Compressive Strength of Post Fire Exposed Concrete Column Wrapped with Fiber Reinforced Polymer

In this study, behaviour of reinforced concrete columns strengthened using fiber reinforced polymer (FRP; glass fiber and carbon fiber) after fire exposure are discussed. After being exposed to fire as high as 720oC for 180 minutes, the specimens showed concrete and  reinforcement strength degradati...

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Bibliographic Details
Published in:Dimensi teknik sipil 2017-09, Vol.19 (2), p.105-110
Main Authors: Dwi Agus Setiawan Wardaya, Handoko Sugiharto, Pamuda Pudjisuryadi
Format: Article
Language:English
Subjects:
curing
fiber reinforced polymer
fire exposed concrete column
Online Access:Get full text
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Summary:In this study, behaviour of reinforced concrete columns strengthened using fiber reinforced polymer (FRP; glass fiber and carbon fiber) after fire exposure are discussed. After being exposed to fire as high as 720oC for 180 minutes, the specimens showed concrete and  reinforcement strength degradation, even though there was no carbonation. It was found that specimens wrapped by carbon fiber showed better compressive strength but less ductility compared to specimens wrapped by glass fiber. It was also found that the low initial compressive strength did not decrease FRP confinement effectiveness. Increase of wrapped concrete com­pressive strength was evident despite the low initial strength (
ISSN:1410-9530
1979-570X
DOI:10.9744/ced.19.2.105-110