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Old 05-15-2008, 02:54 PM
wendyyacht wendyyacht is offline
 
Join Date: May 2008
Rep: 10 Posts: 1
Location: usa
stiffener calculation for ISO 12215-5

hi, in the "egg box" section of ISO 12125-6 they tell us what unsupported lengths / spans to use in the stiffener calculation of 12215-5, but they also give a new design pressure to use:

"The design pressure shall be obtained using a design area, AD, based on the stiffener spacing and 60 % of the grid dimension."

does anyone understand this?

thanks

john
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