煤矿爆破
煤礦爆破
매광폭파
COAL MINE BLASTING
2011年
3期
30-31
,共2页
煤层%坚硬顶板%松动爆破%强制放顶
煤層%堅硬頂闆%鬆動爆破%彊製放頂
매층%견경정판%송동폭파%강제방정
coal seam%hard roof%loose blasting%forced roof caving
本文介绍了顾北矿1212(1)综采工作面切眼松动爆破强制放顶技术,圆满地解决了初放期间的顶板管理问题,取得了较好的安全效益。
本文介紹瞭顧北礦1212(1)綜採工作麵切眼鬆動爆破彊製放頂技術,圓滿地解決瞭初放期間的頂闆管理問題,取得瞭較好的安全效益。
본문개소료고북광1212(1)종채공작면절안송동폭파강제방정기술,원만지해결료초방기간적정판관리문제,취득료교호적안전효익。
The forced roof caving using cut loose blasting technique in fully mechanized working face of Gubei Mine 1212 (1) is introduced in this paper, which makes a satisfactory solution to the problem of the roof management during initial caving and achieves good safety benefits.