Investigation on the stochastic simulation of strong ground motions for Bucharest area |
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| Institution: | 1. DICAM Department, School of Engineering and Architecture, University of Bologna, Italy;2. Department of Innovation Engineering, University of Salento, Lecce, Italy;1. Department of Mechanical Systems Engineering, Faculty of Engineering, Utsunomiya University, 7-1-2 Yoto, Utsunomiya, 321-8585, Japan;2. Department of Geoenvironmental Sciences, Graduate School of Science, Tohoku University, 6-3 Aoba-ku, Sendai, 980-8578, Japan;1. School of Environmental Science and Engineering, China–America CRC for Environment & Health, Shandong University, 27# Shanda South Road, Jinan 250100, Shandong Province, PRChina;2. College of Population, Resources and Environment, Shandong Normal University, 88# East Wenhua Road, Jinan 250014, PR China;1. School of Civil Engineering, Dalian University of Technology, Dalian 116024, China;2. School of Civil Engineering, Shenyang Jianzhu University, Shenyang 110168, China;1. Shandong Key Laboratory of Water Pollution Control and Resource Reuse, School of Environmental Science and Engineering, China–America CRC for Environment & Health, Shandong Province, Shandong University, 27# Shanda South Road, Jinan 250100, PR China;2. Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, PR China |
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| 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. |
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| Keywords: | Fourier amplitude spectrum hypocentral distance Q model kappa geometrical spreading |
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