Formulating Seismic Intensity Scale (JMA-SIS) Using Response Spectrum: A New Approach for Structural Engineering Design
DOI:
https://doi.org/10.46604/aiti.2024.14243Keywords:
Japan Meteorological Agency-seismic intensity scale (JMA-SIS), time history, response spectrum, rs_mSIS, Wariyatno coefficientAbstract
This study aims to formulate a calculation for earthquake shaking intensity (rs_mSIS) based on the response spectrum (RS) using the Japan Meteorological Agency-seismic intensity scale. The research investigates the relationship between the response spectrum parameters—period and maximum acceleration—and the earthquake source types, including megathrust, Benioff, and shallow crust/background sources. Artificial ground motions are generated and analyzed using Matlab to calculate shaking intensity values, which are then used to develop the rs_mSIS formula. The formulation is validated against actual response spectrum data from 15 Indonesian cities and demonstrated high accuracy, with the Wariyatno coefficient applicable across all models. This approach provides a standardized method to assess seismic intensity, offering enhanced reliability for building design in earthquake-prone areas and serving as a valuable tool for engineers and urban planners to improve earthquake resilience in diverse seismic environments.
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Copyright (c) 2025 Nanang Gunawan Wariyatno, Ay Lie Han, Yanuar Haryanto, Gathot Heri Sudibyo, Sumiyanto, Nastain, Arwan Apriyono, Laurencius Nugroho, Hsuan-Teh Hu, Fu-Pei Hsiao, Buntara Sthenly Gan

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