摘要
采用辅助孔与预裂孔相同孔径(Φ165 mm或Φ200 mm)的爆破技术,提高靠界爆破的半壁孔率,提高减震效果,减少靠界爆破对边坡的冲击力度,从而更有效长久地保护好边坡完整和稳定。
The half porosity of by-boundary blasting is increased,the effects of shock absorption are improved,and the impact force of by-boundary blasting to side slope is decreased by applying the blasting technique with same aperture（Φ 165 mm or Φ 200 mm） of via hole and presplitting hole.Moreover,the completion and stability of side slope could be protected more effectively and permanently.
出处
《包钢科技》
2010年第3期80-83,共4页
Science & Technology of Baotou Steel
关键词
相同孔径
靠界爆破
完整和稳定
same aperture
by-boundary blasting
completion and stability
