摘要
本文针对金山店铁矿Ⅱ采区—60m水平215矿块矿岩特性,研究出了一套在粉矿中分类掘进、分级支护巷道的综合技术。实施后。巷道的成巷率大幅度提高,且在回采过程中均保持了良好的稳定性,为采矿攻关任务的完成奠定了可靠基础。
Directing against the rock mass characteristics in No. 215 stope to locate in—60m level of mining district Ⅱ in Jinshandian Iron Mine,a comprehensive technique by classified driving and supporting for drift in the powder ore was developed. When this technique was carried out, the shaping rate of drift was raised greatly, and the preferable stability can be maintained in the process of stoping, thus laying reliable foundation for the completion of stoping operation.
出处
《金属矿山》
CAS
北大核心
1993年第7期12-18,25,共8页
Metal Mine
