为 含空孔直眼掏槽爆破参数设计提供了依据。
The study has provided a ba se for design of blasting parameters of parallel cut.
介绍了采用中深直眼掏槽爆破的施工方案,并指出几个关键性的技术问题。
In this paper the construction plan of mid depth parallel cut blast is introduced, meanwhile some important technical questions are pointed out.
为了考查无空孔直眼掏槽爆破参数,采用数值模拟方法研究单自由面垂直炮孔的爆炸作用问题。
To investigate the parameters of parallel cut blast without empty holes, an advanced numerical method is used to study the explosion effect of charge in hole perpendicular to a free surface.
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