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Cyclic Mechanical Behavior of Two Sandy Soils Used as Heat Storage Media

Author

Listed:
  • Henok Hailemariam

    (Geomechanics and Geotechnics Group, Kiel University, Ludewig-Meyn-Straße 10, 24118 Kiel, Germany)

  • Frank Wuttke

    (Geomechanics and Geotechnics Group, Kiel University, Ludewig-Meyn-Straße 10, 24118 Kiel, Germany)

Abstract

In this research, the cyclic mechanical behavior of two heat storage sandy soils is experimentally studied using a cyclic thermo-mechanical triaxial device. The results of the tests, which were performed under controlled temperature conditions between 20 and 60 °C, show a significant dependence of the mechanical response of the sandy soils with the amplitude of the cyclic loading and medium temperature. The mechanical performance and accumulation of plastic strains of the soils with an increasing number of loading cycles are discussed in view of the intrinsic soil behavior.

Suggested Citation

  • Henok Hailemariam & Frank Wuttke, 2020. "Cyclic Mechanical Behavior of Two Sandy Soils Used as Heat Storage Media," Energies, MDPI, vol. 13(15), pages 1-12, July.
    • Handle: RePEc:gam:jeners:v:13:y:2020:i:15:p:3835-:d:390126
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    References listed on IDEAS

    as
    1. Başer, Tuğçe & McCartney, John S., 2020. "Transient evaluation of a soil-borehole thermal energy storage system," Renewable Energy, Elsevier, vol. 147(P2), pages 2582-2598.
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