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Repair of Reinforced Concrete Bridge Columns via Plastic Hinge Relocation. Volume 1: Repair Using Conventional Materials.
| 题名： | Repair of Reinforced Concrete Bridge Columns via Plastic Hinge Relocation. Volume 1: Repair Using Conventional Materials. |
| 作者： | Krish, Z. F.; Kowalsky, M. J.; Nau, J. M.; Seracino, R. |
| 关键词： | Reinforced concrete bridges, Earthquake resistant design, Conventional materials, Repairing, Plastic hinge relocation, Buckled reinforcement, Fractured reinforcement |
| 摘要： | Presented in this report is research aimed at challenging the assumption that severely damaged reinforced concrete bridge columns are not easily repaired. An experimental program was conducted in which six large scale bridge columns exhibiting buckled and fractured reinforcement were repaired using plastic hinge relocation and conventional materials. Discussion of several repair methods is presented along with the introduction of a simplified analytical approach by which the repair can be designed, and repaired member performance obtained. In addition, a rational approach to assessing the limits of residual drift in a damaged system is presented, considering the availability of such a repair. |
| 报告类型： | 科技报告 |
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