一种基于布里渊光时域反射的土质隧道分布式光纤传感应用技术

doi:10.3973/j.issn.1672-741X.2013.02.004

隧道建设（中英文） ›› 2013, Vol. 33 ›› Issue (2): 110-115.DOI: 10.3973/j.issn.1672-741X.2013.02.004

一种基于布里渊光时域反射的土质隧道分布式光纤传感应用技术

王菀¹, 干昆蓉¹, 施斌², 张丹^2

（1.中铁隧道集团技术中心，河南洛阳 471009; 2.南京大学, 江苏南京 210000）

收稿日期:2012-10-23 修回日期:2012-11-29 出版日期:2013-02-20 发布日期:2013-03-05
作者简介:王菀(1965—），女，江苏徐州人，1988年毕业于洛阳大学计算机应用专业，本科，工程师，主要从事隧道及地下工程技术研究与管理工作。
基金资助:
铁道部科技创新计划（2009G006-B）

Application of Distributed Optical Fiber Sensing Technology Based on Brillouin Optical Time Domain Reflectometer in Soil Tunnel

WANG Wan¹, GAN Kunrong¹, SHI Bin², ZHANG Dan²

(1. Technology Center of China Railway Tunnel Group, Luoyang 471009, Henan, China; 2. Nanjing University, Nanjing 210000, Jiangsu, China)

Received:2012-10-23 Revised:2012-11-29 Online:2013-02-20 Published:2013-03-05

摘要/Abstract

摘要：

为了开发一种高密度实时监测技术，用于及时了解隧道开挖面前方地层的变形情况，在分布式光纤监测技术的已有成果基础上，采用模型设计、室内试验与应用工艺验证的方法，研究开发一种用于土质隧道围岩超前位移监测的方法，得出监测力学模型与监测方程，提出传感器的制作与标定、布设与安装，系统集成与实时监测的工艺技术。研究成果在工程实践应用中得到了验证，取得了初步的应用效果。

关键词: BOTDR, 石家庄隧道, 砂黏土, 位移监测

Abstract:

The purpose of the paper is to develop a kind of highfrequency realtime monitoring technology so as to insight into the deformation of the ground ahead of the tunnel face. Model design, indoor experiment and application verification are made on basis of the study results of distributed optical fiber monitoring technology. In the end, a kind of technology that can monitor the deformation of ground ahead of the face of soil tunnels is developed, the mechanical model of the monitoring and the monitoring equation are achieved, and the technology of the fabrication and calibration of the optial fiber sensors, the layout and installation of the sensors, and the system integration and realtime monitoring are proposed. The study results have been applied in actual works and good effects have been achived. 

Key words: BOTDR, Shijiazhuang tunnel, sandy clay, displacement monitoring

王菀, 干昆蓉, 施斌, 张丹. 一种基于布里渊光时域反射的土质隧道分布式光纤传感应用技术[J]. 隧道建设, 2013, 33(2): 110-115.

WANG Wan, GAN Kunrong, SHI Bin, ZHANG Dan. Application of Distributed Optical Fiber Sensing Technology Based on Brillouin Optical Time Domain Reflectometer in Soil Tunnel[J]. Tunnel Construction, 2013, 33(2): 110-115.

[1]	尹龙，王晓琳. 基于BOTDR的土质隧道深部围岩变形监测技术[J]. 隧道建设, 2014, 34(2): 158-162.
[2]	尹龙. 钻孔灌注桩位移BOTDR分布式光纤监测技术[J]. 隧道建设, 2012, 32(增刊2): 210-213.

一种基于布里渊光时域反射的土质隧道分布式光纤传感应用技术

Application of Distributed Optical Fiber Sensing Technology Based on Brillouin Optical Time Domain Reflectometer in Soil Tunnel

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