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《Coal Technology》 2018-01
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Open Water Deep Hole Position Interval Blasting Numerical Simulation

WANG Qi;ZHANG Shi-ping;LIN Zhe;College of Mining Technology,Taiyuan University of Technology;  
The numerical simulation software LS-DYNA was used to simulate the upper water separation drug,the middle water interval drug and the lower water spacer drug respectively.The results were analyzed and compared with the three pressure decay analysis,blasting vibration analysis and peak wall stress in different positions.The comprehensive analysis shows that the structure of the middle water spacer is the most ideal and suitable charge structure in the damping effect.
【CateGory Index】: TD235
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