Volume 37 Issue 4
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Luo Guitao. Experimental Study on Compressive and Tensile Failure Characteristics of Different Rocks[J]. GEOTECHNICAL ENGINEERING TECHNIQUE, 2023, 37(4): 438-442. doi: 10.3969/j.issn.1007-2993.2023.04.011
Citation: Luo Guitao. Experimental Study on Compressive and Tensile Failure Characteristics of Different Rocks[J]. GEOTECHNICAL ENGINEERING TECHNIQUE, 2023, 37(4): 438-442. doi: 10.3969/j.issn.1007-2993.2023.04.011
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Experimental Study on Compressive and Tensile Failure Characteristics of Different Rocks

doi: 10.3969/j.issn.1007-2993.2023.04.011

  • Ji’an Water Conservancy and Hydropower Planning and Design Institute, Ji’an 343000, Jiangxi, China

  • Received Date: 2022-03-29
  • Accepted Date: 2022-12-09
  • Rev Recd Date: 2022-07-29
  • Publish Date: 2023-08-08
    Abstract
  • The acoustic emission (AE) monitoring system is used to monitor the Brazilian splitting and uniaxial compression of the marble, granite, limestone, and sandstone in order to investigate the evolution pattern of different rocks during fracture. The results show that the stress changes are non-linear and linear and different rocks produce secondary damage in Brazilian splitting tests. The uniaxial compression conditions present typical full stress-strain curve characteristics when damage occurs in different rock samples, and the changes in AE parameters are more consistent with stress changes, but there are differences in the response of different lithologies to AE parameters. The AE counts and AE hits are more sensitive to the rock damage, and the harder the rock is, the more energy is released.

     

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