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Three-Dimensional Propagation Simulation and Parameter Analysis of Rock Joint with Displacement Discontinuity Method

Author

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  • Ke Li
  • Xinghong Jiang
  • Hao Ding
  • Xuebing Hu

Abstract

Displacement discontinuities method (DDM) is convenient for and efficient at dealing with discontinuity problems such as fracture and fault. However, the known method of ease iteration is not available for nonlinear joint surface problems. This paper introduces Barton-Bandis nonlinear joint deformation failure criterion, figures out the propagation model of joint through the maximum energy release rate theory of rock fracture mechanics, and establishes three-dimensional nonlinear displacement discontinuity model for rock joint. This paper gives results of the joint propagation pattern and its distribution law under tension and compression with different parameters and side pressure coefficients via compiled program.

Suggested Citation

  • Ke Li & Xinghong Jiang & Hao Ding & Xuebing Hu, 2019. "Three-Dimensional Propagation Simulation and Parameter Analysis of Rock Joint with Displacement Discontinuity Method," Mathematical Problems in Engineering, Hindawi, vol. 2019, pages 1-11, July.
    • Handle: RePEc:hin:jnlmpe:3164817
    DOI: 10.1155/2019/3164817
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    Cited by:

    1. Kairui Li & Nickolay N. Smirnov & Chengzhi Qi & Mingyang Wang & Dmitry A. Pestov & Anastasia A. Shamina, 2023. "A Planar-3D Mathematical Model for Studying the Effect of Heterogeneity of Rock Fracture Toughness on Hydraulic Fracture Propagation: Early-Time Solution including the Stage before Propagation," Mathematics, MDPI, vol. 11(9), pages 1-27, April.

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