huangyhg

allowable stress increase for existing structures
i remember using an allowable stress increase for existing steel, but i cannot find where it came from. it was in the order of 3% to 5%. as long as your new loads did not increase the stress by that percentage it was ok to add the load. does anyone know what i am referring to? thanks.
try 2003 ibc section 3403.2.
also 2000 ibc section 3402.2

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