Knowledge of sub level caving method to control underground impact pressure

Pan Liyou; Niu Xueliang

Pan Liyou, Niu Xueliang. Knowledge of sub level caving method to control underground impact pressure[J]. Chinese Journal of Geotechnical Engineering, 1999, 21(1): 17-19.

Citation:

Pan Liyou, Niu Xueliang. Knowledge of sub level caving method to control underground impact pressure[J]. Chinese Journal of Geotechnical Engineering, 1999, 21(1): 17-19.

Citation:

Pan Liyou, Niu Xueliang. Knowledge of sub level caving method to control underground impact pressure[J]. Chinese Journal of Geotechnical Engineering, 1999, 21(1): 17-19.

Knowledge of sub level caving method to control underground impact pressure

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Based on the practical theory of ground pressure, the characterisitcs of roof coal movement and the distribution law of abutment pressure are nainly analyzed. The distribution law of inner stress field and its effect on controlling underground impact pressure are discussed, when sub-level caving method is introduced.

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