Overview of “Design and Construction Guidelines for Repairing Concrete Structures Using Lithium Nitrite” published by Japan Concrete Maintenance Association (JCMA)

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  • Sogo S.
    近未来コンクリート研究会
  • Era K.
    極東興和（株）営業本部 補修部補修課

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Other Title
  • コンクリートメンテナンス協会「コンクリート構造物を対象とした亜硝酸リチウムによる補修の設計・施工指針（案）」の概要

Description

<p>The “Design and Construction Guidelines for Repairing Concrete Structures Using Lithium Nitrite” were published by the Japan Concrete Maintenance Association（ JCMA） in April 2020. These Guidelines are basically comprised of two parts: A general section and a construction method-specific manuals section. The general section describes the material properties of lithium nitrite and the concept behind the selection of a repair method using lithium nitrite. The construction method-specific manuals section describes the design, construction, and construction management standard for each of various methods including the surface impregnation method, the cross-section repair method, the crack injection repair method, and the pressurized injection method. This paper gives an overview of the main parts of these latest Guidelines.</p>

Journal

  • Concrete Journal

    Concrete Journal 59 (4), 301-306, 2021

    Japan Concrete Institute

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