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Study on the Characteristics of Ground Vibrations During Earthquakes Near Focal Zones in Dagestan

  • EARTHQUAKE-RESISTANT CONSTRUCTION
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Soil Mechanics and Foundation Engineering Aims and scope

The paper analyzes the parameters of ground vibrations under seismic loading observed on the territory of Dagestan. A close correlation was revealed between the duration, amplitude level, and frequency content of vibrations depending on the parameters of a focus and ground conditions at the point of interest. The conducted spectral analysis of the envelopes of body wave tails revealed a 3 to 4 times amplitude increase for medium-density soils as compared to bedrock across the entire spectrum width and an up to 8 to 15 times amplitude increase at resonant frequencies. For soft waterlogged soils, the amplitude was found to increase by 5–6 and 20 times, respectively.

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Authors and Affiliations

  1. Dagestan State Technical University, Makhachkala, Russia

    Kh. R. Zainulabidova

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  1. Kh. R. Zainulabidova
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Correspondence to Kh. R. Zainulabidova.

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Translated from Osnovaniya, Fundamenty i Mekhanika Gruntov, No. 1, January-February, 2022.

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Zainulabidova, K.R. Study on the Characteristics of Ground Vibrations During Earthquakes Near Focal Zones in Dagestan. Soil Mech Found Eng 59, 102–109 (2022). https://doi.org/10.1007/s11204-022-09789-5

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  • DOI: https://doi.org/10.1007/s11204-022-09789-5

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