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Proceedings Paper

Study of a progressive failure in soil using BEDS
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Paper Abstract

In Geotechnical Engineering, progressive failure in soil-structure interaction is one of the least understood problems. It is difficult to study this phenomenon at laboratory scale, because of the large amount of strain gages required per unit length/area of the structure, which would interfere with the mechanical properties of both the structure and the soil. The recently developed Brillouin Echo Distributed Sensor (BEDS) technology overcomes this dilemma by distributed readings and 5cm spatial resolution. A laboratory pullout testing program has been carried out to verify applicability of BEDS for the study of progressive failure in the soil-structure interaction.

Paper Details

Date Published: 5 October 2009
PDF: 4 pages
Proc. SPIE 7503, 20th International Conference on Optical Fibre Sensors, 75037S (5 October 2009); doi: 10.1117/12.835115
Show Author Affiliations
Michael Iten, Institute for Geotechnical Engineering, ETHZ (Switzerland)
Alexander M. Puzrin, Institute for Geotechnical Engineering, ETHZ (Switzerland)
Dominik Hauswirth, Institute for Geotechnical Engineering, ETHZ (Switzerland)
Stella Foaleng-Mafang, Institute of Electrical Engineering, EPFL (Switzerland)
Jean-Charles Beugnot, Institute of Electrical Engineering, EPFL (Switzerland)
Luc Thévenaz, Institute of Electrical Engineering, EPFL (Switzerland)


Published in SPIE Proceedings Vol. 7503:
20th International Conference on Optical Fibre Sensors
Julian D. C. Jones, Editor(s)

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