Study of Settlement Monitoring of Metro Tunnel Based on Fiber Bragg Grating Sensing

姜甜甜; 郝真真; 钟伟; 黄元亮; 钱清泉

doi:10.13409/j.cnki.jdpme.2017.02.015

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Study of Settlement Monitoring of Metro Tunnel Based on Fiber Bragg Grating Sensing

更新时间：2025-12-11

- Study of Settlement Monitoring of Metro Tunnel Based on Fiber Bragg Grating Sensing
- Vol. 37, Issue 2, Pages: 280-287(2017)
- 作者机构：
- 作者简介：
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- DOI：10.13409/j.cnki.jdpme.2017.02.015
  CLC： 231.94;U456.3
- Published：2017
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[1]姜甜甜,郝真真,钟伟,黄元亮,钱清泉.基于光纤Bragg光栅传感的地铁拱顶沉降监测研究[J].防灾减灾工程学报,2017,37(02):280-287.

姜甜甜, 郝真真, 钟伟, et al. Study of Settlement Monitoring of Metro Tunnel Based on Fiber Bragg Grating Sensing[J]. 2017, 37(2): 280-287.
[1]姜甜甜,郝真真,钟伟,黄元亮,钱清泉.基于光纤Bragg光栅传感的地铁拱顶沉降监测研究[J].防灾减灾工程学报,2017,37(02):280-287. DOI： 10.13409/j.cnki.jdpme.2017.02.015.

姜甜甜, 郝真真, 钟伟, et al. Study of Settlement Monitoring of Metro Tunnel Based on Fiber Bragg Grating Sensing[J]. 2017, 37(2): 280-287. DOI： 10.13409/j.cnki.jdpme.2017.02.015.

摘要

通过分析双列双边授流情况下杂散电流的分布和杂散电流对金属管道的腐蚀模型

得出杂散电流对金属管道的腐蚀模型。在分析拱顶混凝土开裂过程的基础上

研究了杂散电流对隧道拱顶沉降的影响。为了实现对隧道拱顶沉降的实时监测

提出了一种新的基于光纤光栅传感器的监测方法。采用匹配光栅解调

实现了拱顶沉降的辨识

进而建立了拱顶沉降模型

最后通过仿真检测沉降模型的正确性。

Abstract

By analyzing the distribution and the corrosion model of stray current for metal pipeline in the case of bilateral power supply to two trains

we obtain the corrosion model of stray current on metal pipe.On the basis of analyzing the process of the concrete cracking of the vault

the influence of stray current on the vault settlement of tunnel is studied.In order to realize the real time monitoring of tunnel vault settlement

a new monitoring method based on Fiber Bragg Grating sensor is proposed.On the basis of the method

we use matched grating demodulation and the vault settlement parameters are identified via matching grating demodulation.According to these parameters

a settlement model is built.Finally

the correctness of the model is tested by simulation.

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references

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