Ryohei Sato
Abstract
Conventional track gradually deforms under the passage of trains. The degradation of ballast and the pressures exerted by ballast on the subgrade are major mechanisms for such deterioration. The relative roles of each needs to be determined in order to optimize track structures so they will resist settlement.
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Conventional track gradually deforms under the passage of trains. The degradation of ballast and the pressures exerted by ballast on the subgrade are major mechanisms for such deterioration. The relative roles of each needs to be determined in order to optimize track structures so they will resist settlement.
Key concepts: Ballast, Track (disk drive), Subgrade, Settlement (finance), Train, Engineering, Geotechnical engineering, Forensic engineering