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润扬大桥将GPS系统应用于桥梁结构安全监测系统,主要用于监测悬索桥的桥身和桥塔瞬间位移,并推算其相应的位移量及各相应主要构件的应力状况。文章重点介绍了GPS系统的构成、工作原理和在润扬大桥结构安全监测系统中GPS系统的应用,并基于系统运行一年来GPS采集的各类数据分析了润扬大桥结构的工作载荷和响应,主要包括风力效应监测和交通荷载效应监测的结果。
Runyang Bridge GPS system will be applied to the bridge structural safety monitoring system is mainly used to monitor the suspension bridge and the bridge tower instantaneous displacement and calculate the corresponding displacement and the corresponding main components of the stress conditions. This paper mainly introduces the structure and working principle of GPS system and the application of GPS system in Runyang Bridge structural safety monitoring system. Based on various data collected by GPS during the year of operation, this paper analyzes the working load and response of Runyang Bridge structure, Mainly including the results of wind-effect monitoring and traffic load monitoring.