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The paper is of important instructive importance to reduce loss and depletion by sublevel caving method without sill pilla... 并对今后无底柱分段崩落法降低损失贫化具有重要的指导意义。
To simulate the problem,a numerical analysis method,FLAC3D is applied to analysis the depressurization range of sublevel caving method. 应用FLAC3D对分段崩落法的卸压范围进行了数值分析,据此确定出适于卸压的采场结构,由此形成了无底柱分段崩落法开采倾斜矿体的卸压开采方案。
In light of the characteristics of Nonpillar sublevel caving method,Probability integral method is used to predict mining subsidence and modified to improve predicting accuracy. 针对无底柱分段崩落法的采矿特点,把概率积分法引入金属矿山开采沉陷预测中,并通过模型修正提高预测精度。
The big parameter and multi-subsection of sublevel caving method without sill pillow combines the Caving method with the advanced theoretic and technic. 大参数多分段并行无贫化放矿的无底柱分段崩落法,是当前崩落法先进理论和技术以及工艺的综合。
Aceording to the diffcrent conditions of mines applied non-sill sublevel caving method,various programmes for application of non-dilution ore drawing mothod are presented. 并根据无底柱分段崩落法矿山的不同情况，提出了各种应用无贫化放矿的实施方案。
In the process of a drawing management of stope by sublevel caving method,the stoppedtime of drawing operation is determined based on two-indexes of both drawing volume and cut-offgrade. 在无底柱分段崩落法的采场出矿管理中，采用出矿量和截止出矿品位两个指标来确定放矿截止时间。
The fine technical and economic index are gained in the production practice,and the mining technique using sublevel caving method in the complicated orebody of soft,break and gen... 在生产实践中获得了良好的技术指标，发展了无底柱分段崩落法在软弱破碎缓倾斜复杂矿体中的开采技术。
sublevel caving method without sill pillar 无底柱分段崩落法
non - pillar sublevel caving method 无底柱分段崩落法
fully mechanized sublevel caving method 综放开采
sill pillars sublevel caving method 有底柱分段崩落法
sill-free sublevel caving method 无底柱分段崩落法
Non-pillar sublevel caving method 无底柱分段崩落法
pillarless sublevel caving method 无底柱分段崩落法
Development of CAD System for Sublevel Caving Method 无底柱分段崩落法计算机辅助设计系统的研制
Research and Application of Large Interval Non-pillar Sublevel Caving Method 大间距无底柱分段崩落采矿法的研究和应用
Keywords sill pillars sublevel caving method;trenching tunnel;bottom structure; 有底柱崩落采矿法;堑沟巷道;底部结构;
Development of CAD system for sublevel caving method without sill pillar based on ObjectARX 基于ObjectARX的无底柱分段崩落法cad系统的研制
Stope Size Optimization of Sublevel Caving Method without Sill Pillar in Beiminghe Iron Mine 北洺河铁矿无底柱分段崩落法采场尺寸优化研究
Sublevel caving without sill pillar is used in Xishimen Iron Mine. 西石门铁矿采用无底柱分段崩落采矿法开采。