Chapter
Apr 9, 2014
Through-Thickness Thermal Behavior of Two RC Bearing Walls under Fire
Publication: Structures Congress 2014
Abstract
This paper discusses the through-thickness thermal behavior of two full-scale reinforced concrete (RC) bearing wall test specimens subjected to one-sided fire. The most probable fire exposure for RC wall structures is from one side of the wall only (i.e., compartment-type fire). This fire scenario causes steep thermal gradients through the wall thickness, leading to unsymmetrical fire damage and material degradation that can exacerbate out-of-plane eccentricity effects and compromise stability under service-level tributary gravity loads. A crucial step for the development of validated analytical tools to predict the structural fire behavior of RC walls is the ability to predict the through-thickness thermal gradients. With this objective, the measured thermocouple data from the test specimens is compared with 2D analytical predictions from two simulation software. The results generally show good predictions of the measured temperatures, with the largest discrepancies (in terms of percent error) near the unheated (i.e., back) face of each wall.
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© 2014 American Society of Civil Engineers.
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Published online: Apr 9, 2014
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Civil and Environmental Engineering and Earth Sciences, University of Notre Dame. E-mail: [email protected]
Civil and Environmental Engineering and Earth Sciences, University of Notre Dame. E-mail: [email protected]
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