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 259
he kind of bridge used. This questionwill be considered in detail in a following article on the kinds of bridges, classifying themaccording to their method of construction into plate girder bridges, riveted truss bridges, andpin-connected truss bridges. Assuming the kind of bridge as constant, the… … Fig. 264. there is a saving in the height of the necessary piers about equal to the depth of the truss dueto the use of the deck span. There is an increase in the weight of the necessary iron of aboutten per cent for the deck span, but this will never offset the saving in the masonry. Fig.…
