【摘要】 介绍了苏通大桥结构健康监测系统研究的主要成果,分析了大跨径桥梁健康监测研究的关键问题。苏通大桥结构健康监测系统主要由四个子系统组成:(1)传感器系统(SS);(2)数据采集与传输系统(DATS);(3)数据管理与控制系统(DMCS);(4)结构健康评估系统(SHES)。其中,结构健康评估系统是苏通大桥结构健康监测和安全评价系统的核心内容。结构健康评估系统由五个模块组成:(1)桥梁评级系统;(2)适用性评估;(3)损伤诊断和预测;(4)耐久性评估;(5)安全性评估。文中较为系统地论述了目前大跨桥梁健康监测系统建立与研究中的主要问题,指出了研究结构健康评估系统的主要技术途径,阐述了大跨桥梁健康监测系统存在的问题和发展方向。更多还原

【Abstract】 The principal achievements in the health monitoring system for the Sutong Yangtze River Bridge are introduced.The main problems that exist in the establishment and study of the health monitoring system for long-span bridges are systematically discussed.The health monitoring system for the Sutong Yangtze River Bridge mainly consists of four local systems,which are(1)sensing system,(2) data adopting and transferring system,(3) data managing and controlling system,(4) structural health estimation system.And the structural health evaluating system is the core of the health monitoring system for the Sutong Yangtze River Bridge,which is composed of five parts,namely(1) bridge evaluating grade system,(2) evaluating of applicability,(3) diagnosis and prediction of damage,(4) evaluating of durability,(5) evaluating of safety.The potential technical approaches to the health evaluating system are presented.The disadvantages and the development directions of the health monitoring system for long-span bridges are discussed in detail.更多还原