but be careful with that as it is an upper bound solution and you have to be certain your selected mechanism is correct.
driftLimiter
Structural
Depending on the size of the plate and the nature & magnitude of the patch load I would consider spreading the patch load into a UDL and just design for the combined.
I'd at least look at the effect on the selected plate thickness. If I had to bump up the thickness by a few sizes to do the above, I think it would be worth it.
I'd at least look at the effect on the selected plate thickness. If I had to bump up the thickness by a few sizes to do the above, I think it would be worth it.
JedClampett
Structural
Or get a copy of Timoshenko, where Roark's grad students boosted his work from.phamENG said:
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