• 제목/요약/키워드: expansion coefficient and disc distance

검색결과 1건 처리시간 0.018초

The effect of micro parameters of PFC software on the model calibration

  • Ajamzadeh, M.R.;Sarfarazi, Vahab;Haeri, Hadi;Dehghani, H.
    • Smart Structures and Systems
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    • 제22권6호
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    • pp.643-662
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    • 2018
  • One of the methods for investigation of mechanical behavior of materials is numerical simulation. For simulation, its need to model behavior is close to real condition. PFC is one of the rock mechanics software that needs calibration for models simulation. The calibration was performed based on simulation of unconfined compression test and Brazilian test. Indeed the micro parameter of models change so that the UCS and Brazilian test results in numerical simulation be close to experimental one. In this paper, the effect of four micro parameters has been investigated on the uniaxial compression test and Brazilian test. These micro parameters are friction angle, Accumulation factor, expansion coefficient and disc distance. The results show that these micro parameters affect the failure pattern in UCS and Brazilian test. Also compressive strength and tensile strength are controlled by failure pattern.