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首页> 外文会议>ASME international pipeline conference 2008 >A FIBER BRAGG GRATING SENSING SYSTEM AND ITS APPLICATION FOR MONITORING LANDSLIDES AND ASSOCIATED PIPELINES
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A FIBER BRAGG GRATING SENSING SYSTEM AND ITS APPLICATION FOR MONITORING LANDSLIDES AND ASSOCIATED PIPELINES

机译：光纤布拉格光栅传感系统及其在滑坡及相关管道监测中的应用

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摘要

The integrity of oil and gas pipelines is seriously threatened by landslides and other geohazards in tough terrain in western China. Monitoring the landslides with slow, continual movements and the strain build up in pipelines due to landslides is an effective way to maintain the serviceability of pipelines. In this paper, a monitoring system based on Fiber Bragg Grating (FBG) sensors is developed and applied. The system is made up of four related parts: the pipeline strain measurement of the with FBG strain sensors, the soil-pipeline contact pressure detecting with FBG soil pressure cells, the landslide inner deformation monitoring with pipe strain gages and the landslide surface monitoring with a special buried concrete beam with FBG sensors. The system is used to monitor a huge, slow moving landslide and the pipeline affected by it. The monitoring results are analyzed and the pipeline integrity is assessed basing the monitoring results. The FBG system has been proved to be suitable to monitor landslides and pipelines automatically and real-timely.
机译：石油和天然气管道的完整性受到中国西部艰难地形中的滑坡和其他地质灾害的严重威胁。用缓慢，连续的运动监测滑坡，以及由于滑坡而在管道中形成的应变，是保持管道使用寿命的有效方法。本文开发并应用了基于光纤布拉格光栅（FBG）传感器的监控系统。该系统由四个相关部分组成：带FBG应变传感器的管道应变测量，带FBG土压力传感器的土壤-管道接触压力检测，带管道应变计的滑坡内部变形监测以及带FBG应变计的滑坡表面监测。带有FBG传感器的特殊地下混凝土梁。该系统用于监视巨大的，缓慢移动的滑坡以及受其影响的管道。分析监测结果，并根据监测结果评估管道完整性。事实证明，FBG系统适用于自动实时监测滑坡和管道。

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  • 来源
  • 会议地点 Calgary(CA);Calgary(CA);Calgary(CA)
  • 作者

    Pengchao Chen; Jianping Liu; Jianbin Hao; Hongyuan Jing; Jianchun Zhao;

  • 作者单位

    State Key Laboratory of Precision Measuring Technology Instruments, Tianjin University, Tianjin,China PetroChina Pipeline RD Center Langfang, Hebei, China;

    PetroChina Pipeline RD Center Langfang, Hebei, China;

    PetroChina Pipeline RD Center Langfang, Hebei, China;

    PetroChina Pipeline RD Center Langfang, Hebei, China;

    Petrochina Qinghai Oilfield Company Xining,Qinghai,China;

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  • 正文语种 eng
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