43. 地形・地盤条件に着目した事業継続性の評価に関する研究

概要

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In recent years, business continuity and early recovery after damaged earthquakes becomes social demands especially for critical facilities. In the Mid Niigata Prefecture Earthquake in 2004, severe damage to lifeline systems such as water and gas supply has been reported, which is considered to affect the serious impact on business continuity. This paper investigates the location and recovery time of damaged buildings based on the published information mainly appeared on the newspapers both in the Mid Niigata Prefecture Earthquake in 2004 and the Niigataken Chuetsu-oki Earthquake in 2007. This paper studies the relation between recovery time and seismic intensity, business categories, and structural type, and studies to explore the relation between business interruption time of damaged buildings and geographical and local soil conditions based on the information by the Engineering Geomorphologic Classification map and National Research Institute for Earth Science and Disaster Prevention and Geospatial Information Authority of Japan. As a results, one of the specific features correlation could be found between liquefied sites and business interruption time.
地域安全学会の論文
2010-11-00