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Multispan suspension bridges can be exactly and conveniently analyzed by method, which was derived by means of finite difference calculus with due consideration to flexure of towers; method can be applied to bridges with any number of spans, irrespective of whether cables rest on movable saddles or are anchored at tower tops; results are shown of analyses made on 5000 m five-span bridge with 1500 m center span and on 3220 m four-span bridge, both tentatively designed for crossing of Inland Sea of Japan; four-span bridge with rigid A-frame center tower has considerable stiffness and other merits; bridges of this type can be of great advantage if used at sites where construction of rigid A-frame center tower is feasible.
Multispan suspension bridges can be exactly and conveniently analyzed by method, which was derived by means of finite difference calculus with due consideration to flexure of towers; method can be applied to bridges with any number of spans, irrespective of whether cables rest on movable saddles or are anchored at tower tops; results are shown of analyses made on 5000 m five-span bridge with 1500 m center span and on 3220 m four-span bridge, both tentatively designed for crossing of Inland Sea of Japan; four-span bridge with rigid A-frame center tower has considerable stiffness and other merits; bridges of this type can be of great advantage if used at sites where construction of rigid A-frame center tower is feasible.
Analysis of multispan suspension bridges
ASCE -- Proc (J Structural Div)
Fukuda, T. (author)
1967
24 pages
Article (Journal)
English
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