Question

Compute the radii of gyration about both centroidal axes for the following structural steel shape

L4 x 3 x 1/2

Z r X y.y k Weight per ft Area Thickness I z z Tan Ур х, in.3 in. in.4 in 3 in. iп. lb in: in in. in. in. in. in. in in in 0.827 15/1h 11.1 3.25 5.05 1.25 1.33 3.41 0.750 2.42 1.12 0.864 2.03 0.406 0.639 0.543 L4 x 3 x 1/2

Answer 1

n&wer Given that Ae ad atioo algad both entroical as lloeng stauutaal stl shape L4 X3xl2 4 X 0-5 in 6e 3 -t o.5 Aara A chtb-t)t (4+3-0-50-5 Osyfin A = 3-25 fn J A 5((xo)-os) 3r5 o 8269 n

ic 3a69 fn Ahaut ase (, de) the aadius Quation A Eiven a 5.05 30 5.05 25 L 46 n .42 A 3 25 O.8629 .246 n O 862 n