ANALYSIS OF FLOODING IN UNDERGROUND SPACE USING 1M MESH ELEVATION DATA AND STUDY OF EVACUATION RISK

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  • 1mメッシュ標高データを用いた地下空間浸水解析と避難リスクについての検討

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<p> In recent years, the flood risk in urban area is increased due to the frequent extreme rainfall. Since underground spaces are vulnerable to flooding, it is necessary to idenify the risk of flooding and prepare for flood damage in underground spaces. In this study, we analyzed inundation of both ground and underground spaces in Sannnomiya combining inundation analysis in Kobe and underground space below Sannnomiya-Station using 1m mesh elevation data. We revealed that it is important to capture subtle changes in inundation depending on availability of elevation data. In addition, evacuation simulation in the underground space was conducted by considering the social distance due to the COVID-19.</p>

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