High density distributed strain sensing of landslide in large scale physical model

L. Schenato; M. Camporese; S. Bersan; S. Cola; A. Galtarossa; A. Pasuto; P. Simonini; P. Salandin; L. Palmieri

doi:10.1117/12.2263284

23 April 2017 High density distributed strain sensing of landslide in large scale physical model

L. Schenato, M. Camporese, S. Bersan, S. Cola, A. Galtarossa, A. Pasuto, P. Simonini, P. Salandin, L. Palmieri

Author Affiliations +

Proceedings Volume 10323, 25th International Conference on Optical Fiber Sensors; 1032364 (2017) https://doi.org/10.1117/12.2263284
Event: 25th International Conference on Optical Fiber Sensors, 2017, Jeju, Korea, Republic of

Abstract

This paper describes the application of a commercial distributed optical fiber sensing system to a large scale physical model of landslide. An optical fiber cable, deployed inside the landslide body, is interrogated by means of optical frequency domain reflectometry with very high spatial density. A shallow landslide is triggered in the physical model by artificial rainfall and the evolution of the strain is measured up to the slope failure. Precursory signs of failure are detected well before the collapse, providing insights to the failure dynamic.

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L. Schenato, M. Camporese, S. Bersan, S. Cola, A. Galtarossa, A. Pasuto, P. Simonini, P. Salandin, and L. Palmieri "High density distributed strain sensing of landslide in large scale physical model", Proc. SPIE 10323, 25th International Conference on Optical Fiber Sensors, 1032364 (23 April 2017); https://doi.org/10.1117/12.2263284

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