Share Email Print
cover

Proceedings Paper

Measuring soil strains using fiber optic sensors
Author(s): Craig Emerson Miller; M. G. Sharma; James A. Sherwood
Format Member Price Non-Member Price
PDF $17.00 $21.00
cover GOOD NEWS! Your organization subscribes to the SPIE Digital Library. You may be able to download this paper for free. Check Access

Paper Abstract

The measurement of strain within a compacted soil mass using optical fibers was demonstrated. The sensitivity of the fiber optic sensor was shown to match that of an existing soil strain sensor. Experimental data were gathered by dynamically loading the soil. Data from the optical fibers was processed by a Fabry-Perot interferometer into a localized strain. The data was verified by comparing with data obtained from a LVDT and a commercial soil strain sensor as well as theoretical data obtained from a finite element analysis. The data indicate that fiber optic sensors have the ability to detect viscoelastic soil strains and may be used to measure the permanent deformation of soil.

Paper Details

Date Published: 22 April 1996
PDF: 12 pages
Proc. SPIE 2719, Smart Structures and Materials 1996: Smart Systems for Bridges, Structures, and Highways, (22 April 1996); doi: 10.1117/12.238845
Show Author Affiliations
Craig Emerson Miller, The Pennsylvania State Univ. (United States)
M. G. Sharma, The Pennsylvania State Univ. (United States)
James A. Sherwood, Federal Highway Administration (United States)


Published in SPIE Proceedings Vol. 2719:
Smart Structures and Materials 1996: Smart Systems for Bridges, Structures, and Highways
Larryl K. Matthews, Editor(s)

© SPIE. Terms of Use
Back to Top