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Corrosion Protection Performance of Corrosion Inhibitors and Epoxy-Coated Reinforcing Steel in a Simulated Concrete Pore Water Solution
| 题名： | Corrosion Protection Performance of Corrosion Inhibitors and Epoxy-Coated Reinforcing Steel in a Simulated Concrete Pore Water Solution |
| 作者： | Pyc, W. A.; Weyers, R. E.; Sprinkel, M. M. |
| 关键词： | Corrosion prevention##Reinforcing steels##Epoxy coatings##Performance evaluation##Calcium nitrite##Pitting tests##Reinforced concrete##Amines##Damage assessment##Virginia##Bridges(Structures)##Test methods## |
| 摘要： | We used a simulated concrete pore water solution to evaluate the corrosion protection performance of concrete corrosion-inhibiting admixtures and epoxy-coated reinforcing bars (ECR). We evaluated three commercial corrosion inhibitors, ECR from three coaters removed from job sites, one ECR shipped directly from the coater's plant, and one ECR removed from a job site plus a corrosion inhibitor. The corrosion inhibitors were calcium nitrite, and aqueous mixture of esters and amines, and a mixture of alcohol and amine. Corrosion protection performance was based on the amount of visually observed corroded surface area. The researchers recommend that the developed test method be adopted as a standard test for concrete corrosion inhibitors and that calcium nitrite remain the only concrete corrosion inhibitor approved for use in Virginia. |
| 总页数： | 54 |
| 报告类型： | 科技报告 |
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