润扬长江大桥结构健康监测系统研究

Health monitoring system for the Runyang Yangtse River Bridge

介绍了国家重点工程———润扬长江大桥结构健康监测系统研究的主要成果 ,综合评述了大跨桥梁健康监测研究的主要进展和关键问题 .主要内容包括 :系统的构成、目标和主要子系统的功能、监测项目的确定和布点策略、监测仪器的选择与检测技术分析、桥梁结构状态识别与安全性评估的方法与策略等 .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 ,指出了结构健康监测技术、状态识别和可靠性评估的可能技术途径 ,阐述了大跨桥梁健康监测系统的发展方向 .

The principal achievements in the health monitoring system for the Runyang Yangtse River Bridge investigated are introduced. The main progress and problems that existed in the establishment and study of the health monitoring system for long-span bridges are systematically discussed with respect to the composition and objective of the system, functions of main sub-systems, determination of the monitoring items, selection of monitoring instruments, analysis of the inspection technology, status identification and safety evaluation of the bridge. Potential technical approaches to the monitoring technology, status identification and reliability evaluation of structural health monitoring are presented. The development of the health monitoring system for long-span bridges is discussed.