摘要
介绍了扇形排孔侧向自由面多排同段爆破技术在狮子山铜矿大团山矿段25A采场的实践,较成功地解决了由于矿岩破碎,部分硐室垮落严重,无法实施正常爆破次序条件下的爆破技术问题,取得了很好的爆破效果。
The practice of multi-row and synchronizing delay blasting technique of lateral free surface of fan-shaped row hole in Datuanshan mining section 25A stope of Shizishan copper mine is introduced, which solves serious caving of parts of chamber dues to ore-rock broken, leading to impracticability of blasting technique under the conditions of normal blasting order more successfully. The blasting effect is very good.
出处
《价值工程》
2012年第12期30-30,共1页
Value Engineering
关键词
扇形排孔
侧向自由面
多排同段
fan-shaped row hole
lateral free surface
multi-row and simuhaneity
