Paper Title:
Numerical Study on Effects of Rock Bridge Angle in Uniaxial Compression Test
  Abstract

Numerical specimens with two pre-existing flaws is established by using particle flow code PFC2D and by changing the relative position of the pre-existing flaws different rock bridge angle is obtained. Though the uniaxial compression test of specimens with different rock bridge angle , it can be found that rock bridge angle have a great impact on the mode of crack propagation of specimen. The different relative position between the two pre-existing flaws led to different levels of stress shielding effect under the axial force, and it is most likely to damage when the two pre-existing flaws are about overlap.

  Info
Periodical
Edited by
Robert Zhu
Pages
140-143
DOI
10.4028/www.scientific.net/AMM.137.140
Citation
B. Xie, Y. L. Ma, X. Xia, "Numerical Study on Effects of Rock Bridge Angle in Uniaxial Compression Test", Applied Mechanics and Materials, Vol. 137, pp. 140-143, 2012
Online since
October 2011
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