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CONCRETE BRIDGE PROTECTION AND REHABILITATION: CHEMICAL AND PHYSICAL TECHNIQUES. FEASIBILITY STUDIES OF NEW REHABILITATION TECHNIQUES.
| 题名： | CONCRETE BRIDGE PROTECTION AND REHABILITATION: CHEMICAL AND PHYSICAL TECHNIQUES. FEASIBILITY STUDIES OF NEW REHABILITATION TECHNIQUES. |
| 作者： | Dillard-JG; Glanville-JO; Collins-WD; Weyres-RE; Al-Qadi-IL |
| 关键词： | CONCRETE-BRIDGES; BRIDGE-MAINTENANCE; REHABILITATION-; CHEMICALS-; CORROSION-PREVENTION; FEASIBILITY-STUDIES; CORROSION-INHIBITORS; POLYAPHRONS-; CHLORIDES-; EFFECTIVENESS-; STRATEGIC-HIGHWAY-RESEARCH-PROGRAM |
| 摘要： | This study examined and developed feasible chemical methods for the corrosion protection of reinforcing steel in concrete bridges. A broad spectrum of chemicals were evaluated: corrosion inhibitors, chloride scavengers, and polyaphrons. Inhibitors were evaluated and recommendations were made. Reinforced concrete specimens were cast and subjected to repeated exposure to sodium chloride solution and evaluated to investigate the inhibitors effectiveness after removing contaminated concrete. Corrosion progress was monitored. Polyaphrons were investigated as a possible corrosion preventor/reducer inhibitor. Based on results, polyaphrons are not recommended as a practical concrete bridge treatment. |
| 总页数： | 1993. pp169 (Figs., Tabs., Refs., 3 App.) |
| 报告类型： | 科技报告 |
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