Study of Application of Salt Resistance Concrete Beam Reinforced with Glass Fiber Reinforced Polymer-Ribbed Bar as a Member of Marine Structure |
Kim Chung-Ho,Hwang Yun-Hee |
Department of Civil and Environmental Engineering Kyungsung University,Department of Civil Engineering Kyungsung University |
GFRP 보강 내염성 콘크리트 보의 해양구조부재로서의 적용성 검토 |
김충호,황윤희 |
경성대학교 건설환경공학부,경성대학교 대학원 토목공학과 |
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© 2008 The Korean Society of Ocean Engineers
Open access / Under a Creative Commons License
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Keywords:
Salt resistance concrete, GFRP-ribbed bar, Bonding strength, Marine structural element |
핵심용어:
내염성 콘크리트, GPRP 이형근, 부착강도, 해양 구조요소 |
Abstract |
Three types of salt resistant concrete beams reinforced with glass fiber reinforced polymer-ribbed bars (GFRP-ribbed bars) were selected, and their applicable properties were investigated with the goal of improving the problem of capacity deterioration in marine structures due to sea water corrosion. In this study, the structural behaviors were similar to RC beams in relation to the development of the strength and stiffness up to the generation of the initial crack. After the growth of this initial crack, the structural properties decreased owing to a sudden loss of bond strength. Also these beams showed the trends of brittle failure. As a result, it was confirmed that a GFS beam replaced with Fly Ash (20%) and Silica Fume (5%) has the best application as a marine structural element. |