Research Article
Sep 1975
Thermal Calculations for Bridge Design
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VIEW THE REPLYAuthors: Bruce Hunt and Nigel CookeAuthor Affiliations
Publication: Journal of the Structural Division
Volume 101, Issue 9
Abstract
A straightforward method is shown for calculating thermal stresses in bridges. Unsteady temperature distributions are obtained from numerical solutions of the one-dimensional unsteady heat equation, and comparison with experiment seems to validate the simplifying assumption that horizontal heat movements are small enough to be ignored. Stresses are calculated by solving a two-dimensional thermoelastic problem, and a design example shows that stresses calculated in this way can be significantly larger than stresses calculated by ignoring the coupling effect between longitudinal and lateral stresses.
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Published In
Journal of the Structural Division
Volume 101 • Issue 9 • September 1975
Pages: 1763 - 1781
Copyright
© 1975 American Society of Civil Engineers.
History
Published in print: Sep 1975
Published online: Feb 1, 2021
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Bruce Hunt
Sr. Leet., Dept. of Civ. Engrg., Univ. of Canterbury, Christchurch, New Zealand
Nigel Cooke
Sr. Leet., Dept. of Civ. Engrg., Univ. of Canterbury, Christchurch, New Zealand
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