The elasticity and resistance of the materials of engineering (1883)
Burr, William H. (William Hubert), 1851-1934 · New York, J. Wiley & sons · leaf 434
is manifest that themoment of inertia of its cross section should be the largest possibleabotit an axis passing through its centre of gravity, and normalto the plane of flexure. Art. 49-] BOX COLUMN. 413 Box Column of Plates and Angles. Fig. I shows the cross section of Ta box column composed of 4… … I = -~ + bt6 , {d + ij , (^ 4- /) d^ . -|- ^ {s. — a) {d — 2df \- a {d — 2sY ■ (I) If the dotted Ls are not omitted : j^bjj ^ ^^, {d + tY ^ {2s -V f) d^62 6 \s — a) {d — 2ay -V aid — 2sY ■ ■ (2) If the 4 Ls shown in dotted lines are omitted, the momentof inertia about CB> will be : J- __ /^3 a…
Strength of materials · Building materials
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