Some Remarks on the Seismometric Experiments Taking into Account the Thickness of the Frozen Layer Soil

Kislov, K.V.; Gravirov, V.V.

Авторы: Kislov K.V., Gravirov V.V.
Сборник: 12th International Conference and School “PROBLEMS OF GEOCOSMOS”
Серия: Book of Abstracts
Тезисы
Год издания: 2018
Место издания: St. Petersburg State University St. Petersburg
Первая страница: 121
Последняя страница: 121
Аннотация: Methodical studies of seismic wave propagation in shallow seismology remain relevant, since the accuracy of the observations depends on the correct interpretation of the data. The frozen soil layer thickness monitoring is necessary for many scientific objectives and applications. The soil frost level acuracy of seismoacoustic methods in mining, seismoacoustic logging, engineeringgeological surveys used for study the structure of geological formations, coal-seam fractures, assessment of the geological environment stress state, and shallow tomography. While the effect of soil temperature on the velocity of seismic waves has been investigated quite fully, the issue of waves attenuation depending on the thickness of the frozen layer remains a problem. The electrical properties of frozen soils have not been sufficiently measured yet. Hence, there is a need for creation of a measuring system, which, depending on the tasks will be able to produce different data set satisfying the necessary accuracy in the vertical, with the necessary discreteness in time, remotely and automaticaly. The ELFREEZMETER - electronic freezemeter has been developed for studying of influence of the frozen soil layer thickness on a seismic signal. But when ones working with almost any new system, naturally there are methodical difficulties, so we present some considerations on the representativeness of freezemeter data when they use in seismological experiments.
Добавил в систему: Гравиров Валентин Валентинович

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