ore drawing

Research on applications of discrete element method in ore drawing for caving system

离散元法在崩落法放矿中应用的研究

A study on ore drawing and computer-based production scheduling in block caving method

自然崩落法放矿与计算机排产方法的探讨

The ore dilution rate depends on the ore drawing parameters.

矿石贫化率取决于放矿参数.

Relation between macroscopic stress shell and key layers of ore drawing& mining stope

综放采场宏观应力壳与关键层的联系

To seek for a safe, highly efficient and low cost mining method for thick and large ore bodies, a Yimen Mine Administration Bureau sponsored research on the caving method of side extruding continuous advancing vibratory ore drawing was carried out at Fengshan Mine.

为寻求厚大矿体安全、高效、低耗的采矿方法，易门矿务局联合有关单位在凤山矿开展了侧向挤压连续推进振动出矿崩落法的研究工作。

It shows that the rock dilution during ore drawing directly influences on the size distribution of mined out ore.

研究表明，放矿过程中岩石混人对采出矿石的粒度组成有直接的影响。

Simulation of ore drawing process in mass caving mine

连续开采型自然崩落法出矿生产系统模拟

The ore-drawing computer control in caving method s

自然崩落采矿法计算机放矿控制技术

The system is suitable for ore-drawing management of high level and large drawing area of block caving system.

该系统适合于大规模、高阶段矿块崩落法放矿生产管理。

For those mines adopting the sublevel caving method, the large structure parameters of the natural lay are not suitable for the ore drawing in transition sublevel process.

采用无底柱分段崩落法回采的矿山，在向大结构参数的转变过程中，正常布置的大结构参数不适用于过渡分段的放矿。

Discrete Element Simulation of Ore Drawing by Caving Method in Mining

崩落采矿法放矿的离散元仿真

Test of continuous mechanized ore-drawing technology in block forced caving system for thick asbestos ore body

石棉厚矿体阶段强制崩落连续机械化出矿工艺的试验

The moving equations of broken ore during ore drawing in caving mining methods

关于崩落法放矿时矿岩移动方程

Rationality of ore-drawing expectancy theory to be proved with fuzzy planning

用模糊规划证明期望放出体的合理性

Big parameter and multi-subsection of sublevel caving method without sill pillow in the base of undiluted ore drawing

大参数多分段并行无贫化放矿的无底柱分段崩落法

Discussion on scraper ore drawing bottom structure in block caving

自然崩落法铲运机出矿底部结构的探讨

An application of low angled pass into ore drawing in Shanxi silver mine

低角度斜溜井放矿在陕西银矿的应用