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- Keywords Underhand drift stope and filling;Stope structural parameter;Numerical simulation;Stability analysis; 下向进路式充填法;采场结构;数值模拟;稳定性分析;
- Underhand drift stoping 下向开采
- Underhand drift cut -and -fill stoping 下向进路
- underhand drift cut-and-fill stoping 下向进路胶结充填采矿法
- This paper describes main technical characteristics of underhand drift hydraulic sand filling method and its successful application at North Part of Wushan Copper Mine. 简述了铲运机出矿的下向进路式水砂充填采矿法的主要技术特点和在武山铜矿北矿带的成功应用。
- This technique is better in solving the technical difficulty in preventing the fillbody from failure when conducting a blasting in upward drift stoping with cem... 这种技术较好地解决了上向进路胶结充填法回采爆破时防止爆破破坏充填体的技术难题。
- Practice of Pre-setting Laneway in Underhand Drift Cut-and-Fill Stoping 下向进路式胶结充填采矿法中巷道预留技术实践
- In view of the problems on filling technic occurring in underhand drift cut-and-fill sloping in Kelatongke Copper-Nickel Mine, Xinjiang, a study on the technic of cemented filling with tailings and Gobi aggregate has been carried out. 摘要针对喀拉通克铜镍矿在下向进路胶结充填采矿法充填工艺所存在的问题,开展了尾砂与戈壁集料胶结充填工艺技术的研究。
- underhand drift cut-and-fill stopping 下向进路采矿
- Slice Drift Stoping with Roof Cut Caving and Its Application 分层进路挑顶崩矿回采工艺及其应用
- Keywords filling method;drift stoping;unsized tailings; 充填采矿法;进路回采;全尾砂;
- He got the money in a very underhand manner. 他用极为狡诈的手段弄到了这笔钱。
- Keywords Underhand drift cut-and-fill stoping;layout of mining drifts in upper slice and under slice;Mining sequence;Stability;Numerical analysis; 下向胶结充填采矿;回采进路布置;回采顺序;稳定性;数值分析;
- Stability Analysis of the Artificial Roof in Drift Stoping of Crown Pillar 进路法回采顶柱人工假顶的稳定性分析
- A secret or underhand scheme; a plot. 阴谋,密谋秘密的或不光彩的计划; 密谋
- I didn't get the drift of his argument. 我没有听懂他论点的要领。
- I can't quite catch the drift of his speech. 我不甚了解他的演讲的大意。
- There is a drift of farmers to the cities. 农民流向城市。
- Keywords reliability theory;underhand drift cut-and-fill stopping;strength of backfill; 可靠度理论;下向进路采矿;充填体强度;
- We switched off the motor and started to drift (along). 我们关闭发动机开始滑行。