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EFFECT OF CONNECTION MODE OF ELECTRIC BLASTING NETWORK ON RELIABILITY OF SUCCESSFUL DETONATION

Liu Xueqiang(Blasting Technology Research Institute,Central Coal Mining Research Institute,Anhui 235039)  
Blasting reliability is key to the coal mining operation and ground blasting.It is always difficult to understand for blasting operator that the blastholes in group are often misfired in the middle of series or series-parallel network or blasting happens only at one side.In this paper,the phenomenon of misfire blastholes in group in the electric blasting network is assessed for sign of poor blasting through experiments,theoretical derivation and quantitative analysis,but not generally with the qualitative analysis.
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