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A platform for research: civil engineering, architecture and urbanism
Investigation on the stochastic simulation of strong ground motions for Bucharest area
Abstract This short article evaluates the stochastic method of ground motion simulation for Bucharest area using both the single-corner frequency model and recently introduced double-corner frequency models. A dedicated Q model is derived using ground motions obtained during the largest Vrancea earthquakes from the past 30 years. The simulated ground motions are tested against the observed data from the Vrancea earthquakes of August 1986 and May 1990. Moreover, the observed data are also compared against simulations obtained using the Q model derived by Oth et al. (2008). Finally, the results of the simulations show that the derived Q model is better suited for larger magnitude events, while the Q model of Oth et al. (2008) provides better results for smaller earthquakes.
Highlights An evaluation of the stochastic simulation method is performed for Vrancea; A Q model is derived from the collected ground motion database; The geometrical spreading and kappa values are also checked; The simulations with ADCF and MDCF produce similar results; The derived Q model is better suited for larger magnitude events.
Investigation on the stochastic simulation of strong ground motions for Bucharest area
Abstract This short article evaluates the stochastic method of ground motion simulation for Bucharest area using both the single-corner frequency model and recently introduced double-corner frequency models. A dedicated Q model is derived using ground motions obtained during the largest Vrancea earthquakes from the past 30 years. The simulated ground motions are tested against the observed data from the Vrancea earthquakes of August 1986 and May 1990. Moreover, the observed data are also compared against simulations obtained using the Q model derived by Oth et al. (2008). Finally, the results of the simulations show that the derived Q model is better suited for larger magnitude events, while the Q model of Oth et al. (2008) provides better results for smaller earthquakes.
Highlights An evaluation of the stochastic simulation method is performed for Vrancea; A Q model is derived from the collected ground motion database; The geometrical spreading and kappa values are also checked; The simulations with ADCF and MDCF produce similar results; The derived Q model is better suited for larger magnitude events.
Investigation on the stochastic simulation of strong ground motions for Bucharest area
Pavel, Florin (author)
Soil Dynamics and Earthquake Engineering ; 69 ; 227-232
2014-11-20
6 pages
Article (Journal)
Electronic Resource
English
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