两种FRP加固技术在某桥梁加固中的应用

P. Casadei, N. Galati, R. Parretti, A. Nanni
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引用次数: 8

摘要

介绍了采用外粘接纤维增强聚合物(FRP)层压板和近表面贴装FRP筋对混凝土桥梁进行抗弯加固的方法。可以得出以下结论:由于FRP加固,桥梁的荷载分配被取消;玻璃钢系统的外部带状层压板和近表面安装钢筋的形式表明是一种可行的解决方案,以加强混凝土桥梁;现场负荷试验已被证明是有用和令人信服的;有限元分析结果与试验结果吻合较好,验证了加固技术的有效性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Strengthening of a Bridge Using Two FRP Technologies
The use of externally bonded fiber reinforced polymer (FRP) laminates and near surface mounted FRP bars is presented for the flexural strengthening of a concrete bridge. The following conclusion can be drawn: as a result of the FRP strengthening, load posting of the bridge was removed; FRP systems either in the form of externally banded laminates and near surface mounted bars showed to be a feasible solution for the strengthening of the concrete bridge; in situ load testing has proven to be useful and convincing; and the FEM analysis has shown good match with experimental results demonstrating the effectiveness of the strengthening techniques.
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