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Evaluation of Anti-Corrosion Performance of FRP Hybrid Bar with Notch in GGBFS Concrete
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 Title & Authors
Evaluation of Anti-Corrosion Performance of FRP Hybrid Bar with Notch in GGBFS Concrete
Oh, Kyeong-Seok; Park, Ki-Tae; Kwon, Seung-Jun;
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 Abstract
Concrete structure is a construction material with durability and cost-benefit, however the corrosion in embedded steel causes a critical problem in structural safety. This paper presents an evaluation of chloride resistance and pull-off performance with various corrosion level. For the work, OPC(Ordinary Portland Cement) concrete and GGBFS(Ground Granulated Blast Furnace Slag) concrete are prepared with normal steel. Artificially notch induced FRP Hybrid Bar is also prepared and embedded in OPC concrete and accelerated corrosion test is performed. Through the test, FRP Hybrid Bar with notch is evaluated to have insignificant effect on pull-off capacity when corroded steel shows only 21% level of pull-off capacity. Furthermore GGBFS concrete with normal steel shows over 70% level of pull-off capacity due to reduced corrosion currency.
 Keywords
Durability;Corrosion;Pull-off test;GGBFS;FRP hybrid bar;
 Language
Korean
 Cited by
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