大跨桥梁健康监测系统设计构成及其进展

随着大跨、轻、柔等新型桥型的不断建造,桥梁结构运营状态的安全性及耐久性受到工程界高度重视.大跨度桥梁的实时结构健康监测和近实时结构安全评估工作也成为工程界及学术界研究的热点问题.介绍桥梁健康监测与评估系统的内容及系统构成,简要回顾国内外大型桥梁健康监测与评估系统的研究现状,阐述桥梁健康监测与评估项目的发展现状、趋势及前景,并重点分析武汉阳逻长江大桥健康监测系统的研究成果.

Designed Components and Development of Health Monitoring Systems for Long Span Bridges

With the constant construction of the new types of long span, lightweight and flexible structure bridges, the safety and durability of the bridges in operation state have attracted great concern from engineering circle and the real-time structural health monitoring and the near real-time structural safety evaluation of the bridges have also become the hot research subjects in the engineering and academic circles. The contents and components of the monitoring and evaluation systems are presented herewith, the current research of the monitoring and evaluation systems for some major bridges at home and abroad are reviewed, the state-of-the-art, development tendency and prospecting of the monitoring system and evaluation items are described and the research findings of the monitoring system for Wuhan Yangluo Changjiang River Bridge are particularly analyzed.