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YAO Zhaoming, YU Wen, MA Shilong, GUO Mengyuan. UNIAXIAL COMPRESSION TEST AND DAMAGE CONSTITUTIVE MODEL FOR ANALYSIS OF FROZEN CLAY 1)[J]. MECHANICS IN ENGINEERING, 2020, 42(2): 196-201. DOI: 10.6052/1000-0879-19-301
Citation: YAO Zhaoming, YU Wen, MA Shilong, GUO Mengyuan. UNIAXIAL COMPRESSION TEST AND DAMAGE CONSTITUTIVE MODEL FOR ANALYSIS OF FROZEN CLAY 1)[J]. MECHANICS IN ENGINEERING, 2020, 42(2): 196-201. DOI: 10.6052/1000-0879-19-301
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UNIAXIAL COMPRESSION TEST AND DAMAGE CONSTITUTIVE MODEL FOR ANALYSIS OF FROZEN CLAY 1)

  • School of Civil Engineering and Architecture, Anhui University of Science and Technology, Huainan 232001, Anhui, China

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  • Received Date: August 12, 2019
  • Revised Date: November 19, 2019
  • Published Date: April 19, 2020
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    • Abstract
  • The Mohr-Coulomb strength criterion is used as the statistical distribution variable in the Weibull random distribution for the frozen soil micro-meter damage. The damage constitutive model of the frozen clay under uniaxial stress state is established by using the strain equivalence hypothesis. On this basis, the relationship between the model parameters and the elastic modulus and the freezing temperature is edetermined. The model parameters and the elastic modulus are corrected reasonably. The damage constitutive model of the frozen clay under the temperature influence is established and the results are compared with the experimental results. The analysis results show that the damage constitutive model with consideration of the temperature effect can be used to simulate the stress-strain full process of the frozen clay well, with a good adaptability.
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    • References (14)
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