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Durability Performance of Submerged Concrete Structures, Phase 2. Summary Report.
| 题名： | Durability Performance of Submerged Concrete Structures, Phase 2. Summary Report. |
| 作者： | Vinik, P.; Sagues, A. |
| 关键词： | Bridges, Reinforced concrete, Corrosion, Reinforcing steel, Durability, Concrete |
| 摘要： | Thousands of Florida bridges have steel-reinforced concrete piling foundations standing in salt water. Over time, chloride ions in the water can migrate through the concrete to attack the steel inside. The Florida Department of Transportation (FDOT) has implemented designs that better protect the steel. However, many structures were built before the new standards and, as such, are more susceptible to corrosion. Steel reinforcement has been studied extensively in the section of the pile just above the water line, the so-called splash- evaporation zone, where salt buildup is greatest. The portion of the structure below the water line has been less studied, but this area can still be a site of steel degradation. University of South Florida researchers examined a number of pilings that have recently been removed from service to investigate the condition of the steel reinforcement below the water line. |
| 总页数： | Vinik, P.; Sagues, A. |
| 报告类型： | 科技报告 |
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