Economics of bridgework, a sequel to Bridge engineering (1921)
Waddell, J. A. L. (John Alexander Low), 1854-1938 · New York, J. Wiley · leaf 192
e loads for highway and com-bined-railway-and-highway bridges include the proper aUowances forelectric-railway cars or trains. The weights per lineal foot for the flooring are as given in Table 18a. 154 ECONOMICS OF BEIDGEWORK Chapter XVIII Permissible Pressures on Soil and PilesFor sand… … iZoooii 400 Lodded Lengrh in Fcah Fig. 186. Live Loads Without Impact. study. It consists of allowing four tons per square foot plus the intensityof i)rcssurc on the adjacent soil at the elevation of the base, due to thewe^weight of the overlying solid material, after having deducted from the…
Bridges
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