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Ballast evaluation using ground-penetrating radar
By Railway Gazette International, Gerard Gallagher, Quentin Leiper, Maxwell Clark and Michael Forde2000-02-01T11:00:00
Capable of surveying long sections in a short time, ground-penetrating radar can detect trackbed anomalies earlier than is possible with visual inspection methods. Maintenance can therefore be prioritised to reduce unnecessary cost and increase effectiveness
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