摘要
岩石中装药爆破引起的扩腔是由爆炸冲击波和爆生气体共同作用的结果，并有冲击波压缩在先，爆生气体膨胀在后．炮孔偶合柱状装药爆破时，爆腔半径一般是炮孔半径的１．１５～１．３０倍，而爆腔扩胀过程中的能量消耗则占炸药爆炸总能量的１０％左右．
The expansion of cavity in rock blasting is resulted from common effects of shock wave and detonation gas,the compression of shock wave is occurred firstly and expansion of detonation gas is followed.During coupling column blasting of blasthole,the radius of explosion cavity is generally 1.15～1.30 times as much as the radius of blasthole,and the energy consumption in the course of the cavity expansion accounts for about 10% of the total blasting energy.
出处
《煤炭学报》
EI
CAS
CSCD
北大核心
1997年第4期392-396,共5页
Journal of China Coal Society
关键词
岩石爆破
冲击波
爆生气体
爆腔
爆炸能量
rock blasting,shock wave,detonation gas,explosion cavity,explosion energy
