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Actual Data Analysis of Alignment Irregularity Growth and its Prediction Model
Akihito KAWAGUCHIMasashi MIWAKoichiro TERADA
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Volume 46 (2005) Issue 4 Pages 262-268

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Abstract

We built two degradation models to estimate alignment irregularity growth on ballasted track. One was a model to evaluate plans, such as track structure improvements or changes to transportation conditions, and the other was to decide on a daily/monthly track maintenance schedule. To confirm the efficiency of each model, we compared the actual and estimated irregularity growth data with a statistical modeling approach. Moreover, we applied the models to the analysis of railway track renewal and optimal tamping scheduling.

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© 2005 by Railway Technical Research Institute
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