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INSTALLATION METHOD OF GALVANIC ANODE MATERIAL
To provide electrochemical corrosion prevention structure of a concrete structure, facilitating installation of a galvanic anode material in a punctual anode method, repair of concrete after the installation of the galvanic anode material and replacement of the galvanic anode material.SOLUTION: A construction hole is drilled at a position of a steel material being a corrosion prevention object in a concrete surface of a concrete structure in which the steel material being the corrosion prevention object is embedded, an anchor hole is provided in a concrete surface in the vicinity of the construction hole, an anchor is installed in the anchor hole, a metallic coupling member is installed on a bottom face of the construction hole in such a way that the metallic coupling member contacts the steel material being the corrosion prevention object, then, an upper end of an electrochemical corrosion prevention unit is fastened to the anchor, thus the steel material being the corrosion prevention object and the galvanic anode material are electrically coupled together through a coupling member, a lead wire and the metallic rod material, wherein the electrochemical corrosion prevention unit comprises: a plate-shaped galvanic anode material; a cover forming a space three-dimensionally surrounding the galvanic anode material by the concrete surface and the inner surface of the cover; and a metallic rod material having a support supporting the galvanic anode material and the cover, and an upper end which can be detachably fitted to the anchor, and being electrically coupled to a coupling member by a lead wire.SELECTED DRAWING: Figure 1
【課題】点状陽極方式の流電陽極材の設置、設置後のコンクリートの修復、および流電陽極材の交換が容易なコンクリート構造物の電気化学的防食構造の提供。【解決手段】防食対象鋼材が埋設されたコンクリート構造物のコンクリート表面に防食対象鋼材の位置に施工孔を削孔し、該施工孔の近傍のコンクリート表面にアンカー孔を設け、アンカー孔にアンカーを設置し、施工孔の底面に防食対象鋼材と接触するように金属製の接続部材を設置し、板状の流電陽極材と、流電陽極材をコンクリート表面と自らの内面によって立体的に包囲する空間を形成するカバーと、流電陽極材並びにカバーを支持する支持部及びアンカーに着脱可能な上端部を有し、接続部材とリード線で電気的に接続された金属製棒材とを有する電気化学的防食ユニットの上端部をアンカーに固着することにより、防食対象鋼材と流電陽極材とを、接続部材、リード線および金属製棒材を通じて電気的に接続する。【選択図】図１
INSTALLATION METHOD OF GALVANIC ANODE MATERIAL
To provide electrochemical corrosion prevention structure of a concrete structure, facilitating installation of a galvanic anode material in a punctual anode method, repair of concrete after the installation of the galvanic anode material and replacement of the galvanic anode material.SOLUTION: A construction hole is drilled at a position of a steel material being a corrosion prevention object in a concrete surface of a concrete structure in which the steel material being the corrosion prevention object is embedded, an anchor hole is provided in a concrete surface in the vicinity of the construction hole, an anchor is installed in the anchor hole, a metallic coupling member is installed on a bottom face of the construction hole in such a way that the metallic coupling member contacts the steel material being the corrosion prevention object, then, an upper end of an electrochemical corrosion prevention unit is fastened to the anchor, thus the steel material being the corrosion prevention object and the galvanic anode material are electrically coupled together through a coupling member, a lead wire and the metallic rod material, wherein the electrochemical corrosion prevention unit comprises: a plate-shaped galvanic anode material; a cover forming a space three-dimensionally surrounding the galvanic anode material by the concrete surface and the inner surface of the cover; and a metallic rod material having a support supporting the galvanic anode material and the cover, and an upper end which can be detachably fitted to the anchor, and being electrically coupled to a coupling member by a lead wire.SELECTED DRAWING: Figure 1
【課題】点状陽極方式の流電陽極材の設置、設置後のコンクリートの修復、および流電陽極材の交換が容易なコンクリート構造物の電気化学的防食構造の提供。【解決手段】防食対象鋼材が埋設されたコンクリート構造物のコンクリート表面に防食対象鋼材の位置に施工孔を削孔し、該施工孔の近傍のコンクリート表面にアンカー孔を設け、アンカー孔にアンカーを設置し、施工孔の底面に防食対象鋼材と接触するように金属製の接続部材を設置し、板状の流電陽極材と、流電陽極材をコンクリート表面と自らの内面によって立体的に包囲する空間を形成するカバーと、流電陽極材並びにカバーを支持する支持部及びアンカーに着脱可能な上端部を有し、接続部材とリード線で電気的に接続された金属製棒材とを有する電気化学的防食ユニットの上端部をアンカーに固着することにより、防食対象鋼材と流電陽極材とを、接続部材、リード線および金属製棒材を通じて電気的に接続する。【選択図】図１
INSTALLATION METHOD OF GALVANIC ANODE MATERIAL
流電陽極材の設置方法
FUKAGAWA NAOTOSHI (author) / AOYAMA TOSHIYUKI (author) / KAMOYA TOMOSHIGE (author)
2021-02-15
Patent
Electronic Resource
Japanese