一个爆破炮眼组包括掏槽眼、辅助眼、压眼和边界眼。
A blast round consists of cut, relief, breast, and trim holes.
在楔形掏槽眼外侧的扩槽眼也要有角度以改善爆破效果。
The loosening holes outside the plough cut are also drilled at an Angle which improves the breakage possibility.
其中涉及到光面爆破参数的选择与试验确定，掏槽眼的布置方式、装药结构、起爆手段、管道效应、爆破效果及特点。
The selection and test determination of smooth blasting parameters, layout of snubbers, charging structure, initiation device, tubing effect, blasting effect and its properties are involved.
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.
实践表明，在煤矿岩巷掘进中使用准直眼掏槽方式，能够取得良好的爆破效果和显著的技术经济效益。
The test results show that the better blasting effect and obvious technical and economic benefits in coal rock drivage can be acquired by means of the quasi-parallel cutting method.
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.
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.
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