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Introduction: Physical Modeling and Material Testing Read chapter Read first chapter

2014 | OriginalPaper | Chapter

https://static-content.springer.com/image/chp%3A10.1007%2F978-3-319-05050-8_97/MediaObjects/319773_1_En_97_Figa_HTML.gif Laboratory Studies on Slope Stability Monitoring Using Distributed Fiber-Optic Sensing Technologies

Authors : Hong-Hu Zhu, Bin Shi, Jun-Fan Yan, Cheng-Cheng Zhang, Jie Zhang, Zhan-Pu Song

Published in: Landslide Science for a Safer Geoenvironment

Publisher: Springer International Publishing

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Abstract

The advances in distributed fiber optic sensing (DFOS) technologies enable automatic, remote and long-distance slope monitoring and early-warning of potential geological disasters. Compared with conventional geotechnical instruments, the fiber optic sensors have a number of advantages such as higher accuracy and repeatability, better durability, and enhanced integration capability. In this paper, the quasi-distributed Fiber Bragg Grating (FBG) and fully-distributed Brillouin Optical Time-Domain Analysis (BOTDA) sensing technologies are applied for monitoring of slope stability problems in laboratory model tests. The sensing principles and the implementation methods are introduced, followed by two case studies. The fiber optic sensors were embedded in the model slopes for strain monitoring of a soil mass during seepage and surcharge loading, respectively. The reliability of the DFOS based slope monitoring systems has been verified through the analyses of the strain monitoring results.

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previous chapter A Multi-Scaled Early Warning Method for Rainfall-Induced Mountain Hazards
next chapter A Landslide Monitoring and Early Warning System Using Integration of GPS, TPS and Conventional Geotechnical Monitoring Methods
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Metadata
Title
Laboratory Studies on Slope Stability Monitoring Using Distributed Fiber-Optic Sensing Technologies
Authors
Hong-Hu Zhu
Bin Shi
Jun-Fan Yan
Cheng-Cheng Zhang
Jie Zhang
Zhan-Pu Song
Copyright Year
2014
Book
Landslide Science for a Safer Geoenvironment

Print ISBN: 978-3-319-05049-2

Electronic ISBN: 978-3-319-05050-8

Copyright Year: 2014

DOI
https://doi.org/10.1007/978-3-319-05050-8_97