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Monitoring and warning of landslides and debris flows using an optical fiber sensor technology |
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| Authors: | Huafu Pei Peng Cui Jianhua Yin Honghu Zhu Xiaoqing Chen Laizheng Pei Dongsheng Xu |
| Institution: | PEI Huafu1,CUI Peng2,YIN Jianhua1*,ZHU Honghu3,CHEN Xiaoqing2,PEI Laizheng2,XU Dongsheng1 1 Department of Civil and Structural Engineering,the Hong Kong Polytechnic University,Hong Kong,China 2 Institute of Mountain Hazards and Environment,CAS,Chengdu 610041,China 3 School of Earth Sciences and Engineering,Nanjing University,Nanjing 210093,China |
| Abstract: | Landslides and debris flows are typical geo-hazards which occur in hilly or mountainous regions. Debris flows may result from landslides. Geotechnical instrumentation plays an important role in monitoring and warning of landslides and resulted debris flows. Traditional technologies for monitoring landslides and debris flows have certain limitations. The new optical fiber sensors presented in this paper can overcome those limitations. This paper presents two new optical fiber sensor systems: one is the Fiber... |
| Keywords: | Landslide Debris flow Fiber Bragg Grating In-place inclinometer Column-net system |
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