Numerical simulation of shear behaviour of non-persistent joints under low and high normal loads

Vahab Sarfarazi, Abdolhadi Ghazvinian, Wulf Schubert

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Abstract

In this paper, the effect of rock bridge surface on the shear behavior of planar non-persistent joints under low and high normal loads has been investigated using particle flow code in 2 Dimensions. PFC2d was calibrated with respect to the data obtained from experimental laboratory tests to ensure the conformity of the simulated numerical models response. The models consisting non-persistent joint were simulated and tested by shear loading under low and high normal loads. The discrete element simulations demonstrated that the failure pattern was mostly influenced by normal load, while the shear strength was linked to the failure pattern and failure mechanism. The failure patterns were found reasonably similar to the experimentally observed trends.

Original languageEnglish
Pages (from-to)517-529
Number of pages13
JournalPeriodica Polytechnica / Civil Engineering
Volume60
Issue number4
DOIs
Publication statusPublished - 2016

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Keywords

  • Joint separation
  • Normal load
  • Particle flow code
  • Shear and tensile cracks

ASJC Scopus subject areas

  • Civil and Structural Engineering
  • Geotechnical Engineering and Engineering Geology

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