3. 被災事例に基づく供給系ライフラインの地震時機能停止と復旧過程の予測 : 想定東海・東南海地震を対象として(A.被害予測と緊急対応(1),口頭発表)

概要

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In Tokai area, several prefectures around the source region are likely to be affected seriously by the Tokai and Tohnankai earthquakes. For wide-area response to large-scale disaster caused by those inter-plate earthquakes, empirical assessment of post-earthquake serviceability of utility lifeline functions has been performed. The evaluation model developed on the basis of the experience of the 1995 Hyogoken-Nanbu earthquake was applied in conjunction with simulation-based seismic intensity distribution maps. Probable restoration paths were derived for functional performance of electric power, water and gas supply systems, which suggest that long-term disruption of utility lifeline functions takes place over very wide area.