- 期刊
膠化瀝青塗層對鋼筋混凝土梁之防蝕效益探討
A Study of Rubberized Asphalt Coating on the Steel Bar to Provent Corrosion of Reinforced Concrete Beam
摘要
This study is mainly to investigate the effect of rubberized asphalt coating on the corrosion prevention of steel embedded in ordinary Portland cement concrete beam. The parameters are whether the steel bar coated with rubberized asphalt or not, as well as the corrosion behavior of steel embedded in concrete beam under static and repeated loading. The concrete beam is designed according to ACI 318-89 code with the requirement of w/c ratio less than 0.4 and fc＞5000 psi , and by densified mixture design algorithm (DMDA). The test results indicate that before concrete crack, the concrete cover provide excellent protection effect to prevent the steel from corrosion. However, after beam cracked, the concrete protection layer no longer provides protection for steel, and it is corroded immediately. In such case, the rubberized asphalt coating then takes turn to prevent the steel from corrosion.
並列摘要
This study is mainly to investigate the effect of rubberized asphalt coating on the corrosion prevention of steel embedded in ordinary Portland cement concrete beam. The parameters are whether the steel bar coated with rubberized asphalt or not, as well as the corrosion behavior of steel embedded in concrete beam under static and repeated loading. The concrete beam is designed according to ACI 318-89 code with the requirement of w/c ratio less than 0.4 and fc＞5000 psi , and by densified mixture design algorithm (DMDA). The test results indicate that before concrete crack, the concrete cover provide excellent protection effect to prevent the steel from corrosion. However, after beam cracked, the concrete protection layer no longer provides protection for steel, and it is corroded immediately. In such case, the rubberized asphalt coating then takes turn to prevent the steel from corrosion.
延伸閱讀
- 劉文宗、郭齡鴻、汪煒傑、姜馨雅（2020）。開放級配橡膠瀝青混凝土力學特性之探討。鋪面工程，18(2)，67-74。https://www.airitilibrary.com/Article/Detail?DocID=16822730-202006-202012280016-202012280016-67-74
- 廖敏志、胡謦宇、羅玉珊（2020）。橡膠瀝青混凝土之張力特性評估。鋪面工程，18(1)，15-22。https://www.airitilibrary.com/Article/Detail?DocID=16822730-202003-202005080011-202005080011-15-22
- 劉文宗、張偉哲、黃詺瑋、翁俊堯（2010）。不同等級瀝青膠泥應用在排水鋪面之研究。鋪面工程，8(2)，29-40。https://doi.org/10.29996/PE.201006.0004
- Wang, K. R., Liu, Z. Y., Wang, Z. X., & Yang, W. B. (2014). Study on Polymer Modified Cement-Based Coating with Healing Effect on Rusty Carbon Steel. International Journal of Corrosion, (2014), 146-152. https://doi.org/10.1155/2014/628191
- 黃兆龍、張大鵬、王和源、邱英嘉（1993）。The Effect of Steel Corrosion on Bond Strength of Reinforced Concrete。防蝕工程，7(3)，45-51。https://doi.org/10.6376/JCCE.199309.0045