Local instability of columns with I-, Z-, channel, and rectangular-tube sections (1939)
NASA Technical Reports Server (NTRS) · leaf 24
10,000 20000 i 50,000 IOO.OQO 2007000 300,000 500,000 300,000 fcr/rt ,lbjsq in. Figure 8.- Variation of for with ta/i\ for 243T aluminum alloy. When fcr < 19,600 lb/aq in., t]=l and for = for/n . « CD
NASA Technical Reports Server (NTRS)
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