Economics of bridgework, a sequel to Bridge engineering (1921)
Waddell, J. A. L. (John Alexander Low), 1854-1938 · New York, J. Wiley · leaf 344
s the vertical liftmaterially. For deep and expensive piers, a bascule layout, such as is shown inFig. 30d! is not economic, that indicated in Fig. Z^g being cheaper. The 304 ECONOMICS OF BRIDGEWORK Chapter XXX two layouts shown in the latter figure were next compared. It wasfound that, whereas,… … Vertical-Lift Bridge
Bridges
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