A fibre Bragg grating based inclinometer system for ground movement measurement

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dc.contributor.author Li, Jin -
dc.contributor.author Correia, Ricardo N. -
dc.contributor.author Chehura, Edmon -
dc.contributor.author Staines, Stephen E. -
dc.contributor.author James, Stephen W. -
dc.contributor.author Tatam, Ralph P. -
dc.date.accessioned 2012-04-02T23:01:26Z
dc.date.available 2012-04-02T23:01:26Z
dc.date.issued 2010-12-31T00:00:00Z -
dc.identifier.citation Jin Li, Ricardo Correia, Edmond Chehura, Stephen Staines, Stephen W. James and Ralph P. Tatam, A fibre Bragg grating-based inclinometer system for ground movement measurement, Fourth European Workshop on Optical Fibre Sensors, Proc. SPIE 7653, 765314 (2010); 8 September 2010 Porto, Portugal.
dc.identifier.isbn 978-081948083-5 -
dc.identifier.issn 0277-786X -
dc.identifier.uri http://dx.doi.org/10.1117/12.866334 -
dc.identifier.uri http://dspace.lib.cranfield.ac.uk/handle/1826/7075
dc.description.abstract The measurement of ground movement is an essential part of many geotechnical engineering operations. For decades, inclinometer systems have traditionally been used for this purpose to provide crucial information to engineers and researchers. However, conventional inclinometer systems have their limitations, such as high cost and poor durability. In this paper a fibre optic based inclinometer system is reported, which utilizes fibre Bragg grating sensors attached to the casing of a conventional inclinometer. The characterization of the sensor revealed good agreement with theory and conventional displacement measurements. For a casing of length 2.5 m, the minimum measureable deflection of the top of the casing was found to be 0.48 mm when the FBGs were interrogated with a 1 pm wavelength resolution system. en_UK
dc.publisher International Society for Optical Engineering; 1999 en_UK
dc.rights Copyright © 2009 Society of Photo-Optical Instrumentation Engineers. This paper was published in SPIE 7503 and is made available as an electronic reprint with permission of SPIE. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper are prohibited.
dc.subject Fibre Bragg grating en_UK
dc.subject Ground movement measurement en_UK
dc.subject Inclinometer system en_UK
dc.title A fibre Bragg grating based inclinometer system for ground movement measurement en_UK
dc.type Conference paper -

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