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2018 | OriginalPaper | Chapter

Vibration Measurements for the Control of Damaged and Repaired Railway Tracks

Authors : Lutz Auersch, Samir Said

Published in: Environmental Vibrations and Transportation Geodynamics

Publisher: Springer Singapore

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Abstract

The damage detection and repair control have become important tasks for ballast and slab tracks. Measurements which compare the damaged and the repaired status of the same track section at different times, or which compare a damaged and an intact track section at the same time, have been successfully performed at some sites in Germany with slab tracks and ballast tracks and compared with the theoretical behavior of intact and damaged tracks. The loss of contact between the sleeper and the plate, between the plate and the base layer, and some problems with soft or weakened soil have been analysed. The observed results, changes in the time histories of displacements and velocities due to train passages and in the transfer functions (compliances) due to hammer impacts, are encouraging that these measurements can be used to detect track damage. In addition, calculations with the combined finite-element boundary-element method have been used to confirm the conclusions about intact or damaged railway tracks.

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Literature
1.
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2.
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10.
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Metadata
Title
Vibration Measurements for the Control of Damaged and Repaired Railway Tracks
Authors
Lutz Auersch
Samir Said
Copyright Year
2018
Publisher
Springer Singapore
DOI
https://doi.org/10.1007/978-981-10-4508-0_2