Modeling the Behavior of Fiber Reinforced Polymer-Confined Concrete Columns Exposed to Fire
Publication: Journal of Composites for Construction
Volume 9, Issue 1
Abstract
Very little information is available on the behavior of fiber reinforced polymer (FRP) materials and FRP-strengthened concrete members in fire, and this is a primary factor hindering the widespread implementation of FRP strengthening technologies in the construction industry. This paper presents a numerical model for evaluating the fire behavior of conventionally reinforced circular concrete columns, FRP-wrapped reinforced concrete columns, and insulated FRP-wrapped reinforced concrete columns. The model is validated against data available in the literature from full-scale fire endurance tests on conventionally reinforced concrete columns, and preliminary predictions of the model are presented and discussed. It is demonstrated that the model agrees reasonably well with experimental data obtained from tests on circular reinforced concrete columns, that it is unlikely that the structural effectiveness of FRP materials can be maintained during fire, and that the fire behavior of FRP-wrapped columns can be dramatically improved by providing supplemental insulation for the FRP.
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Acknowledgments
The writers are members of the Intelligent Sensing for Innovative Structures Network (ISIS Canada) and wish to acknowledge the support of the Networks of Centres of Excellence Program of the Government of Canada and the Natural Sciences and Engineering Research Council of Canada. The writers would also like to acknowledge the financial contributions of the National Research Council of Canada and Queen’s University, Canada.
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Information & Authors
Information
Published In
Journal of Composites for Construction
Volume 9 • Issue 1 • February 2005
Pages: 15 - 24
Copyright
© 2004 ASCE.
History
Received: Aug 6, 2003
Accepted: May 11, 2004
Published online: Feb 1, 2005
Published in print: Feb 2005
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