建議

1. 熱浸鍍鋅之缺陷與鋅層不足之處可以塗刷鋅漆進行修補。

2. 日本研究指出，高分子複合基塗層於鋼筋防蝕處理案例中，

歷經神戶大地震後並無握裹能力不足之問題。

3. 日本明石大橋橋墩基礎以鈦板包覆為防蝕成功案例，可做為 防蝕參考方式，比較成本價位不鏽鋼板為 200 元/kg，鈦板為 800 元/kg，百年無鏽斑。

4. 北歐挪威為多海岸島嶼國家地區，對於高分子材料應用於改 良混凝土案例多有研究，可為國內 RC 防蝕工程借鏡。

7. RC 結構之混凝土外牆以及其他保護層不足處，應以噴塗防 蝕表面處理材料，取代一般易剝離之水泥砂漿粉刷層；亦可 應用清水模板外加水性防蝕處理材料，以節省工期與成本。

8. 水泥質表面處理除可進行抗離子穿透與防水滲透等試驗外，

亦可進行於結構補強與防火特性方面進行探討。

後續研究項目與目標建議

1. 表面處理方式與材料最佳需符合以下條件：合金相層結構組 織、具陰極防蝕之材料特性、材料自身氧化物可形成緻密氧 化層等，未來可針對上述防蝕方式與材料進行探討。

2. 後續可進行長期鹽霧環境暴露試驗，例如持續 1000、3000 與 5000 小時暴露於鹽霧環境中。

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