The fractal characteristics of micro-cracks in rock under uniaxial compression

【Author】

WANG YAOHUI & LI TINGJIE Institute of Rock and Soil Mechanics,The Chinese Academy of Sciences,Wuhan,China

【Abstract】

<正>Since rocks generally are brittle materials,the generating,propagating,and combining of cracks in rocks play an important roles in the failure progress of rocks.Many researchers have concluded that the crack pattern have fractal properties, and the fractal method can be used to analyze the failure of rock.In this article,the box fractal dimension of two kinds of rock has been measured based on an experiment of SEM.The results illustrated that fractal dimension values varied with rocks.By numerical methods,the mechanism of the variation and relation to the stress and mineral composition in rocks have been studied. Further more,the failure properties characterized by the variation of fractal dimension are also studied by energy method.

【Keywords】

rock;

References

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Springer Journals Database

Total: 5 articles

  • [1] Xie H ,;Wang JA;Kwasniewski MA, Fractal properties of rock and mechnism of rockburst, Chinese Journal of Rock Mech.and Eng,
  • [2] Wang Yaohui,;Li Tingjie, Numerical and Analytical Methods in Geomechanics:DDM simulating the crack and joint in rock,
  • [3] Xie Heping, Fractal rock mechanics,
  • [4] Zhao Yonghong, Crack pattern evolution and a fractal damage constitutive model for rock, Int.J.Rock.Mech.Min.Sci.& Geomech. Abstr,

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