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Mechanical Performance of Methane Hydrate–Coal Mixture

Author

Listed:
  • Xia Gao

    (School of Architectural & Civil Engineering, Heilongjiang University of Science & Technology, Harbin 150022, China)

  • Tongchuan Yang

    (School of Architectural & Civil Engineering, Heilongjiang University of Science & Technology, Harbin 150022, China)

  • Kai Yao

    (Department of Civil & Environmental Engineering, National University of Singapore, Singapore 117576, Singapore)

  • Baoyong Zhang

    (School of Safety Engineering, Heilongjiang University of Science & Technology, Harbin 150022, China)

  • Qiang Wu

    (School of Safety Engineering, Heilongjiang University of Science & Technology, Harbin 150022, China)

  • Chuanhai Liu

    (School of Safety Engineering, Heilongjiang University of Science & Technology, Harbin 150022, China)

Abstract

Understanding mechanical behaviors of a methane hydrate–coal mixture are important for its associated application in coal and gas outburst prevention. A triaxial compression apparatus for a specimen of the methane hydrate–coal mixture was developed to measure its strength and deformation properties. Triaxial compression tests were performed on coal briquette samples under different confining pressures and methane hydrate saturation. Strain softening behavior of the methane hydrate–coal mixture can be identified for all the specimens under various conditions. The larger the methane hydrate saturation or confining pressure, the larger the peak strength, elastic modulus and peak strain. Mathematical relationships for correlating the peak strength with the methane hydrate saturation or confining pressure were also proposed.

Suggested Citation

  • Xia Gao & Tongchuan Yang & Kai Yao & Baoyong Zhang & Qiang Wu & Chuanhai Liu, 2018. "Mechanical Performance of Methane Hydrate–Coal Mixture," Energies, MDPI, vol. 11(6), pages 1-14, June.
    • Handle: RePEc:gam:jeners:v:11:y:2018:i:6:p:1562-:d:152512
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    References listed on IDEAS

    as
    1. Abdullah Fisne & Olgun Esen, 2014. "Coal and gas outburst hazard in Zonguldak Coal Basin of Turkey, and association with geological parameters," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 74(3), pages 1363-1390, December.
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    Cited by:

    1. Andrzej Olajossy & Jerzy Cieślik, 2019. "Why Coal Bed Methane (CBM) Production in Some Basins is Difficult," Energies, MDPI, vol. 12(15), pages 1-21, July.

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