A Site-specific ground-motion simulation model: Application for Vrancea earthquakes
A Site-specific ground-motion simulation model: Application for Vrancea earthquakes
复制标题
特定场地地面运动模拟模型:在弗朗恰地震中的应用
DOI:
10.1016/j.soildyn.2018.04.025
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发表时间:
2018
影响因子:
4
通讯作者:
Grigoriu, Mircea
中科院分区:
文献类型:
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作者:
Radu, Alin;Grigoriu, Mircea
A large number of ground-motion time histories is required for a reliable probabilistic seismic-hazard analysis. However, insufficient ground-motion records has been a major issue in earthquake engineering even in high-seismicity areas. Stochastic and seismological ground-motion models are used to simulate time histories in order to overcome this issue. Many times these models require a large number of records for calibration, are available only for regions with a wealth of data, or fail to characterize well specific sites.The current paper introduces a novel stochastic ground-motion model that allows simulation of realistic non-stationary, non-Gaussian time histories that are statistically consistent with data even at sites with very low numbers of records. This goal is achieved by combining the prior knowledge from a seismological model, calibrated to global data, with the site-specific data within a Bayesian framework. The proposed model uses the specific barrier model as the seismological model and numerical results consistent with records from a nuclear powerplant site in Romania are presented.
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DOI:
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发表时间:
2016
期刊:
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DOI:
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发表时间:
2006
期刊:
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作者:
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