On the Possibility of Estimation of the Earth Crust’s Properties from the Observations of Electric Field of Electrokinetic Origin, Generated by Tidal Deformation within the Fault ZoneстатьяПереводИсследовательская статья
Информация о цитировании статьи получена из
Web of Science,
Scopus
Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 10 августа 2018 г.
Аннотация:A 2-D boundary problem formulation in terms of pore pressure in Biot poroelasticity model is discussed,
with application to a vertical contact model mechanically excited by a lunar-solar tidal deformation
wave, representing a fault zone structure. A problem parametrization in terms of permeability and Biot’s
modulus contrasts is proposed and its numerical solution is obtained for a series of models differing in the
values of the above parameters. The behavior of pore pressure and its gradient is analyzed. From those, the
electric field of the electrokinetic nature is calculated. The possibilities of estimation of the elastic properties
and permeability of geological formations from the observations of the horizontal and vertical electric field
measured inside the medium and at the earth’s surface near the block boundary are discussed.