Volume 35 Issue 6
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Li Qian, Li Jiaojiao, Chen Erzhong. MATLAB GUI Design Based on Rapid Judgment of Shear Failure State of Soil[J]. GEOTECHNICAL ENGINEERING TECHNIQUE, 2021, 35(6): 361-364, 372. doi: 10.3969/j.issn.1007-2993.2021.06.003
Citation: Li Qian, Li Jiaojiao, Chen Erzhong. MATLAB GUI Design Based on Rapid Judgment of Shear Failure State of Soil[J]. GEOTECHNICAL ENGINEERING TECHNIQUE, 2021, 35(6): 361-364, 372. doi: 10.3969/j.issn.1007-2993.2021.06.003
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MATLAB GUI Design Based on Rapid Judgment of Shear Failure State of Soil

doi: 10.3969/j.issn.1007-2993.2021.06.003

  • Department of Civil Engineering, Hebei University, Baoding 071002, Hebei, China

  • Received Date: 2020-05-26
  • Publish Date: 2021-12-10
    Abstract
  • The shear failure of soil is the main form of soil failure. It is of great engineering application value to judge the shear failure of soil quickly based on the mechanical characteristics of soil. Starting from the engineering background, based on the Mohr-Coulomb strength theory, MATLAB GUI graphical user interface design method was applied and the soil shear calculation and the damage judgment system were developed. If direct shear test data of specific soil are input in the system, cohesive force and internal friction angle could be obtained quickly by fitting. At the same time, based on comparative laws of the maximum and minimum principal stress and internal friction angle, whether the soil shear failure occurred or not could be determined quickly. The reliability of the calculation system is proved by direct shear experiment. The results show that the system is fast, accurate and effective, and can be used to calculate the shear strength of soil and judge the failure state quickly in engineering practice.

     

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