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Monitoring the dynamic displacements of railway track

Bowness, D., Lock, A.C., Powrie, W., Priest, J.A. and Richards, D.J. (2007) Monitoring the dynamic displacements of railway track Proceedings of the Institution of Mechanical Engineers, Part F: Journal of Rail and Rapid Transit, 221, (1), pp. 13-22. (doi:10.1243/0954409JRRT51).

Record type: Article

Abstract

This paper reports the development and testing of two independent, innovative techniques for measuring rail displacements. One system combines remote video monitoring with particle image velocimetry, using a webcam and a small telescope. The second uses sleeper mounted geophones that give a voltage output proportional to the velocity of motion, which can be filtered and integrated to calculate displacements. Laboratory validation tests show that the video monitoring system can measure peak-to-peak displacements to within 0.04 mm from a distance of 15 m for frequencies less than 4 Hz. The geophones measure peak-to-peak displacements to within 0.07 mm for frequencies as low as 1 Hz. Data from three different standards of railway track and/or train speeds are used to explore and quantify the limitations of each system in the field.

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More information

Published date: 1 January 2007
Keywords: monitoring, piv, geophones, railway track, displacements

Identifiers

Local EPrints ID: 48120
URI: http://eprints.soton.ac.uk/id/eprint/48120
ISSN: 0954-4097
PURE UUID: ded8448c-0f41-4e84-8069-c7db6b9e16d9
ORCID for W. Powrie: ORCID iD orcid.org/0000-0002-2271-0826

Catalogue record

Date deposited: 30 Aug 2007
Last modified: 17 Jul 2017 15:00

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Contributors

Author: D. Bowness
Author: A.C. Lock
Author: W. Powrie ORCID iD
Author: J.A. Priest
Author: D.J. Richards

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