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| 光面爆破沿开挖边界布置密集炮孔，采取不耦合装药或装填低威力炸药，在主爆区爆破之后起爆，以形成平整的轮廓面的爆破作业。周边孔最后起爆，它与先爆孔之间的延迟时间比炮孔组之间的延迟时间要长。爆破后岩体轮廓面成形规整,围岩保持稳定无明显炮震裂缝的控制爆破。光面爆破与预裂爆破的区别在于光面孔最后起爆,它不仅负责形成裂缝，还负责光面孔前面混凝土的破碎 | |||
| 光面爆破 | |||
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smooth wall blasting : 1 phrase in 1 subject |
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