A fibre Bragg grating based inclinometer system for ground movement measurement

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dc.contributor.authorLi, Jin-
dc.contributor.authorCorreia, Ricardo N.-
dc.contributor.authorChehura, Edmon-
dc.contributor.authorStaines, Stephen E.-
dc.contributor.authorJames, Stephen W.-
dc.contributor.authorTatam, Ralph P.-
dc.date.accessioned2012-04-02T23:01:26Z
dc.date.available2012-04-02T23:01:26Z
dc.date.issued2010-12-31T00:00:00Z-
dc.description.abstractThe 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.identifier.citationJin 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.isbn978-081948083-5-
dc.identifier.issn0277-786X-
dc.identifier.urihttp://dx.doi.org/10.1117/12.866334-
dc.identifier.urihttp://dspace.lib.cranfield.ac.uk/handle/1826/7075
dc.publisherInternational Society for Optical Engineering; 1999en_UK
dc.rightsCopyright © 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.subjectFibre Bragg gratingen_UK
dc.subjectGround movement measurementen_UK
dc.subjectInclinometer systemen_UK
dc.titleA fibre Bragg grating based inclinometer system for ground movement measurementen_UK
dc.typeConference paper-

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