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    Formation mechanism of core discing during drilling under deep in-situ stress environment: Numerical simulation and laboratory testing

    Core discing often occurs during drilling under deep in-situ stress environment. To determine its formation mechanism in sandstone under deep in-situ stress environment, PFC2D was used to study the crack distr...

    Fei Li **飞, Ming-zhong Gao 高明忠, Si-qi Ye 叶思琪… in Journal of Central South University (2023)