What is multi-row hole differential blasting? What are the characteristics of it compared with the bursting?
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Multi-row hole differential blasting generally refers to blasting of a millisecond-level differential interval between multiple rows of holes. Compared with the blasting, the advantages are:
First, improve the quality of blasting and improve the blasting effect.
Second, the pore network parameters can be enlarged, the unit consumption of explosives can be reduced, and the amount of collapse of the gunhole per meter can be increased.
Third, the amount of blasting is large, so the number of blasting can be reduced, and the efficiency of shipping work is improved.
Fourth, it can reduce the earthquake effect and reduce the damage of the blast to the slope and buildings.