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The seismic performance of building equipments as well as building frames is one of critical factors to maintain the function of buildings after the occurrence of earthquakes. Therefore, the damage database of building equipments due to 1995 Hyogoken Nanbu earthquake is investigated to evaluate the seismic performance of building equipments from the statistical point. The damage occurrence is modeled by the binomial distribution, and the damage ratio curves, the shape of which is assumed to be the lognormal distribution, are calculated through the maximum likelihood method. It is evaluated that the differences of the building year, the structural type and the building story influence on the median of damage ratio curves. Moreover, the damage ratio curves are evaluated through the response acceleration and the response story deformation angle in order to compare the build code of equipments.

DAMAGE RATIO CURVES OF BUILDING EQUIPMENTS BY USING THE DAMAGE DATABASE DUE TO 1995 HYOGOKEN NANBU EARTHQUAKE