Thermal Stresses and Movements in Bridges

by Joseph C. Reynolds, (A.M.ASCE), Engr.; Radiation, Inc., Melbourne, FL,
Jack H. Emanuel, (M.ASCE), Assoc. Prof. of Civ. Engrg.; Univ. of Missouri-Rolla, Rolla, MO,

Serial Information: Journal of the Structural Division, 1974, Vol. 100, Issue 1, Pg. 63-78

Document Type: Journal Paper


A state-of-the-art review regarding the thermal behavior of bridges and considerations to be given to the resultant thermal effects is presented. The results of studies related to the thermal effects on bridges are reviewed. Studies attempting to relate environmental factors to bridge temperatures, and subsequently to bridge movements and stresses, indicate that the task is extremely complex. Some correlation has been made between equations predicting bridge temperatures and movements based on weather bureau records. However, further research is needed to evaluate the effects of factors other than temperature, such as creep, shrinkage, and humidity, on bridge movements and stresses.

Subject Headings: Thermal loads | Temperature effects | Bridges | Bridge tests | Structural behavior | Thermal effects | Stress analysis | Correlation

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