Distributed Optical Fiber Sensor Applications in Geotechnical Monitoring

被引：16

作者：

Minardo, Aldo ^{[1
]}

Zeni, Luigi ^{[1
]}

Coscetta, Agnese ^{[1
]}

Catalano, Ester ^{[1
]}

Zeni, Giovanni ^{[2
]}

Damiano, Emilia ^{[1
]}

De Cristofaro, Martina ^{[1
]}

Olivares, Lucio ^{[1
]}

机构：

[1] Univ Campania Luigi Vanvitelli, Dept Engn, I-80131 Aversa, Italy

[2] CNR, Inst Electromagnet Sensing Environm, I-80124 Naples, Italy

来源：

SENSORS | 2021年 / 21卷 / 22期

关键词：

optical fiber sensing; landslide monitoring; rock slope failures; soil slope failures;

D O I：

10.3390/s21227514

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

We report the experimental application of distributed optical fiber sensors, based on stimulated Brillouin scattering (SBS), to the monitoring of a small-scale granular slope reconstituted in an instrumented flume and subjected to artificial rainfall until failure, and to the monitoring of a volcanic rock slope. The experiments demonstrate the sensors' ability to reveal the sudden increase in soil strain that foreruns the failure in a debris flow phenomenon, as well as to monitor the fractures in the tuff rocks. This study offers an important perspective on the use of distributed optical fiber sensors in the setting up of early warning systems for landslides in both rock and unconsolidated materials.

引用

页数：13

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