721-3矿井岩巷掘进光面爆破的应用

Application of smooth blasting to development excavation in 721-3 mine

摘要: 通过对721-3矿井岩巷掘进光面爆破的应用,总结了掏槽眼、周边光爆眼的各种施工、爆破相关参数、施工实践经验、体会等。

Abstract: Through applying Smooth blasting to derelopment excaration in 6721-3 mine the writer Summus up the relatecl Construection and blasting Parameters of the deep cuts and Surrouding Smooth-blasting Cuts,and also the first-hand experiences.