Needham Method Section Crippling

March 4, 2016

In the course of writing a section for the textbook, I found a version of the Needham method in the US Airforce Stress Manual, there was one small error in the source material which is corrected in both the textbook and the spreadsheet file.

Section crippling can be a stand alone check, or can be used as an upper boundary strength for a column check – especially for thin walled columns.



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