光纤光栅传感器在土木工程结构健康监测中的应用

Application of Fiber Grating sensors to Civil Engineering Structures Health Monitoring

在土木工程领域,光纤智能检测方法是结构健康监测中一种新的方法。本文首先系统阐述了光纤光栅传感器的独特优点,然后,对光纤光栅传感器的结构和工作原理进行详细介绍,回顾了目前光纤光栅传感器在国际上和国内用于健康监测研究和应用的现状,及其光纤健康监测系统的构成、信号处理、安装等方面问题;最后,展望了光纤光栅传感器在结构健康监测领域中的前景。

In civil engineering,the smart health monitoring method using fiber optic sensor is a new approach that evaluates the structural health condition.In this paper,firstly the special excellent characteristics of fiber bragg grating sensor are introduced in this paper,then the structure and working principles of fiber bragg sensor are emphasized,The current status of research and application of fiber grating sensors to civil engineering both domestic and abroad is introduced with some demonstrations,including the systematic construction of fiber health monitor system,the signal management and the installation,etc.Finally the paper points out the perspective usages and future of fiber optic sensing techniques in civil engineering.