Effect of Strength and Fiber Reinforcement on Fire Resistance of High-Strength Concrete Columns
Publication: Journal of Structural Engineering
Volume 129, Issue 2
Abstract
In this paper, results from fire resistance experiments on five types of reinforced concrete columns are presented. The variables considered in the study include concrete strength [normal-strength concrete (NSC) and high-strength concrete (HSC)], aggregate type (siliceous and carbonate aggregate), and fiber reinforcement (steel and polypropylene fibers). Data from the study is used to determine the structural behavior of HSC columns at elevated temperatures. A comparison is made of the fire resistance performance of HSC columns with that of NSC and fiber-reinforced HSC columns. The factors that influence the thermal and structural behavior of HSC concrete columns under fire conditions are discussed. The results show that the fire resistance of a NSC column is higher than that of a HSC column. Also, the addition of polypropylene fibers and the use of carbonate aggregate improve fire resistance.
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Information & Authors
Information
Published In
Journal of Structural Engineering
Volume 129 • Issue 2 • February 2003
Pages: 253 - 259
Copyright
Copyright © 2003 American Society of Civil Engineers.
History
Received: Aug 17, 2001
Accepted: Jan 18, 2002
Published online: Jan 15, 2003
Published in print: Feb 2003
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