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| 压碴爆破在露天采场台阶坡面上留有上次的爆堆情况下进行爆破的方法。将已破碎岩体作为一种缓冲物，向破碎岩体抛掷的爆破。实验室和现场爆破试验表明,药量一定时，如果缓冲岩石的膨胀因子为1. 5左右,与无丝毫缓冲物的爆破相比,其块度将得到改善; 控制周边轮廓的缓冲爆破用于预裂爆破的一个术语，在露天矿大直径预裂炮孔中，不但最后的周边孔要减少装药量，靠周边孔的两排〈缓冲排〉孔也要减少药量。缓冲区炮孔直径与爆破破碎区相同,但缓冲区炮孔位置在正常破碎区炮孔的1/2buffer3/4处 | |||
| 缓冲爆破 | |||
| 缓冲爆破 (法) | |||
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buffer blasting : 4 phrases in 1 subject |
| Explosives and Explosive Ordnance Disposal | 4 |
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