caving method

This paper approves the importance in producing minimum vibra-tion energy during the broken of stiff sandstone roof in working of stress releasing seams by caving method.

论文证实了用垮落法开采卸压层使坚硬砂岩顶板折断时产生的振动能为最小的要义。

A Theoretical Calculation Method of the Sublevel Caving Step-distance

综采放顶煤步距的一种理论确定方法

New technique of lateral sublevel caving method for the Large inclined thick seam

急倾斜厚煤层柔掩侧向放煤开采技术研究

Rill cut and fill method Application of low caving coal hydraulic support in thick coal seam with large tilt angle

倾斜分层充填采煤法低位放顶煤液压支架在大倾角厚煤层中的应用

The test and application of hole-bottom priming method in sublevel caving mining

孔底起爆法在无底柱分段崩落法中的试验与应用

Theory and practice of sub-level caving method in China

我国放顶煤开采的理论研究与实践

Application and evaluation of natural caving method in China

国内自然崩落法的应用和评价

Optimized imitation for the process system of long wall mining with caving method

综采放顶煤工艺系统的优化仿真

Knowledge of sub level caving method to control underground impact pressure

放顶煤开采对控制冲击地压的认识

Until recently, an experiment on block caving method has been made and is a success.

根据情况, 我们在该矿进行了矿块崩落法试验研究并获得了成功.

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

Discrete Element Simulation of Ore Drawing by Caving Method in Mining

崩落采矿法放矿的离散元仿真

Study on a New Version of Sublevel Caving Method at a Gypsum Mine in China

无底柱分段崩落法新方案在石膏厚矿床的试验研究