摘要
通过长大（４７０ｍ）路堑石方２０３排３０８０孔一次性深孔拉槽控制爆破实践，解决了超多排、超多孔深孔爆破设计中的难题，积累了完整的施工经验，具有较大的参考价值。
The successful practice of one-time longhole draw-cut controlled blasting used for a long(470m)rock trench 203 rows,3080 holes solves the problems in design of ultiamultiple-row and ultramultiple-hole longhole blasting.The successful experience is valuable for similar engineering.
出处
《工程爆破》
1996年第3期46-50,36,共6页
Engineering Blasting
