Notes and examples in mechanics; with an appendix on the graphical statics of mechanism; (1897)
Church, Irving P. (Irving Porter), 1851-1931 · New York, J. Wiley & Sons · leaf 87
74. Moment of Inertia of a Section of a Built Box-beam (Fig. 90). •—The beam is composed of twoJiange-j)lates^ (upper and lower),two vertical * stem-jglates^^ andfour ^^ ancjle-hars of equal legs,riveted together. See figure fornotation and dimensions. Ke-quired the moment of inertiaof the whole… … Allplates h thickilG. i/^ Section of Angle-Bar 6x6x>$ Fig. 91,1 Jersey Steel and Iron Co., so that from the dis- ii-cs tance 1.68 in. we compute the d = lU.32 in. of Fig. 90, or distance of axis g from axis X. From the same book we find tiiat the Ig of the angle-section is 20 bi. in. (very…
