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- W2363779981 abstract "Simulations were performed to analyze the propagation and superposition processes of stress waves aiming to three different charge structures under top,bottom and simultaneous initiations,respectively.The pressure in the middle of the borehole increases greatly when increasing the top charge under top and simultaneous initiations.Adopting bottom initiation,the pressure peaks of stemming part are higher than those adopting the other two initiations.For three charge structures under bottom initiation,comparisons of the pressure curves along the boreholes display that more even-distributed pressure can be obtained and the corresponding mean pressure is higher by increasing the top charge.The simulated results were applied to the field practice and the big fragments were deleted basically.So the gangue backfill efficiency can increase by adopting air-deck charge blasting." @default.
- W2363779981 created "2016-06-24" @default.
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- W2363779981 date "2012-01-01" @default.
- W2363779981 modified "2023-09-25" @default.
- W2363779981 title "Pressure distribution along borehole with axial air-deck charge blasting" @default.
- W2363779981 hasPublicationYear "2012" @default.
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