Abstract
Some representative methods of selecting and scaling ground motion are classified into two groups based on the different goals of adjustment, including peak/spectral value matching method and spectrum shape matching method. The both methods do not consider the effect of duration. And the amplitude is adjusted based on the fixed amplitude modulation coefficient, but not according to the characteristics of ground motion energy distribution. Therefore, the method of scaling and selecting ground motion based on maximum instantaneous input energy is proposed. The amplitude is adjusted according to the characteristics of energy distribution of the seismic wave in the new method. Meanwhile, the effect of duration is taken into account. In addition, the method has loosed selection condition of the seismic wave, small calculation and low dispersion of results.
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