从受监控的桥梁中检索的损坏检测数据集在损坏之前和之后进行了验证
John Leander1, Jacob Nyman2, Raid Karoumi1
1KTH Royal Institute of Technology, Stockholm, 100 44, Sweden.
Data in brief
|November 15, 2023
概括
范纳斯堡大桥的结构健康监测检测到一个结构成员的关键裂. 这些在事件发生前,期间和之后捕获的真实世界损害数据对于开发基础设施监控系统非常有价值.
科学领域:
- 结构工程 结构工程
- 土木工程 土木工程是指土木工程.
- 基础设施监测 基础设施监测
背景情况:
- 范纳斯堡大桥是一座历史悠久的钉钢基架桥 (1914-1916年),需要持续维护铁路和船舶交通.
- 已经进行了先前的评估和维护,以确保桥梁的运行状态.
研究的目的:
- 展示来自现实世界桥梁损坏事件的传感器读数的宝贵数据集.
- 为了促进数据驱动基础设施监控技术的测试和评估.
主要方法:
- 安装传感器来监测负载效应和行为变化.
- 在 64 个开桥事件中以 200 Hz 的频率连续记录数据.
- 对加速,应变,倾斜和天气条件的分析.
主要成果:
- 在2023年3月,桥梁行为发生了突然变化.
- 一次紧急检查显示,对称重的木架成员有一个显著的裂.
- 该数据集包括骨折事件发生前,期间和之后的传感器数据.
结论:
- 提供的数据集在实际情况下提供了关键的损害证据.
- 这些数据对于验证和改进基础设施监测和早期损坏检测的数据驱动方法非常有价值.
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