川崎市を対象とした微動による表層地盤の卓越周期の推定

概要

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In this paper,we will show the predominant periods as a characteristic of surface geology in Kawasaki City.Predominant periods were estimated with observed data of microtremors on the grounds of 205 observation sites in the city.Before the estimation,we had checked adequacy of estimation techniques,at 4 different sites of the topological conditions,we compared the observation result of the microtremors with geological data of borehole N values and PS logging data. At two sites of them,we have seismic strong motion records,so at those sites we had compared microtremors with strong motion's characteristics. By these checks,we can say that the estimation techniques or predominant periods used were reasonable.