基于BOTDR的土质隧道深部围岩变形监测技术

尹龙; 王晓琳

doi:10.3973/j.issn.1672-741X.2014.02.012

隧道建设 >

2014 , Vol. 34 >Issue 2: 158 - 162

DOI: https://doi.org/10.3973/j.issn.1672-741X.2014.02.012

施工技术

基于BOTDR的土质隧道深部围岩变形监测技术

尹龙 ,
王晓琳

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（1．中铁隧道集团有限公司技术中心，河南洛阳 471009； 2. 洛阳理工学院，河南洛阳 471000）

尹龙（1980—），男，黑龙江双城人，2004年毕业于兰州交通大学，建筑环境与设备工程专业，本科，工程师，从事隧道及地下工程技术研究与管理工作。

收稿日期: 2013-10-18

修回日期: 2013-12-05

网络出版日期: 2014-02-27

基金资助

铁道部重大科技研究开发计划项目（G006-B）

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Deformation Monitoring Technology for Deep Surrounding Rocks of Soil Tunnels Based on BOTDR

IN Long ,
WANG Xiaolin

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(1.Technology Center of China Railway Tunnel Group Co., Ltd., Luoyang 471009,Henan, China; 2. Luoyang Institute of Science and Technology, Luoyang 471000,Henan,China)

Received date: 2013-10-18

Revised date: 2013-12-05

Online published: 2014-02-27

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摘要

为了解决土质隧道深部围岩变形实时连续监测的难题，在分布式光纤监测技术的基础上，采用模型设计、试验与应用工艺验证的方法，研究开发了一种用于测试土质隧道深部围岩变形的实时监测方法，得出了监测力学模型与监测方程，提出了传感器的制作、布设与安装方法以及系统集成与实时监测的工艺技术。对研究成果进行了工程实地应用验证，并取得了初步的应用效果。

关键词： ＢＯＴＤＲ; 隧道深部围岩变形; 实时监测; 传感器

本文引用格式

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 . DOI: 10.3973/j.issn.1672-741X.2014.02.012

Abstract

A new realtime deformation monitoring technology for deep surrounding rocks of soil tunnels is developed on basis of distributed optical fiber monitoring technology and by means of model design, testing and application technology verification, so as to realize the realtime continuous monitoring of the deformation of deep surrounding rocks of soil tunnels. The monitoring mechanical model and the monitoring equation are obtained; the manufacturing, arrangement and installation methods of the sensors, the system integration and the realtime monitoring technology are proposed. The study results have been testified in the field and good application effect has been achieved.

Key words： BOTDR; tunnel; deformation of deep surrounding rock; realtime monitoring; sensor

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