Repaired of fire-damaged concrete-filled double skin steel tubular (CFDST) columns with fiber reinforced polymer (FRP)

Shahidan, Shahiron and Mohd Zuki, Sharifah Salwa and Choong, Kok Keong and J., Jayaprakash (2015) Repaired of fire-damaged concrete-filled double skin steel tubular (CFDST) columns with fiber reinforced polymer (FRP). In: 9th Malaysian Technical Universities Conference on Engineering and Technology 2015 (MUCET 2015), 11 – 13 October 2015, Johor Baharu, Malaysia.

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Abstract

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

Item Type:Conference or Workshop Item (Paper)
Uncontrolled Keywords:concrete-filled double skin steel tubular column; fiber reinforced polymer; post-fire repair; hybrid FRP
Subjects:T Technology > TP Chemical technology > TP1080-1185 Polymers and polymer manufacture
Divisions:Faculty of Civil and Environmental Engineering > Department of Structural and Material Engineering
ID Code:7623
Deposited By:Mrs. Nurhayati Ali
Deposited On:14 Feb 2016 09:14
Last Modified:14 Feb 2016 09:14

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