Economics of bridgework, a sequel to Bridge engineering (1921)
Waddell, J. A. L. (John Alexander Low), 1854-1938 · New York, J. Wiley · leaf 185
ls in tho structure and an estimate of its cost excluding the earthfills. The live loads ai(! to l)c taken as follows:For the electric railway, Class 25.For the wagonways, Class BFor the sidewalks. Class C. Permissible pressures on foundations, five and a half (5.5) tons per squarefoot. Arches aic…
Bridges
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