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Failure of rock under dynamic compressive loading

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Abstract

Split Hopkinson Pressure Bar(SHPB) test was simulated to investigate the distribution of the first principal stress and damage zone of specimen subjected to dynamic compressive load. Numerical models of plate-type specimen containing cracks with inclined angles of 0°, 45° and 90° were also established to investigate the crack propagation and damage evolution under dynamic loading. The results show that the simulation results are in accordance with the failure patterns of specimens in experimental test. The interactions between stress wave and crack with different inclined angles are different; damage usually appears around the crack tips firstly; and then more damage zones develop away from the foregoing damage zone after a period of energy accumulation; eventually, the damage zones run through the specimen in the direction of applied loading and split the specimen into pieces.

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Authors and Affiliations

  1. School of Resources and Safety Engineering, Central South University, Changsha, 410083, China

    Zi-long Zhou  (周子龙) & Di-yuan Li  (李地元)

  2. School of Civil and Environmental Engineering, Nanyang Technological University, Nanyang Avenue, 639798, Singapore, Singapore

    Guo-wei Ma  (马国伟) & Jian-chun Li  (李建春)

Authors
  1. Zi-long Zhou  (周子龙)
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  2. Di-yuan Li  (李地元)
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  3. Guo-wei Ma  (马国伟)
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  4. Jian-chun Li  (李建春)
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Corresponding author

Correspondence to Zi-long Zhou  (周子龙).

Additional information

Foundation item: Projects(50534030, 50674107, 50490274) supported by the National Natural Science Foundation of China; Project(06JJ3028) supported by the Provincial Natural Science Foundation of Hunan, China

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Zhou, Zl., Li, Dy., Ma, Gw. et al. Failure of rock under dynamic compressive loading. J. Cent. South Univ. Technol. 15, 339–343 (2008). https://doi.org/10.1007/s11771-008-0064-1

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  • DOI: https://doi.org/10.1007/s11771-008-0064-1

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