优化传感器放置,提高中高层建筑结构健康监测效率
Salman Saeed1,2, Sikandar H Sajid2,3, Luc Chouinard2
1National Institute of Urban Infrastructure Planning, University of Engineering & Technology, Peshawar 25000, Pakistan.
Sensors (Basel, Switzerland)
|September 14, 2024
概括
本研究介绍了一种高效的传感器放置策略,用于使用环境振动测试进行结构监测. 角线传感器布局为建筑物提供了全面的模式数据,克服了传统方法的局限性.
科学领域:
- 结构工程 结构工程
- 振动分析 振动分析
- 土木工程 土木工程是指土木工程.
背景情况:
- 通过环境振动测试进行仅输出模式分析对于监测大型土木结构至关重要.
- 当前的方法往往需要广泛的仪器仪表,对大规模项目构成时间和资源挑战.
- 现有的中心线传感器布局是经济的,但往往无法捕获完整的模态信息,特别是扭矩模式.
研究的目的:
- 开发一个优化的传感器放置策略,以便对中高层建筑进行准确的模式分析.
- 解决传统传感器布局在捕获综合模式数据方面的局限性.
- 提出一个具有成本效益和高效的结构健康监测方法.
主要方法:
- 拟议的角线传感器布局使用单个参考和漫游传感器.
- 进行了参数研究,以确定每个楼层的最佳传感器位置.
- 通过对两个中高层建筑进行实地实验,验证了拟议的方法.
主要成果:
- 角线传感器布局有效地提供最大的模式信息,可与3D拓相提并论.
- 在每个楼层的角落位置确定了最佳的传感器放置位置.
- 实地实验证实了拟议的角线战略的有效性.
结论:
- 拟议的角线传感器布局是一种有效和高效的方法,用于对中高层建筑物进行输出式模式分析.
- 这种方法克服了传统传感器配置的局限性,特别是在捕获扭矩模式时.
- 经过验证的方法为大规模结构监测和地震脆弱性评估提供了实际解决方案.
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