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Volume 39 Issue 7
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YANG Ren-shu, CHEN Jun, FANG Shi-zheng, HOU Li-dong, CHEN Shuai-zhi. Inversion analysis of M-C criterion parameters of rock based on uniaxial shearing failure[J]. Chinese Journal of Geotechnical Engineering, 2017, 39(7): 1351-1356. DOI: 10.11779/CJGE201707023
Citation: YANG Ren-shu, CHEN Jun, FANG Shi-zheng, HOU Li-dong, CHEN Shuai-zhi. Inversion analysis of M-C criterion parameters of rock based on uniaxial shearing failure[J]. Chinese Journal of Geotechnical Engineering, 2017, 39(7): 1351-1356. DOI: 10.11779/CJGE201707023
shu

Inversion analysis of M-C criterion parameters of rock based on uniaxial shearing failure

  • 1. School of Mechanics and Architecture Engineering, China University of Mining and Technology, Beijing 100083, China;
    2. State Key Laboratory for Geomechanics and Deep Underground Engineering, China University of Mining and Technology, Beijing 100083, China;
    3. Qingdao LongHao Properties Limited, Qingdao 266000, China

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  • Received Date: October 05, 2016
  • Published Date: July 24, 2017
    Graphical Abstract
    • Abstract
  • Based on different shear failure modes in rock uniaxial compression tests, the relationship among the uniaxial compressive strength, cohesion and internal friction angle is deduced by using the limit analysis method. According to the uniaxial and triaxial test results of rock, the correctness of the formula for calculating the uniaxial compressive strength based on the M-C criterion parameters is verified. The difference between the results obtained from the formula and the experimental ones is between 6% and 10%. The cohesive force and internal friction angle of rock are calculated by combining the actual uniaxial shear failure modes of rock and the test results. The results show that the proposed method for calculating the cohesion and internal friction angle based on the mode of uniaxial shear failure and the value of uniaxial compressive strength is accurate and practical. The formula also reveals the internal relationship between failure modes of rock and parameters of rock mechanics.
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    • References (11)
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