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Built Up Columns - Lacing

A 55 ISF 12 m...

Question

A 55 ISF 12 mm is used as lacing flat. The minimum radius of gyration will be _______.

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Solution

$r_{min} of lacing flat = \frac{t}{\sqrt{12}} = \frac{12}{\sqrt{12}}$
$= \sqrt{12} = 3.46 m m$

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