石方路堑超多排深孔拉槽控制爆破研究STUDY ON CONTROLLED BLASTING OF ROCK TRENCH ULTRMULIPLE-ROW LONGHOLE DRAW-CUT
刘宏刚,张俊兵,徐建忠
Liu Honggang;ZhangJunbing;Xu Jianzhong(The third Engineering Bureau of the Ministry of Railways of China,Taiyuan 030001)
摘要(Abstract):
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.
关键词(KeyWords):
路堑,超多排深孔拉槽,控制爆破
Trench Ultramultiple-row longhole draw-cut Controlled blasting
基金项目(Foundation):
作者(Authors):
刘宏刚,张俊兵,徐建忠
Liu Honggang;ZhangJunbing;Xu Jianzhong(The third Engineering Bureau of the Ministry of Railways of China,Taiyuan 030001)
- 刘宏刚,张俊兵,徐建忠
Liu Honggang - ZhangJunbing
- Xu Jianzhong(The third Engineering Bureau of the Ministry of Railways of China
- Taiyuan 030001)
- 刘宏刚,张俊兵,徐建忠
Liu Honggang - ZhangJunbing
- Xu Jianzhong(The third Engineering Bureau of the Ministry of Railways of China
- Taiyuan 030001)