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The relationship between the deformation mechanism and permeability on brittle rock

Author

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  • Rui Zhang
  • Zhenquan Jiang
  • Qiang Sun
  • Shuyun Zhu

Abstract

In order to study the relationship between the deformation mechanism and permeability on brittle rock, the curves of stress–strain and permeability–strain of brittle rock were analyzed, the results indicated that the permeability of brittle rock increased rapidly at the critical failure point due to the microstructure changed seriously during the compaction, elastic deformation, and progressive failure process. When the rock bridges or asperities on the internal structural plane were ruptured partly or completely after the peak stress, a sudden decrease in rock strength occurred and the peak permeability could be the maximum. The strain at the critical point and turning point on the stress–strain curve corresponded to that at the rapid increase point and the peak point on the permeability–strain curve according to the renormalization theory and curves of stress–strain and permeability–strain. In addition, the ratios could be described by mathematical expressions. The conclusions could be proved reasonably by the experimental studies and examples of statistical analysis. Copyright Springer Science+Business Media Dordrecht 2013

Suggested Citation

  • Rui Zhang & Zhenquan Jiang & Qiang Sun & Shuyun Zhu, 2013. "The relationship between the deformation mechanism and permeability on brittle rock," 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. 66(2), pages 1179-1187, March.
    • Handle: RePEc:spr:nathaz:v:66:y:2013:i:2:p:1179-1187
    DOI: 10.1007/s11069-012-0543-4
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    Citations

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    Cited by:

    1. Yuan Zhao & Shugang Cao & Yong Li & Hongyun Yang & Ping Guo & Guojun Liu & Ruikai Pan, 2018. "Experimental and numerical investigation on the effect of moisture on coal permeability," 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. 90(3), pages 1201-1221, February.
    2. Dan Ma & Haibo Bai, 2015. "Groundwater inflow prediction model of karst collapse pillar: a case study for mining-induced groundwater inrush risk," 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. 76(2), pages 1319-1334, March.
    3. Gangwei Fan & Shizhong Zhang & Bobo Cao & Dongsheng Zhang & Chengguo Zhang, 2020. "Impact of Mine Panel Size on Hydraulic Permeability of Weakly Cemented Strata," Sustainability, MDPI, vol. 12(6), pages 1-17, March.
    4. Rui Zhang & Zhenquan Jiang & Haiyang Zhou & Chaowei Yang & Shuaijun Xiao, 2014. "Groundwater outbursts from faults above a confined aquifer in the coal mining," 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. 71(3), pages 1861-1872, April.

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