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Behavior of Insulated Carbon-FRP-Strengthened RC Beams Exposed to Fire

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Mechanics of Composite Materials Aims and scope

An Erratum to this article was published on 05 November 2014

There are two main approaches to improving the fire resistance of fiber-reinforced polymer (FRP) systems. While the most common method is to protect or insulate the FRP system, an other way is to use fibers and resins with a better fire performance. This paper presents a numerical investigation into the five protection behavior of insulated carbon-fiber-reinforced-polymer (CFRP)-strengthened reinforced concrete (RC) beams. The effects of external loading and thermal expansion of materials at elevated temperatures are taken into consideration in a finite-element model. The validity of the numerical model is demonstrated with results from an existing experimental study on insulated CFRP-strengthened RC beams. Conclusions of this investigation are employed to predict the structural behavior of CFRP-strengthened concrete structures.

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Acknowledgments. The author would like to thank Professor Hamid Saadatmanesh, the Department of Civil Engineering and Engineering Mechanics, The University of Arizona, for his technical guidance and support. The author is also grateful to TUBITAK (The Scientific and Technological Research Council of Turkey) for funding the postdoctoral research.

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  1. Department of Construction and Technical Affairs, Istanbul University, Istanbul, Turkey

    B. Sayin

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Correspondence to B. Sayin.

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Russian translation published in Mekhanika Kompozitnykh Materialov, Vol. 50, No. 4, pp. 667-684, July-August, 2014.

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Sayin, B. Behavior of Insulated Carbon-FRP-Strengthened RC Beams Exposed to Fire. Mech Compos Mater 50, 477–490 (2014). https://doi.org/10.1007/s11029-014-9434-y

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