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CATHODIC PROTECTION OF REINFORCED CONCRETE BRIDGE COMPONENTS.
| 题名： | CATHODIC PROTECTION OF REINFORCED CONCRETE BRIDGE COMPONENTS. |
| 作者： | Broomfield-JP; Tinnea-JS |
| 关键词： | CATHODIC-PROTECTION; REINFORCED-CONCRETE; BRIDGES-; BRIDGE-MEMBERS; PERFORMANCE-; CHLORIDES-; CORROSION-PREVENTION; MARINE-ATMOSPHERES |
| 摘要： | This report describes a 2-year investigation of cathodic protection (CP) systems installed on interstate highway bridges in North America. The performance of 287 systems, approximately 90% of the highway agencies systems, was reviewed through analysis of questionnaire responses and select field investigations. Overall, a majority of the systems were working well but systems in marine or other continuously wetted environments did not perform as well. Passing a CP current has the beneficial effect of removing chlorides from around the steel bar. |
| 总页数： | 1993/12. pp78 (Figs., Tabs., Refs.) |
| 报告类型： | 科技报告 |
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