提出了中深孔抛掷爆破分段空场法，并阐明其对采场地压的适应性。
Medium and deep hole casting blast sublevel open stoping method is suggested and its suitability to the stope ground pressure is expounded.
该评价模型的建立，为露天矿抛掷爆破效果评价提供了一种有效的方法。
The evaluation model's establishment provided an efficient method for evaluating the effect of casting blast for open pit.
在露天矿抛掷爆破中，爆破效果的优劣影响到拉斗铲作业效率及露天矿生产成本。
The effect of casting blast could influence working performance of dragline and cost of production in open-pit.
在实验室进行了单孔抛掷爆破试验，观测了台阶爆破漏斗形成过程，分析了抛掷速度及分布规律。
The single-hole casting blast experiment was conducted in lab. The formation process of blasting crater was observed and the casting velocity and its distribution rule was analyzed.
通过建立松散体离散单元模型，采用ALE耦合算法，模拟了松散介质坍塌堆积物的抛掷爆破过程。
By establishing the discrete element model of loose object and using ALE coupling algorithm, the simulation of loose medium's casting blast process is performed.
根据露天煤矿高台阶抛掷爆破现场工况和相似准则，建立了高台阶抛掷爆破的相似试验模型，推导了相似常数。
According to the actual condition of high bench in open cut coal mines and similarity law, a similarity model of high bench casting blast experiment was built and similarity constant was deduced.
在硐室爆破工程实践中，为了达到设计的抛掷距离和特定的抛体堆积形态，往往设计布置平面药包。
In order to achieving a designed throwing distance or special shape of pile in practical chamber blasting, the plane charges were, sometimes, adopted.
针对这两种布药结构可比性问题，论文就条形药包与分集药包爆破漏斗特点和抛掷堆积规律进行了试验研究。
In view of the two layout of charges constant nature, this paper researched blasting cone and throwing accumulation rule of linear and sub-concentrated charge by experiment.
在硐室爆破工程中应用平面条形药包可以有效地实现对抛掷的控制。
The effect of throw out blasting can be controlled effectively by adopting plane strip shaped charge in chamber blasting engineering practice.
水下定向爆破可以通过减少抛掷方向的介质密度、形成定向坑，利用定向聚能药包及延期爆破等方法实现。
Underwater directional blasting can be achieved through the methods of reduced density of medium in thrown direction, formed directional pit, directional comulative blasting, delayed blasting etc.
本文还指出了倾斜自由面与水平自由面爆破抛掷漏斗等抛距图的本质区别。
The paper also points out the essential differences between the graph of equidistant lines …
试验表明模拟煤层的部分基本上无破坏，爆破设计应采用欠深预留保护层来保护底部煤层不受抛掷损害作用。
The experiment indicates that the part simulating coal layer was not damaged to some extent, and suggests that less-deep protection layers…
试验表明模拟煤层的部分基本上无破坏，爆破设计应采用欠深预留保护层来保护底部煤层不受抛掷损害作用。
The experiment indicates that the part simulating coal layer was not damaged to some extent, and suggests that less-deep protection layers…
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