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 415
following data will be taken : A single-track swing bridge 216 feet long, to be operated by hand power exclusively.Two trusses placed 16 feet apart (14 feet in the clear). Four panels in each arm 25 ft. o in. = 100 ft. x 2 = 200 feet. One centre panel — 16 Total length centre to centre of end pins… … Fig. 402. The links at EE, Fig. 402, being at all times practically vertical, the stresses in the two members Eeare at all times equal to each other. 384. Floor System and Laterals—Having fixed upon the outline of the trusses, the design of the floorsystem, that is, tlie stringers and floor-beams,…
