A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
PROCESS SAVING CORROSION-PROOF RECOATING METHOD
PROBLEM TO BE SOLVED: To provide a corrosion-proof recoating method which can simplify surface treatment of an existing degraded steel structure and exhibits corrosion proofness over a long period of time.SOLUTION: A process saving corrosion-proof recoating method being a recoating method of an existing structure includes: a surface treatment step (1) of easily removing rust generated on the surface of the existing structure; a primary corrosion-proof treatment step (2) of coating an inorganic zinc primer (A) onto a rust layer on the treated surface obtained in the step (1); and a step (3) of coating an epoxy resin primer (B) to a treatment portion subjected to primary corrosion-proof treatment in the step (2) to form an epoxy resin primer coating film, where a dry average film thickness (T1) of the inorganic zinc primer (A) is thinner than a rust layer thickness (T2) after the primer treatment.SELECTED DRAWING: None
【課題】老朽化した既設の鋼構造物などに対して、下地処理を簡略化でき、且つ、長期の防食性を発揮する防食塗り替え工法を提供する。【解決手段】既設構造物の塗り替え工法であって、該既設構造物表面に生じた錆を簡易除去する下地処理工程（１）、工程（１）で得られた下地処理面における錆層上に、無機系ジンクプライマー（Ａ）を塗装する一次防錆処理工程（２）、工程（２）で一次防錆処理された処理部に、エポキシ樹脂系下塗り塗料（Ｂ）を塗装してエポキシ樹脂下塗り塗膜を設ける工程（３）を含み、無機系ジンクプライマー（Ａ）の乾燥平均膜厚（Ｔ１）が、下地処理後の錆層厚さ（Ｔ２）よりも薄膜であることを特徴とする省工程防食塗り替え工法。【選択図】なし
PROCESS SAVING CORROSION-PROOF RECOATING METHOD
PROBLEM TO BE SOLVED: To provide a corrosion-proof recoating method which can simplify surface treatment of an existing degraded steel structure and exhibits corrosion proofness over a long period of time.SOLUTION: A process saving corrosion-proof recoating method being a recoating method of an existing structure includes: a surface treatment step (1) of easily removing rust generated on the surface of the existing structure; a primary corrosion-proof treatment step (2) of coating an inorganic zinc primer (A) onto a rust layer on the treated surface obtained in the step (1); and a step (3) of coating an epoxy resin primer (B) to a treatment portion subjected to primary corrosion-proof treatment in the step (2) to form an epoxy resin primer coating film, where a dry average film thickness (T1) of the inorganic zinc primer (A) is thinner than a rust layer thickness (T2) after the primer treatment.SELECTED DRAWING: None
【課題】老朽化した既設の鋼構造物などに対して、下地処理を簡略化でき、且つ、長期の防食性を発揮する防食塗り替え工法を提供する。【解決手段】既設構造物の塗り替え工法であって、該既設構造物表面に生じた錆を簡易除去する下地処理工程（１）、工程（１）で得られた下地処理面における錆層上に、無機系ジンクプライマー（Ａ）を塗装する一次防錆処理工程（２）、工程（２）で一次防錆処理された処理部に、エポキシ樹脂系下塗り塗料（Ｂ）を塗装してエポキシ樹脂下塗り塗膜を設ける工程（３）を含み、無機系ジンクプライマー（Ａ）の乾燥平均膜厚（Ｔ１）が、下地処理後の錆層厚さ（Ｔ２）よりも薄膜であることを特徴とする省工程防食塗り替え工法。【選択図】なし
PROCESS SAVING CORROSION-PROOF RECOATING METHOD
省工程防食塗り替え工法
MATSUDA HIDEKI (author) / OTA REMI (author) / KIMURA TOMOYA (author) / KANO HIROSHI (author)
2018-01-25
Patent
Electronic Resource
Japanese
Lead paint removal and recoating of historic bridge
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