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Title |
Characteristics of Flexural Behaviors for Marine Concrete Members Using High-Durable Materials
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Keywords |
내구성 ; 광물질 혼화재 ; 에폭시 코팅철근 ; 부식억제제 ; 휨 거동 ; Durability ; Mineral admixture ; Epoxy-coated reinforcing bar ; Inhibitor ; Flexural behavior |
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Abstract |
The durability of marine concrete structure is severely degraded by corrosion due to penetration and diffusion of chloride. So, many researches have been performed to improve the durability in marine concrete structure. In this study, the concrete members mixed with the mineral admixtures(SF and BFS), the epoxy-coated steel, and corrosion inhibitors are prepared, and four-point bending test of specimens are performed to investigate the flexural behaviors and the applicability for marine concrete structure. From the test results, the mineral admixtures and inhibitors are useful for safety against the initial cracking and the bending resistance in specimens. When the durable material is used in specimen, the tensile stress of reinforcing rod was less variable in same bending span length, and the durable member showed a stable behavior. And it is evaluated that the crack spacing is not larger in specimen used the durable material.
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