Abstract
Introduction of the value of the weight-average period of ground vibrations significantly improves the differentiation quality of various types of soils. The dependence of the spectral composition of the seismic waves on power, physical and mechanical properties of soils that compound a ground stratum and hydrogeological conditions are considered. On the basis of data analysis a conclusion about high usefulness of powerful pulsed and vibration artificial nonexplosive sources for seismic microzonation is made. A particular attention was paid to the investigation of the absorption indexes of seismic energy in different types of soil. It is shown that the use of the extended type of soil indexes, in particular, to include the standard spectral characteristics can significantly improve the accuracy and reliability of the establishment of engineering and geological cross-section of a ground stratum and its hydrogeological conditions.
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