Temperature Fields in Structural Elements Subject to Fires

[+] Author and Article Information
M. S. Sahota, P. J. Pagni

Mechanical Engineering Department, University of California, Berkeley, Calif.

J. Heat Transfer 97(4), 598-604 (Nov 01, 1975) (7 pages) doi:10.1115/1.3450437 History: Received May 02, 1975; Online August 11, 2010


The transient, two-dimensional temperature field in a rectangular structural element subject to time dependent, nonlinear mixed boundary conditions has been obtained with a minimum of numerics. General results are given for two extreme fire histories, the American Society for Testing and Materials E-119 time-temperature curve and a short-duration high-intensity time-temperature curve. Comparisons are made with finite element and experimental temperature fields in a reinforced concrete column; good agreement is obtained. The stress field generated from the analytic temperature field also shows good agreement with finite element calculations. Applications to structural fires are discussed.

Copyright © 1975 by ASME
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