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Safety Evaluation of Underground Caverns Based on Monte Carlo Method

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  • Qifeng Guo
  • Zhihong Dong
  • Meifeng Cai
  • Fenhua Ren
  • Jiliang Pan

Abstract

In order to study the influence of joint fissures and rock parameters with random characteristics on the safety of underground caverns, several parameters affecting the stability of surrounding rock of underground caverns are selected. According to the Monte Carlo method, random numbers satisfying normal distribution characteristics are established. A three-dimensional model of underground caverns with random characteristics is established by discontinuous analysis software 3DEC and excavation simulations are carried out. The maximum displacement at the numerical monitoring points of arch and floor is the safety evaluation index of the cavern. The probability distribution and cumulative distribution function of the displacement at the top arch and floor are obtained, and the safety of a project is evaluated.

Suggested Citation

  • Qifeng Guo & Zhihong Dong & Meifeng Cai & Fenhua Ren & Jiliang Pan, 2020. "Safety Evaluation of Underground Caverns Based on Monte Carlo Method," Mathematical Problems in Engineering, Hindawi, vol. 2020, pages 1-7, January.
    • Handle: RePEc:hin:jnlmpe:7214720
    DOI: 10.1155/2020/7214720
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