塑料导爆管起爆的单孔单段顺序起爆的爆破工艺,不仅网路可靠,操作简便,爆破质量好,炸药单耗低,而且降震效果明显。爆破引起的土岩质点振动速度在距爆区200米的地方可以控制在1厘米/秒以下,在距爆区140米的地方可以控制在2厘米/秒以下。质点振动速度与爆破总装药量无关,在保证单孔单段顺序起爆、单孔装药量不超过允许值的情况下,爆破的孔数可按需而定,不受任何限制。 The detonation process of single-hole single-stage sequential detonating initiated by plastic detonating tube not only has reliable network, easy operation, good blasting quality, low unit consumption of explosives, and obvious shock-reducing effect. The vibration velocity of soil rock mass caused by blasting can be controlled below 1cm / s at a distance of 200m from the blasting zone and below 2cm / s at a distance of 140m from the blasting zone. The vibration velocity of particles is not related to the total charge of blasting. When the single-hole single-stage sequence is detonated and the single-hole charge does not exceed the allowable value, the number of holes to be demolished can be determined on demand without any restriction.