STUDY ON CORROSION RESISTANCE AND BOND PROPERTIES OF ALMINIUM-MAGNESIUM ALLOY SPRAYING REBAR IN CONCRETE

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  • INOUE Masumi
    KITAMI INSTITUTE OF TECHNOLOGY, School of Regional Innovation and Social Design Engineering（165, Koen-cho, Kitami-shi, Hokkaido 090-8507, Japan）
  • CHOI Heesup
    KITAMI INSTITUTE OF TECHNOLOGY, School of Regional Innovation and Social Design Engineering（165, Koen-cho, Kitami-shi, Hokkaido 090-8507, Japan）
  • HIRONO Kunihiko
    NEXCO WEST INNOVATIONS CO., LTD.（5-5-28, Higashimikuni, Yodogawa-Ku, Osaka-shi, Osaka 532-0002, Japan）
  • SUGIMOTO Masanobu
    NEXCO WEST INNOVATIONS CO., LTD.（5-5-28, Higashimikuni, Yodogawa-Ku, Osaka-shi, Osaka 532-0002, Japan）

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Other Title
  • コンクリート中におけるAl-Mg合金溶射鉄筋の耐食性と付着特性に関する検討

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<p>In this study, the authors aim to clarify the applicability of Al-Mg ally spraying rebar to reinforcement for concrete member. Corrosion resistance and bond properties of Al-Mg ally spraying rebar in concrete were examined. As a result, the corrosion resistance of Al-Mg spraying rebar in concrete depends on the type and quantity of sealing treatment. This experiment demonstrated that Al-Mg alloy spraying rebar using a predetermined amount of epoxy coating as a sealing treatment has a good corrosion resistance when chloride content around the reinforcing bar is high. And in the pull-out test, it was confirmed that Al-Mg alloy spraying rebar using epoxy coating has a good bond strength in concrete.</p>

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