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在爆破施工中采用一种特制的毫秒延期雷管,以毫秒级时差顺序起爆各个药包的爆破技术,其原理是把普通齐发爆破的总炸药能量分割为多个较小的能量。论述了微差爆破的工艺原理、爆破参数的确定、施工要点及爆破后的检查验收。
A special millisecond delay detonator is used in the blasting construction to blast the blasting technology of various kits in order of millisecond time difference. The principle is to divide the total explosive energy of ordinary blasting into several smaller energies. The principle of the millisecond blasting, the determination of the blasting parameters, the construction essentials and the inspection and acceptance after the blasting are discussed.