Residual Axial Capacity Comparison of CFFT and RC Bridge Columns after Fire

The fire performance of protected concrete-filled fiber reinforced polymer (FRP) tube (CFFT) and conventional reinforced concrete (RC) bridge columns is studied through two phases of experimental research comprised of fire exposure and residual axial capacity tests. Two one-fifth scale CFFT columns...

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Main Authors:	Alicia Echevarria, Arash E. Zaghi, Richard Christenson, Rachel Plank
Format:	Article
Language:	English
Published:	MDPI AG 2015-05-01
Series:	Polymers
Subjects:	reinforced concrete fiber reinforced polymer tube fire robustness CFFT bridge columns
Online Access:	http://www.mdpi.com/2073-4360/7/5/876

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spelling	doaj-be6ee2997b234a8da09dd945ee4907b02020-11-25T02:04:22ZengMDPI AGPolymers2073-43602015-05-017587689510.3390/polym7050876polym7050876Residual Axial Capacity Comparison of CFFT and RC Bridge Columns after FireAlicia Echevarria0Arash E. Zaghi1Richard Christenson2Rachel Plank3Structures Department, HNTB Corporation, Newark, NJ 07102, USADepartment of Civil and Environmental Engineering, University of Connecticut, Storrs, CT 06269, USADepartment of Civil and Environmental Engineering, University of Connecticut, Storrs, CT 06269, USADepartment of Civil and Environmental Engineering, University of Connecticut, Storrs, CT 06269, USAThe fire performance of protected concrete-filled fiber reinforced polymer (FRP) tube (CFFT) and conventional reinforced concrete (RC) bridge columns is studied through two phases of experimental research comprised of fire exposure and residual axial capacity tests. Two one-fifth scale CFFT columns and two one-fifth scale conventional RC columns having similar axial and flexural capacities were subjected to two durations of extreme temperature exposure. The CFFT columns were protected by the Tyfo® CFP fire protection system during the experiments. Subsequently, the post-fire robustness of the columns was quantified by measuring the residual axial capacity characteristics of each column. The protected CFFT columns exhibited superior axial strength and stiffness retention compared to the RC columns after fire exposure.http://www.mdpi.com/2073-4360/7/5/876reinforced concretefiber reinforced polymertubefirerobustnessCFFTbridge columns
collection	DOAJ
language	English
format	Article
sources	DOAJ
author	Alicia Echevarria Arash E. Zaghi Richard Christenson Rachel Plank
spellingShingle	Alicia Echevarria Arash E. Zaghi Richard Christenson Rachel Plank Residual Axial Capacity Comparison of CFFT and RC Bridge Columns after Fire Polymers reinforced concrete fiber reinforced polymer tube fire robustness CFFT bridge columns
author_facet	Alicia Echevarria Arash E. Zaghi Richard Christenson Rachel Plank
author_sort	Alicia Echevarria
title	Residual Axial Capacity Comparison of CFFT and RC Bridge Columns after Fire
title_short	Residual Axial Capacity Comparison of CFFT and RC Bridge Columns after Fire
title_full	Residual Axial Capacity Comparison of CFFT and RC Bridge Columns after Fire
title_fullStr	Residual Axial Capacity Comparison of CFFT and RC Bridge Columns after Fire
title_full_unstemmed	Residual Axial Capacity Comparison of CFFT and RC Bridge Columns after Fire
title_sort	residual axial capacity comparison of cfft and rc bridge columns after fire
publisher	MDPI AG
series	Polymers
issn	2073-4360
publishDate	2015-05-01
description	The fire performance of protected concrete-filled fiber reinforced polymer (FRP) tube (CFFT) and conventional reinforced concrete (RC) bridge columns is studied through two phases of experimental research comprised of fire exposure and residual axial capacity tests. Two one-fifth scale CFFT columns and two one-fifth scale conventional RC columns having similar axial and flexural capacities were subjected to two durations of extreme temperature exposure. The CFFT columns were protected by the Tyfo® CFP fire protection system during the experiments. Subsequently, the post-fire robustness of the columns was quantified by measuring the residual axial capacity characteristics of each column. The protected CFFT columns exhibited superior axial strength and stiffness retention compared to the RC columns after fire exposure.
topic	reinforced concrete fiber reinforced polymer tube fire robustness CFFT bridge columns
url	http://www.mdpi.com/2073-4360/7/5/876
work_keys_str_mv	AT aliciaechevarria residualaxialcapacitycomparisonofcfftandrcbridgecolumnsafterfire AT arashezaghi residualaxialcapacitycomparisonofcfftandrcbridgecolumnsafterfire AT richardchristenson residualaxialcapacitycomparisonofcfftandrcbridgecolumnsafterfire AT rachelplank residualaxialcapacitycomparisonofcfftandrcbridgecolumnsafterfire
_version_	1724942725782962176

Residual Axial Capacity Comparison of CFFT and RC Bridge Columns after Fire

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