物联网RFID技术在大跨径桥梁结构健康监测中的应用研究  

Research on the Application of RFID Technology in Structural Health Monitoring of Long-Span Bridges

作　　者：盛伟伟 SHENG Weiwei(Tiezheng Testing Technology Co.Ltd.,Jinan Shandong 250014,China;China Railway 14th Bureau Group Co.Ltd.,Jinan Shandong 250014,China)

机构地区：[1]铁正检测科技有限公司,山东济南250014 [2]中铁十四局集团有限公司,山东济南250014

出　　处：《铁道建筑技术》2024年第12期163-166,共4页Railway Construction Technology

基　　金：山东省技术创新项目(202250101012)。

摘　　要：常规的大跨径桥梁结构健康监测方法主要使用LoRa扩频通信覆盖法接入监测传感中心,易受过长的监测周期影响,导致主梁竖向形变量监测数据异常,因此,需基于物联网RFID技术设计一种全新的大跨径桥梁结构健康监测方法。利用物联网RFID技术布设健康监测传感器节点,处理桥梁结构健康监测数据,从而实现大跨径桥梁结构健康监测。试验结果表明,设计的大跨径桥梁结构健康监测方法在不同监测点下监测的主梁竖向形变量与实际主梁竖向形变量吻合度较高,证明采用的大跨径桥梁结构健康监测方法其准确度较好,具有一定的应用价值。Conventional long-span bridge structural health monitoring methods mainly use LoRa spread spectrum communication coverage method to access the monitoring sensor center;which is easy to be affected by a long monitoring period,resulting in abnormal monitoring of the vertical shape variables of the main beam.Therefore,it is necessary to design a new long-span bridge structural health monitoring method based on the Internet of Things RFID technology.That is,the health monitoring sensor node is deployed by using the RFID technology of the Internet of Things to process the health monitoring data of the bridge structure,so as to realize the health monitoring of the long-span bridge structure.The experimental results show that the designed long-span bridge structural health monitoring method has high degree of conformity between the vertical shape variables of main beams monitored at different monitoring points and the actual vertical shape variables of main beams,which proves that the designed long-span bridge structural health monitoring method has good accuracy and certain application value.

关 键 词：物联网技术 RFID技术 大跨径桥梁结构 传感器节点 健康监测 

分 类 号：U446[建筑科学—桥梁与隧道工程]