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Expert Assessment of the Displacements Provoked by Seismic Events: Case Study for the Sofia Metropolitan Area

机译:地震引起的位移的专家评估:索非亚都市区的案例研究

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— The paper discusses the very recent seismotectonic and geological investigations for the Sofia valley. It also reviews available historical and recent seismological data. One possible variant of seismic zoning (interpretation of available geological and seismological data) is used to evaluate uniform probability Fourier spectra of strong ground motion at Sofia City. The distribution of the maximum expected displacements, using 1-D models and SHAKE’91 techniques for 50 years of exposure time is mapped. The maps of eigensolution results for 30 m, 50 m depths to the rock are illustrated. These issues are important for definition of design parameters for evaluation of seismic safety of underground infrastructure, as well as for tall structures.
机译:—本文讨论了索非亚山谷最近的地震构造和地质调查。它还审查了可用的历史和近期地震数据。地震分区的一种可能变体(解释可用的地质和地震数据)用于评估索非亚市强地面运动的均匀概率傅立叶频谱。使用一维模型和SHAKE’91技术绘制了50年曝光时间的最大预期位移的分布图。示出了岩石30 m,50 m深度的本征解结果图。这些问题对于定义用于评估地下基础设施以及高层建筑的地震安全性的设计参数非常重要。

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