Economics of bridgework, a sequel to Bridge engineering (1921)
Waddell, J. A. L. (John Alexander Low), 1854-1938 · New York, J. Wiley · leaf 133
ndred-foot opening, thinking that surely for sucha long span the suspension bridge would be the cheaper. The bed rock waskept at the same elevation as before, the only difference in the profile beingthat the width of river was increased, as shown in Fig. 13c/ and Fig. 13e.It was decided, in order… … Fig. ISd. Layout for 2,400-foot Span Cantilever Railway Bridge. spans. Much to the authors surprise, the results showed the cantileverstructure to be still the cheaper, the total costs being $10,210,000 and$12,033,000. Then an opening of twenty-seven hundred feet was tested, the resultbeing…
Bridges
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