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Experimental Studies of the Influence of Dynamic Loading on the Elastic Properties of Sandstone

Author

Listed:
  • Mikhail Guzev

    (Department of Oil and Gas Technologies, Perm National Research Polytechnic University, 614990 Perm, Russia
    Institute of Applied Mathematics, Far Eastern Branch of the Russian Academy of Sciences, 690041 Vladivostok, Russia)

  • Evgenii Kozhevnikov

    (Department of Oil and Gas Technologies, Perm National Research Polytechnic University, 614990 Perm, Russia)

  • Mikhail Turbakov

    (Department of Oil and Gas Technologies, Perm National Research Polytechnic University, 614990 Perm, Russia)

  • Evgenii Riabokon

    (Department of Oil and Gas Technologies, Perm National Research Polytechnic University, 614990 Perm, Russia)

  • Vladimir Poplygin

    (Department of Oil and Gas Technologies, Perm National Research Polytechnic University, 614990 Perm, Russia)

Abstract

Under dynamic loading, the geomechanical properties of porous clastic rocks differ from those in quasistatic loading. A small experimental rig was built to directly assess the influence of vibrations on the uniaxial compressive strength (UCS), Young modulus, and Poisson’s ratio. A piezoelectric actuator powered by a signal from an oscillator was used in the rig as a generator of vibrations. A laser sensor and eddy current probe measured the longitudinal and transverse deformation. Tinius Hounsfield and Instron Series 4483 installations were used to determine the geomechanical properties of new red sandstone in a quasistatic regime. The boundaries of elastic deformations determined in the quasistatic loading were implemented in the dynamic loading. To perform the experiments in the elastic zone (on the graph of stress (σ)–strain (ε)), small samples with diameters ranging between 7.5 and 24.7 mm were manufactured. The investigation demonstrated that the Young’s modulus of the sandstone increased with increasing values of the dynamic load and frequency.

Suggested Citation

  • Mikhail Guzev & Evgenii Kozhevnikov & Mikhail Turbakov & Evgenii Riabokon & Vladimir Poplygin, 2020. "Experimental Studies of the Influence of Dynamic Loading on the Elastic Properties of Sandstone," Energies, MDPI, vol. 13(23), pages 1-14, November.
    • Handle: RePEc:gam:jeners:v:13:y:2020:i:23:p:6195-:d:451000
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    Cited by:

    1. Evgenii Vasilevich Kozhevnikov & Mikhail Sergeevich Turbakov & Evgenii Pavlovich Riabokon & Vladimir Valerevich Poplygin, 2021. "Effect of Effective Pressure on the Permeability of Rocks Based on Well Testing Results," Energies, MDPI, vol. 14(8), pages 1-20, April.

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