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 400
ally compen-sate for the errors coming from neglecting the web members in computing the continuous girder moments. SeeArt. 178a, p. 196. THE DESIGN OF SWING BRIDGES. 361 the arms, making it somewhat easier to handle during high winds. This form of swingbridge was at one time very commonly used for… … Fig. 387. The objection to this form of truss design lies principally in the central portion directlyover the turntable. Here the character of the design involves an uncertain distribution ofloading on the turntable. Again, the counter-stresses in the web system are provided for bythe use of…
