摘要
分析了义马矿区中部矿井冲击压成因,采取了卸压爆破、钻孔卸压、顶板深孔断顶爆破等卸压技术,取得一定效果。
Following and analysis of the causes of pressure bumps observed at the middle part of Yima Coalfield, a series of pressure relief measures including basting, drilling and deep-hole blasting in roof strata. The measures adopted have all met with positive result
出处
《水力采煤与管道运输》
2010年第3期8-10,共3页
Hydraulic Coal Mining & Pipeline Transportation
