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中文摘要：
沈阳伯官大桥是中国首座六跨中承式飘带形提篮斜拱桥,为确保该桥在施工及服役期间的安全,对其设计并安装了一套完整的结构健康监测系统。介绍了安装系统的仪器选型及测点布设方案,监测系统的功能、构成及其实现过程,包括传感器子系统、数据采集与传输子系统、数据管理子系统以及状态评估子系统。为满足传感器数量多、分布广、信号测量精度和同步性要求高的需求,自主研发了一套分布式结构健康监测数据同步采集仪器,实现了多类型传感器及多终端设备之间的精准同步采集。该监测系统为实时监测桥梁的响应,在线把握桥梁的性态,合理制定桥梁的养护计划,提供了有效的手段。
英文摘要：
Shenyang Boguan Bridge is the first half-through 6-span X skew arch bridge in China.To ensure the safety during its construction and service,a complete set of structural health monitoring system is designed and installed on it.In this paper,the schemes of instrument selection and placement of measuring points,as well as the function,composition and realization of the monitoring system including the sensor subsystem,data acquisition and transmission subsystem,data management subsystem and condition assessment subsystem are introduced in detail.To satisfy the high-standard requirement of the quantity,distribution,measuring accuracy and synchronism,a set of distributed data synchronous acquisition instrument for structural health monitoring is self-developed,which realizes the accurate synchronous acquisition between multi-type sensors and multiterminal instruments.This monitoring system has provided an effective means of real-time monitoring responses,on-line mastering the performance and reasonable planning the maintenance of the bridges.
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