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The study of velocity characteristics of soils according to the MASW method for solving seismic microzonation problems

ABSTRACT

Abstract This work proposes the applicability of the method of multichannel analysis of surface waves (MASW) for solving seismic microzonation problems based on research results obtained in different regions of the Russian Federation. Results of MASW processing are used in the assessment of seismic-site effects including the calculation of peak ground acceleration and soil amplification at different frequencies. The method provides stable results of the analysis of shear wave velocity characteristics of complex geological sections, even in a medium with a minimum velocity gradient.AbstractThis work proposes the applicability of the method of multichannel analysis of surface waves (MASW) for solving seismic microzonation problems based on research results obtained in different regions of the Russian Federation. Results of MASW processing are used in the assessment of seismic-site effects including the calculation of peak ground acceleration and soil amplification at different frequencies. The method provides stable results of the analysis of shear wave velocity characteristics of complex geological sections, even in a medium with a minimum velocity gradient.