Cyclopedia of architecture, carpentry, and building : a general reference work (1912)
American Technical Society · Chicago : American Technical Society · leaf 135
rs formula. It will be noticed that the twolines are tangent; the point of tangency corresponds to the lim-iting value Z -^ 7, as indicated in the table. Examples. 1. A 40-pound lO-in-^h steel I-beam column 8 107 98 STRENGTH OF MATERIALS feet long sustains a load of 100,000 pounds, and the ends are… … loo 200 300 Fig. 50. formula should be used. From Table C, on page 72, we find thatthe moment of inertia of the column about the neutral axis ofits cross-section is 9.50 inches*, and the area of the section is11.76 square inches. Hence 9.50 7 = 11.7(3 = 0.81; or r = 0.9 inch. Since 1 = 8 feet = 96…
Architecture · Building
Internet Archive · Kelly Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
