光纤Bragg光栅传感器在锚固工程中的应用  

Application of fiber Bragg grating sensors in anchor rods

作　　者：信思金[1] 李斯丹[1] 舒丹[1] 

机构地区：[1]武汉理工大学光纤传感技术中心,湖北武汉430070

出　　处：《华中科技大学学报（自然科学版）》2005年第3期75-77,共3页Journal of Huazhong University of Science and Technology(Natural Science Edition)

摘　　要：针对锚杆检测问题 ,提出了采用光纤Bragg光栅传感技术进行锚杆监测的新方案 ,详细介绍了光纤Bragg光栅锚杆监测系统的工作原理及主要构成 ,进行了工程现场与常规技术的对比实验 .结果表明 :光纤Bragg光栅传感器具有精度高、能测量绝对数值、抗干扰能力强、结构简单和长期稳定性好的优点 ,可以实现实时在线监测 ,具有极大的应用和发展前景 .A kind of fiber Bragg grating sensor was adopted. Based on the optical fiber Bragg grating (FBG) sensor, with the experiment of the FBG sensor and the common sensor stuck on the anchor sod compared, the results show that the FBG sensors possesses a high precision on measurement, good anti interference ability, long term stability, and simple structure. It can realize a real time and on line monitoring. As a whole, the FBG sensor has a vast range of prospects for application and development.

关 键 词：光纤BRAGG光栅传感器 锚杆 应变 张拉测试 

分 类 号：TP212[自动化与计算机技术—检测技术与自动化装置]