Long-Term Performance of Seawater Mixed Concrete under Marine Condition -- Test Results after 32years' Exposure Test --

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  • HAMADA Hidenori
    Faculty of Engineering, Kyushu University
  • PATAH Dahlia
    Department of Civil Engineering, Universitas Sulawesi Barat
  • YAMAMOTO Daisuke
    Department of Civil and Environmental Engineering, National Institute of Technology, Oita College
  • DASAR Amry
    Department of Civil Engineering, Universitas Sulawesi Barat

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  • 海水練りコンクリートの海洋環境における長期挙動について－暴露試験32年の試験結果－
  • カイスイ ネリ コンクリート ノ カイヨウ カンキョウ ニ オケル チョウキ キョドウ ニ ツイテ : バクロ シケン 32ネン ノ シケン ケッカ

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<p>In concrete production, as mixing water, curing water and washing water, huge volume of water is consumed all over the world. For suppressing pure water consumption, one effective method is to use sea water as replacement of pure water. If the use of seawater as mixing water in concrete is possible, it would be very beneficial and economical in construction, especially in coastal works or isolated island. This study includes several investigations on durability of concrete mixed with seawater and pure water. The specimens were exposed to tidal pool utilizing natural seawater for 32years. In this study, the effect of seawater mixing on concrete deterioration and steel corrosion of RC beam under marine condition is investigated. The results indicate the possibility of concrete production mixed with seawater.</p>

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