地震によるライフライン停止と住宅損傷を考慮した短期的避難需要の評価モデル : 生活支障の計量評価を利用した震害波及過程の記載

概要

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Collecting data of housing damage, lifeline suspension, daily living disruption, and short-term sheltering in an arthquake, we developed a numerical model for estimating evacuation rates in affected areas. Data were collected in questionnaire survey conducted in seven areas affected in the 1995 Hyogo-ken-nanbu earthquake. We separately derived two models for, first, numerically evaluating the extent of daily living disruption attributed to housing damage and lifeline suspension and, second, correlating the extent of living disruption with the evacuation rate and, for completing the estimation model, combined those for connecting both housing damage and lifeline disruption with shelter need. The model was utilized in a parametric study for analyzing the nature of short-term shelter need following an earthquake.