Research Article
Jan 1956
An Influence-Line Analysis for Suspension Bridges
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VIEW THE REPLYPublication: Transactions of the American Society of Civil Engineers
Volume 121, Issue 1
Abstract
Long-span suspension bridges cannot be analyzed by using the usual procedures for elastic structures. Because stresses and deflections are not proportional to loads it is not possible to superimpose various loading conditions or to use influence lines in the normal manner. It is customary to integrate the differential equation of the truss deflection curve, obtaining expressions in terms of exponential or hyperbolic functions. The equation for the cable-tension component H is implicit, containing the unknown H in the exponential or hyperbolic terms. This equation must be solved by trial for numerous loading conditions.
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© 1956 American Society of Civil Engineers.
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Published in print: Jan 1956
Published online: Feb 10, 2021
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David J. Peery, M.ASCE
Prof. of Aeronautical Eng., Univ. of Michigan, Ann Arbor, Mich.
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Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.