Structural mechanics; comprising the strength and resistance of materials and elements of structural design (1905)
Greene, Charles E. (Charles Ezra), 1842-1903, Greene, Albert Emerson. [from old catalog] · New York, J. Wiley & sons; [etc., etc.] · leaf 126
e.Since (wl)l jl 12 fI . W = —, wl = —r, and V\ — —w~, or 0.3 as much as in § 93. The beam may safely carry, however,50 per cent, more load. Example.—An 8-in. I beam of 12 ft. span, carrying 1,000 lb. per foot,if firmly fixed at both ends and not to have a larger unit stress than = 48. An… … Fig. 53 106. Beam of Span /, fixed or horizontal at P2, supportedat Pi and carrying a uniform load of w per unit. Fig. 52. Originat Pi and reaction unknown. H2 STRUCTURAL MECHANICS. It will be seen from the sketch that a beam of length 2/, rest-ing upon three equidistant supports in the same…