実効雨量指標を用いた降雨に対する運転規制方法について(<特集>自然災害予測とその活用)

概要

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In JR East, the combination of hourly rainfall and continuous rainfall had been used as an index for judgement on train operation control of the old railroad lines. On June 2008, the new rainfall hazard index was introduced as more reasonable index. Introduction of the new index improved the efficiency of avoiding disasters with train operation control and reduced downtime to on average 79% of old index. In this article, the method of train operation control against rainfall with the new index and its theory, and how this method is introduced are mentioned with existing literature.
2012-03-01