Proposal for Estimation Method of Surface Chloride Content of RC Deck in Open-Piled Pier considering the Structural Types and the Influence of Wave Action

DOI Web Site 2 Citations 22 References
  • Amino Takahiko
    東亜建設工業(株) 技術研究開発センター（東京工業大学 理工学研究科）
  • Otsuki Nobuaki
    東京工業大学 理工学研究科 国際開発工学専攻
  • Saito Tsuyoshi
    東京工業大学 理工学研究科 国際開発工学専攻
  • Habuchi Takashi
    東亜建設工業(株) 技術研究開発センター 新材料・リニューアル技術グループ

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Other Title
  • 構造形式や波の作用の影響を考慮した桟橋上部工部材の表面塩化物イオン濃度の推定方法に関する提案
  • コウゾウ ケイシキ ヤ ナミ ノ サヨウ ノ エイキョウ オ コウリョ シタ サンバシ ジョウブ コウ ブザイ ノ ヒョウメン エンカブツ イオン ノウド ノ スイテイ ホウホウ ニ カンスル テイアン

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Abstract

In this paper, the surface chloride content at the different positions in over 15-years old RC decks in open-piled piers with the various structural types and wave action were analyzed. The structural types were classified in terms of the existence or nonexistence of the curtain wall at the berthing side and the revetment behind the pier. Also, as the wave action, the wave from the open sea and the position of ship's arrival were considered. As the results, the value of surface chloride content was varied depending on the distance from the sea level. Furthermore, the value was influenced by the difference in structural types of RC decks and the wave action. From these results, the relation between the surface chloride content and the distance from the sea level, which can apply to the positions that not influenced by the structural types and the wave action, has been proposed. Moreover, the surface chloride content at the positions that influenced by the structural types and the wave action could be estimated by adding the proper amount of correction to the value calculated by the above proposed relation.

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