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A platform for research: civil engineering, architecture and urbanism
The comparative economies of cantilever and suspension bridges
Concluded that for exclusively railroad bridges economic limit for cantilever type of structure is that length which requires 4 1/2 lb. of metal to carry one lb. of live load. For modern highway structure carrying also incidentally electric railway tracks this limit is set at 1000 ft. and for combined railway and highway structures limit is placed intermediate between limit for railway structures and that for highway structures.
The comparative economies of cantilever and suspension bridges
Concluded that for exclusively railroad bridges economic limit for cantilever type of structure is that length which requires 4 1/2 lb. of metal to carry one lb. of live load. For modern highway structure carrying also incidentally electric railway tracks this limit is set at 1000 ft. and for combined railway and highway structures limit is placed intermediate between limit for railway structures and that for highway structures.
The comparative economies of cantilever and suspension bridges
Jl. Western Soc. Engrs
Waddell, J.A.L. (author)
1919
28 pages
11 Figs.
Article (Journal)
English
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Suspension and cantilever bridges
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