【摘要】 在分析国内外露天台阶爆破地震效应及爆破地震控制研究的基础上,针对放马峪铁矿采场爆破方式及孔网参数,研究了高段位雷管延时时间微差爆破的地震效应规律,具体研究工作是在现场监测试验的基础上,通过爆破地震波的信号分析技术,研究高段位雷管的爆破降震效果。更多还原

【Abstract】 Based on analysis of earthquake effection and controlling of open-air bench blasting both in domestic and abroad,the law of millisecond time delay blasting’s seismic effect of high rank detonators is studied upon the blasting method and hole network parameters of Fong Ma-suiron ore stope.As basis of the field monitoring experiment and through the blasting seismic waves signal analysis technique,effect of alleviating earthquake what is the studied.更多还原