Economics of bridgework, a sequel to Bridge engineering (1921)
Waddell, J. A. L. (John Alexander Low), 1854-1938 · New York, J. Wiley · leaf 65
lloy would effectconsiderable saving. Example No. 4 In the investigation for a proposed three-span, cantilever, railway bridgehaving a main opening of 1,550 feet, it was found that an alloy stool of 75,000lbs. (ilastic limit would cost 13.8(^ per lb. erected, while standard carbon ECONOMICS OF… … 1200 mo mo LetK^fh of Mam 3paps m Feef V m m MOFig. 5b. Economic Limiting-Values of rr for Cantilever, Steam-Railway Bridges. Fig. 56 gives 1.02 as the limit, which shows that the costs of structureare alike for the two steels. In Figs. 5a and 5& the basis of comparison is standard carbon…
Bridges
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