| 基于分布式光纤传感的形变探测管试验研究 |
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| 引用本文： | 王少力,朱萍玉,陆洁,张子才. 基于分布式光纤传感的形变探测管试验研究[J]. 光纤与电缆及其应用技术, 2010, 0(1): 19-22 |
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| 作者姓名： | 王少力 朱萍玉 陆洁 张子才 |
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| 作者单位： | 湖南科技大学机械设备健康维护湖南省重点实验室,湖南湘潭411201 |
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| 基金项目： | 国家水利部“948”引进国际先进技术基金资助项目（200608） |
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| 摘 要： | 介绍了分布式光纤形变探测管的结构及探测原理,推导了光纤应变与分布式光纤形变探测管沉降量的理论关系,测定了试验用传感光纤的弹性系数,基于DiTeSt-STA202分布式光纤传感分析仪进行了分布式光纤形变探测管土体形变监测的试验研究。研究结果表明,分布式光纤形变探测管应用于实时土体形变监测具有良好的实用性。
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| 关 键 词： | 分布式光纤传感 探测 形变 土体监测 |
The Experimental Study of a Deformation Detecting Tube Based on Distributed Optical Fiber Sensing |
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| WANG Shao-li,ZHU Ping-yu,LU Jie,ZHANG Zi-cai. The Experimental Study of a Deformation Detecting Tube Based on Distributed Optical Fiber Sensing[J]. Optical Fiber & Electric Cable and Their Applications, 2010, 0(1): 19-22 |
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| Authors: | WANG Shao-li ZHU Ping-yu LU Jie ZHANG Zi-cai |
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| Affiliation: | (Health Maintenance for Mechanical Equipment Key Lab.of Hunan Province,Hunan University of Science and Technology,Xiangtan 411201,Hunan,China) |
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| Abstract: | The structure and the detecting principle of a new type deformation detecting tube based on distributed optical fiber sensing are briefly introduced.The theory formula,i.e.,the relationship between the sensing fiber＇s strain and the settlement of the new deformation detecting tube is given.The elasticity coefficient of the sensing fiber which is used in the following experiment is experiment determined.The experiment which is to monitor the soil body＇s deformation by the new deformation detecting tube based on distributed optical fiber sensing is conducted.And the experiment is based on DiTeSt-STA202,a distributed optical fiber sensing analyzer.The study confirms that the new deformation detecting tube based on distributed optical fiber sensing proposed is practical to be used in real-time monitoring the deformation of the soil body. |
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| Keywords: | distributed optical fiber sensing detecting deformation monitoring of the soil body |
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