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What is Japanese Ballasted Track Deterioration Studies about?

In the 1950s, Japanese studies on track deterioration due to ballasted settlement were initiated. These studies examined not only ballast settlement but also the ballast acceleration causing settlement. They proposed a coefficient of track deterioration that the Tokaido Shinkansen track design depended on. Since then, studies have continued on track state related to maintenance, growth of track irregularities, and convergence of irregularities over time.

Author

Andrew Owen

Language

EN