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- W2353994417 abstract "By using a particle flow code—PFC2D,numerical simulations on samples containing two parallel cracks with different rock bridge angles under uniaxial compression are conducted to research the cracks propagation and coalescence.The cracks propagation process and the number of microcracks have been tracked by functions in PFC.Numerical results show that:with the increasing of rock bridge angle under uniaxial compression,the crack coalescence patterns gradually evolve from tensile mode(≤68°) to tensile-shear mixed mode(= 90°and 113°) and shear mode(= 135°);and the samples peak strengths gradually decrease.The macroscopic secondary shear zone mainly comprise of tensile microcracks and bits of shear microcracks.Comparison between the numerical simulation results with the experiment results indicates that PFC can simulate the crack coalescence process properly." @default.
- W2353994417 created "2016-06-24" @default.
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- W2353994417 date "2012-01-01" @default.
- W2353994417 modified "2023-09-27" @default.
- W2353994417 title "SIMULATIONS OF CRACK PROPAGATION IN ROCK-LIKE MATERIALS USING PARTICLE FLOW CODE" @default.
- W2353994417 hasPublicationYear "2012" @default.
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