摘要
BOTDA光纤传感技术在温度、应变测量上具有优于其他传感技术的测量精度、测量范围和空间分辨率。为了使该技术能成功地应用于地质灾害监测,本文一方面借助光纤传感技术应用研究基础探讨了该技术应用于边坡变形监测的若干技术问题,另一方面结合实际边坡变形监测工程,通过监测系统建设、监测效果分析和数据对比初步研究和证明了该技术在边坡变形监测中的可行性和有效性,同时对采用该技术在边坡变形监测过程中出现的问题进行了分析并提出了相应的解决方法。
Optical fiber sensing technology based on Brilouin optical time-domain analys （BOTDA） has better measurement accuracy, measurement range and spatial resolution than other kinds of optical fiber sensing technology in temperature and strain measurement. In order to apply this technology successfully to geological disaster monitoring, this paper discusses some technical problems of using this technology in slope deformation monitoring based on the application researches of other kinds of optical fiber sensing technology. By combining the slope deformation monitoring project, setting up the monitoring system, monitoring the effect analysis and comparing data, the paper studies and testifies the feasibility and effectiveness of this technology in slope deformation monitoring, analyzes the problems existing in the monitoring process and offers corresponding solutions.
出处
《安全与环境工程》
CAS
北大核心
2012年第6期28-33,共6页
Safety and Environmental Engineering
基金
国家自然基金973项目(2011CB710601)
关键词
BOTDA
光纤传感技术
边坡
变形监测
BOTDA
optical fiber sensing technology
slope
deformation monitoring
