地震被害に基づくトンネル・土構造物の損傷度曲線に関する研究(A.被害予測と緊急対応,ポスター発表)

概要

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Fragility curves represent relationships between a ground motion and a probability of structural damage. In general the curves are developed statistically referring to observed structural damages in past earthquakes. This paper presents a methodology to develop fragility curves of civil structures such as tunnels, embankment or natural slopes, based on Hanshin-Awaji and other major earthquakes occurred in Japan. The fragility curves, which were obtained statistically by the maximum likelihood method, will be a fundamental model to estimate risk for each type of structure.