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Œf�ÚŽGŽ��i‰p�j�F THE EARTHQUAKE ENGINEERING SYMPOSIUM PROCEEDINGS
’˜ŽÒ�i‰p�j�F Hitoshi Suwa, Shinichi Yoshida, Arihide Nobata, Matsutaro Seki
ƒ^ƒCƒgƒ‹�i‰p�j�F CHARACTERISTICS OF SEISMIC RISK FOR MULTIPLE BUILDINGS
�´˜^�i‰p�j�F The purpose of this paper is to quantitatively evaluate portfolio seismic risk, which indicates the seismic risk with respect to multiple buildings located at scattered construction sites, through a set of scenario earthquakes in and around Japan. For a simple example, portfolio seismic risk in terms of five story R/C buildings, which are located in Tokyo, Osaka and Sendai respectively, is calculated through the proposed method. As a result, it is confirmed that the effect of risk dispersion by taking advantage of portfolio considerably depends on the checking level of annual exceedance probability of seismic loss ratio.
ƒL�[ƒ��[ƒh�i‰p�j�F scenario earthquakes; seismic risk curve; seismic portfolio ; probable maximum loss (PML)
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