Studi Kehandalan Selubung Respons Spektrum Kelas Tanah Lunak Zona 5 untuk Daerah Meukek, NAD
Abstract. Indonesia has been well known as one of the most seismically active countries in the world. Therefore, the building design in Indonesia should consider these seismic activities. Seismic hazard analysis for any site may develops based on SNI 03-1726-2002, that implements spectral hazard for 10 % probability of exceedance in a building life time period of 50 years. In this study, a site specific response spectra was conducted on Meukek site to evaluate the performance of the response spectra based on criteria on SNI 03-1726-2002 comparing the response spectra conducted by the big earthquake event off the west coast of northern Sumatra that acted recently. There is no available strong motion data for Meukek site that is representative at this moment, therefore the Deterministic Seismic Hazard Analysis is performed, and the synthetic time histories are then simulated based on a stochastic method using SMSIM program. The analysis of shear wave propagation is performed using NERA which is based on one dimensional wave propagation theorem. Dynamic soil properties are obtained from the correlation with N-SPT value from soil investigation report covering Meukek site. The final result of this research are the synthetic time histories on the bedrock, and the design response spectrum on the site ground surface based on design earthquake scenario.
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