欢迎您！东篱公司
退出
-
申报数据库
-
立项数据库
-
成果数据库
-
项目获奖数据库
中文摘要：
云南某铜矿地质条件复杂，矿体和围岩均较破碎且含泥量高，需对其进行大量加固支护。综合分析后，考虑采用长锚索加固技术，对4^#矿体进行围岩预支护、分层整体锚固及顶板长锚索加固。根据矿岩性质及采场结构，进行了锚索支护参数设计。试验结果表明，长锚索加固技术对于厚大破碎矿体适用性强，能有效防止围岩冒落、顶板垮塌及维护巷道完整性。矿石回收率比现用采矿方法提高近20％，矿石贫化率降低8％，经济效益显著。
英文摘要：
The geological conditions of a copper mine in Yunnan province is complicated. Both the ore body and wall rock are bro- ken, and high silt content exits, as a result of which, a large amount of reinforcement and support is required. After the comprehensive analysis , long rope - bolt reinforcement technology was adopted. The wall rock was pre - supported ; the layered ore body was an- chored integrally ; and the roof was reinforced by long rope - bolt. According to the ore - rock properties and stope structure, the rope - bolt parameters were designed. The experimental result shows that the long rope - bolt reinforcement technology is feasible to thick broken ore body. The wall rock inbreaking and roof caving can be avoided effectively, and the roadways keep unbroken. The ore recov- ery rate can be increased 20% than the mining method used nowadays, and the ore dilution rate decreases 8%, which will bring re- markable economical benefit for the enterprise.
同期刊论文项目
同项目期刊论文
Investigation on the threshold control of safety blasting vibration velocity for the extraction of c
The effect of solid components on the rheological and mechanical properties of cemented paste backfi
Leptospirillum forms a minor portion of the population in Zijinshan commercial non-aeration copper b
Comparison of the electrochemical mechanism of chalcopyrite dissolution in the absence or presence o
期刊信息
位置：