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Repaired of fire-damaged concrete-filled double skin steel tubular (CFDST) columns with fiber reinforced polymer (FRP)
S. Shahidan, S.S. Mohd Zuki, C.K. Keong,
Published in Asian Research Publishing Network
Volume: 11
Issue: 6
Pages: 3718 - 3725
Fire is one of the most severe natural disasters that a structure needed to face. Therefore, this study focused on post-fire repair of concrete-filled double skin steel tubular (CFDST) columns using fiber reinforced polymer (FRP). There are two types of repairing scheme that is discussed in this study, single and Hybrid FRP. Prior to being repaired, the CFDST columns were subjected to fire following ASTM E-119 standard fire curve until the temperature reached 600°C. Then, the temperature was kept constant for two different exposure times, i.e., 60 minutes, 90 minutes. Both single and Hybrid FRP enhanced the ultimate strength, secant stiffness and Ductility Index (DI) of fire-damaged CFDST columns. © 2006-2016 Asian Research Publishing Network (ARPN).
About the journal
JournalARPN Journal of Engineering and Applied Sciences
PublisherAsian Research Publishing Network