Abstract
The distinctive characteristics of near-field and far-field earthquake records have a critical influence on the seismic response of the structure, especially the frequency content and energy content. This study aimed at improving the ground motion linear scaling method, regarding the effect of near-field and far-field, for precise spectral matching between the response spectrum of real accelerations and the target elastic spectrum of TCVN 9386:2012. The common calibration methods are firstly presented and compared to evaluate the effectiveness of each one. The improvement of the Atkinson (ATK) linear scaling method by dividing the period range of interest is proposed and detailed by an application example. The results show that the proposed method is effective in matching the real ground motion to the target elastic spectrum.
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