FBG传感器在公路柔性基层应变监测中的应用

Application of FBG sensors in flexible base strain monitoring of highway

在山东某高速公路路段柔性基层埋设光纤光栅传感器,以进行柔性基层结构的应变场测试.根据高速公路铺设中的实际情况提出传感器埋设方案,成活率达100%.当汽车通过时,对应变场进行监测,测试结果表明:监测结果与路基所受应力相符,光纤光栅传感器用来测量高速公路柔性基层应变具有明显优势.

In Shandong some sections of highway flexible base embedded fiber Bragg grating sensor,strain field test for flexible base structure. The sensor embedded scheme according to the actual situation of highway paving,the survival rate reached 100%. When the car through,the strain field monitoring,test results show that: the monitoring results and subgrade stress line,optical fiber grating sensor is used to measure the strain has obvious advantages of flexible base in expressway.