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Many hazard-consistent target spectrums, like conditional spectrum or CGIM, could not be constructed and applied for realistic major engineering projects in China because the disaggregation information is unavailable. In this project, we accomplished the qualification of the dominant earthquake scenarios that have the most contribution to the se…

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Please cite the work as: Kun Ji , Ruizhi Wen*, Yefei Ren, Weiyi Wang and Lansheng Chen. Disaggregation of Probabilistic Seismic Hazard and Construction of Conditional Spectrum for China . Bulletin of Earthquake Engineering, 2021.

China-Seismic-Hazard-Deaggregation-34cities

Qualification of the dominant earthquake scenarios that have the most contribution to the seismic hazard for main cities in China. After utilizing the CPHSA scheme to construct the China hazard map by OQ platform, the results of deaggregation for PGA, Sa(0.2s, 0.3s, 0.5s, 0.7s, 1.0s, 1.5s, 2.0s), corresponding to Mean Return Periods (MRPs) of 475-yr and 2475-yr, for 34 main cities in China were calculated. The deaggregation of hazard could give better insights and improved communication of the hazard, and a more informed characterization of the ground motion to be expected at the site.

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Many hazard-consistent target spectrums, like conditional spectrum or CGIM, could not be constructed and applied for realistic major engineering projects in China because the disaggregation information is unavailable. In this project, we accomplished the qualification of the dominant earthquake scenarios that have the most contribution to the se…

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