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Proceedings Paper

Development of a fibre-optic stress cell for geotechnical applications
Author(s): T. Francis H. Legge; Pieter L. Swart; Gideon van Zyl; Anatoli A. Chtcherbakov
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Paper Abstract

This paper reports on the results of an investigation into the feasibility of a fibre Bragg grating stress cell for use in a geotechnical environment. To increase the transverse sensitivity of the sensor, we encapsulated it in silicon rubber. Tests were performed in two types of singular grained compacted silica sands. The data obtained with the calibrated stress cell agreed well with the Boussinesq stress, and it is shows a fair degree of repeatability.

Paper Details

Date Published: 23 May 2005
PDF: 4 pages
Proc. SPIE 5855, 17th International Conference on Optical Fibre Sensors, (23 May 2005); doi: 10.1117/12.623585
Show Author Affiliations
T. Francis H. Legge, Rand Afrikaans Univ. (South Africa)
Pieter L. Swart, Rand Afrikaans Univ. (South Africa)
Gideon van Zyl, Rand Afrikaans Univ. (South Africa)
Anatoli A. Chtcherbakov, Rand Afrikaans Univ. (South Africa)

Published in SPIE Proceedings Vol. 5855:
17th International Conference on Optical Fibre Sensors
Marc Voet; Reinhardt Willsch; Wolfgang Ecke; Julian Jones; Brian Culshaw, Editor(s)

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