Economics of bridgework, a sequel to Bridge engineering (1921)
Waddell, J. A. L. (John Alexander Low), 1854-1938 · New York, J. Wiley · leaf 131
ecause, in the substructure, it generally increased thecost of only the walls between the pedestals of the main piers, the increasebeing a bagatelle in comparison with the total cost of the said substructure. The first estimates prepared by the author were for double-track-rail-way bridges; and he… … Fig. 13a. Layout for 1,700-foot Span Cantilever Railway Bridge.
Bridges
Internet Archive · Boston Library Consortium · Public Domain Mark 1.0. Free to use for anything.
