The theory and practice of modern framed structures : designed for the use of schools, and for engineers in professional practice (1897)
Johnson, J. B. (John Butler), 1850-1902, Bryan, C. W. (Charles Walter), 1863-1927, Turneaure, Frederick Eugene, 1886- · New York : J. Wiley & Sons · leaf 302
equally distributed over the rollers, it may be advisableto take smaller working stresses. As an extreme case, where the load may be concentrated onone half the rollers, but using in this case factors of safety of 3.5 and of 2 on the elastic limitstrength, in place of 5 and 3 respectively, as… … Fig. 304. Fig. 305. 278 MODERN FRAMED STRUCTURES. Memphis Bridge, there being a fixed span of 621 feet on one side and a cantilever span of7po feet on the other. Thus this movable support sustains a length of span of over 705^^ feet,wliich has a dead load of some 5,000,000 pounds and a live load of…
