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 262
s deservedlythe most popular kind of construction in use. There is a minimum opportunity for error in *This classification to include rolled I-beams under Plate Girders. STYLES OF STRUCTURES AND DETERMINING CONDITIONS 2^7 its design and calculation, small chance for defects due to faulty… … Fig. 266. 60 feet it is the most expensive in first cost of all, due to the fact that it requires moreiron in its construction than any other. Its use is gradually extending to longer spans inspite of the cost. For the longer spans over 75 feet the girders become so very heavy that
