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基于CFRP板材施加预应力桥梁加固动力性能研究
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(上海市政设计研究总院(集团)有限公司, 上海 200092)

作者简介:

Yang Li, Senior Engineer. Work direction: Bridge engineering design research. Shanghai Municipal Engineering Design Institute (Group) Co., Ltd. Shanghai 200092, China.

通讯作者:

Yang Li

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Study on the Dynamic Performance of a Bridge Reinforced with CFRP Plates
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(Shanghai Municipal Engineering Design Institute (Group) Co., Ltd, Shanghai 200092, China)

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    摘要:

    采用CFRP板施加预应力是目前有效的桥梁加固技术。论文完整介绍了一座采用CFRP预应力板加固后的桥梁动力性能试验,包括结构模态、跑车试验、刹车试验和跳车试验,监测了结构动位移、动应变及相关冲击作用,证明了CFRP预应力板加固效果十分理想。相关结论和数据可为类似桥梁的动力试验提供参考。

    Abstract:

    Using carbon fiber reinforced polymer (CFRP) plates is currently an effective technique for bridge rein-forcement. This study fully introduces a dynamic performance test of a bridge reinforced with prestressed CFRP plates, including a structural modal test, moving vehicle test, braking test, and bumping test. The dynamic displacement, dynamic strain, and related impact effects of the structure were monitored, which demonstrated the high effectiveness of prestressed CFRP plates in reinforcing bridges. Relevant findings and data provide a reference for the dynamic testing of similar bridges.

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引用本文

Yang Li Study on the Dynamic Performance of a Bridge Reinforced with CFRP Plates. Prestress Technology 2023,1(02):38-52. 10.59238/j. pt.2023.02.004

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历史
  • 收稿日期:2023-05-03
  • 最后修改日期:2023-05-17
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  • 在线发布日期: 2023-09-25
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