Study on Application of Fiber Bragg Grating Sensors in Structural Health Monitoring of Steel Frame

嵇雪蘅; 李宏男; 任亮; 孙丽

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Study on Application of Fiber Bragg Grating Sensors in Structural Health Monitoring of Steel Frame

更新时间：2025-12-11

- Study on Application of Fiber Bragg Grating Sensors in Structural Health Monitoring of Steel Frame
- Issue 1, Pages: 43-48(2008)
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  CLC： P274
- Published：2008
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[1]嵇雪蘅,李宏男,任亮,孙丽.光纤布拉格光栅传感器在钢架结构健康监测中的应用研究[J].防灾减灾工程学报,2008(01):43-48.

嵇雪蘅, 李宏男, 任亮, et al. Study on Application of Fiber Bragg Grating Sensors in Structural Health Monitoring of Steel Frame[J]. 2008, (1): 43-48.
[1]嵇雪蘅,李宏男,任亮,孙丽.光纤布拉格光栅传感器在钢架结构健康监测中的应用研究[J].防灾减灾工程学报,2008(01):43-48. DOI：

嵇雪蘅, 李宏男, 任亮, et al. Study on Application of Fiber Bragg Grating Sensors in Structural Health Monitoring of Steel Frame[J]. 2008, (1): 43-48. DOI：

摘要

光纤布拉格光栅（FBG）传感器凭借其体积小、灵敏度高、耐腐蚀、抗电磁干扰、分布或者准分布式测量、可实现远距离的监测与传输等优点

在土木工程健康监测中得到日益广泛的应用。本文在光纤布拉格光栅（FBG）传感器的传感原理、标定试验研究基础上

讨论了利用FBG传感系统监测钢架结构在冲击荷载作用下的应变和加速度的可行性;同时利用ANSYS有限元分析软件建立了适用于结构分析的有限元模型

对钢架结构进行了详细的仿真分析计算

最后对理论计算结果及实测结果进行了详细的对比分析

所取得的结果比较接近。研究表明

光纤布拉格光栅传感器可以很好的测量钢架结构的动态响应。

Abstract

Fiber Bragg grating（FBG） sensors present a great deal of potential in monitoring the structural due to their advantages such as immunity to electromagnetic interference

light weight

small size

multiplexing capabilities

ease of installation and durability.In this paper

the sensing principle is explained at first

and the strain transferring character is conducted in the calibration experiment on the steel plate using universal testing machine

then the research work focus on the dynamic strain measurement and natural frequencies of a steel frame with three stories using a FBG sensing system through experimental and numerical calculation.Two FBG strain sensors were designed and mounted on the steel frame. In a series of impact loading experiments

the data measured by FBG sensors were collected throughout a commercial FBG wavelength interrogation system.The comparison of experimental and numerical results revealed that the FBG sensors have ability of measurement of the dynamic strain of the steel frame structure in real time.

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references

光纤光栅传感器在上海旗忠网球中心施工监控中的应用研究 [J]. 薛伟辰,徐壮涛,刘晟. 结构工程师 . 2007(01)

光纤健康监测方法在土木工程中的研究与应用进展 [J]. 李宏男,李东升,赵柏东. 地震工程与工程振动 . 2002(06)

土木工程结构安全性评估、健康监测及诊断述评 [J]. 李宏男,李东升. 地震工程与工程振动 . 2002(03)

光纤光栅传感技术与工程应用研究 [D]. 孙丽. 大连理工大学 2006

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Recent applications of fiber optic sensors to health monitoring in civil engineering [J] . Hong-Nan Li,Dong-Sheng Li,Gang-Bing Song. Engineering Structures . 2004 (11)

Fiber Optic Sensors for Bridge Monitoring [J] . Joan R. Casas,Paulo J. S. Cruz. Journal of Bridge Engineering . 2003 (6)

Review of the present status of optical fiber sensors [J] . Byoungho Lee. Optical Fiber Technology . 2003 (2)

Strain monitoring insteel rock bolts using FBG sensor arrays[A].Applicationof Optical Fiber Sensors . Schroeck M,Eoke W,Graupner A. Proceedings of SPIE the International Society for Optical Engineering . 2000

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