SEISMIC RESPONSE CHARACTERISTICS OF BUILDINGS USING STRONG MOTION OBSERVATION DATA

Study on concentration phenomenon of response displacement

Abstract

This paper evaluated the relationship between load-carrying capacity and maximum displacement response of buildings by response analysis using typical Japanese strong motion observation data. The analytical results revealed that the maximum response displacement was almost constant regardless of the base shear coefficient in areas where the acceleration response spectrum decreases rapidly after the predominant period. The paper named these areas “Concentrated Areas of Response Displacement (CARD)” and theoretically proves that such phenomena were inevitable for buildings on the ground with a pronounced predominant period. Finally, the outstanding findings for seismic design were concluded based on CARD.