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 260
d through spans, as shown in the figure. There would be very liktle saving, if any, accom-plished by using the deck span except for the shorter spans, say und^t i&a£eet long. Fbf STYLES OF STRUCTURES AND DETERMINING CONDITIONS. 235 these shorter spans the trusses of the deck spans may be placed… … Fig. 265. The iron floor system may be dispensed with in the shorter deck spans by supporting thecross-ties directly on the top chord and a further reduction in the required amount of ironmade. 2d. Bridges which may be of One or More Spans.—When the span lengths are fixed by localconditions the…
