The elasticity and resistance of the materials of engineering (1883)
Burr, William H. (William Hubert), 1851-1934 · New York, J. Wiley & sons · leaf 435
— a) (zv + 2/4- 2ay^--6^ 6 ^ 6 • (d — 2s) (w 4- 2/y _ dw^ . * 12 U • • • • ^^^ 414 MOMENTS OF INERTIA. [Art. 49. If the dotted angles are not omitted : J. _ tb^ a\{w -V 2t ^ 2sy — {w — 2sy\^^^ + 6 {s—d)\{w + 2t + 2df—{w—2df\ {d—2s) \{w + 2if—uf\ . . 12 If latticing is used instead of the two plates… … Box Column of Plates and Channels. Fig. 2 shows a normal cross sec-tion of this column. FB and CD—B intersect in the centre of gravity of, ^ the cross section. As in the pre-ceding Fig., these lines are lines ofsymmetry. The moment of inertiaabout FB is: I=^J1 + bt (^ + ^y -i- {s ■\- t)d^-s{d- 2ay…
Strength of materials · Building materials
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