本文通过理论计算和实际分析表明，井下爆破空气冲击波对爆破网路有着较大的破坏作用。
In this Paper, the theoretical calculation and Practical analysis Showthat the blasting network Systems are broken by blasting Shock Wave.
分析了煤矿井下爆破串联丢炮的原因，提出了一些办法和措施，对预防串联丢炮有一定的作用。
Factors of influencing commercial electric detonator to misfire in series in coal mining are analysed and measures are put forward in this paper.
综合分析了煤矿井下爆破作业中产生拒爆的主要原因，并根据《煤矿安全规程》和《爆破安全规程》提出了预防拒爆的措施以及正确处理拒爆的办法。
The misfire causes in coal mine blasting are analyzed. Based on the "coal mine safety regulation" and "blasting safety regulations", the preventing and handling measures are put forward.
然而，爆破方法作为一种手段，在煤矿井下仍在广泛使用，在某些方面还是其它方法不能取代的。
However, blasting method as a means, in underground coal mine are still widely used, in some ways or other methods cannot replace.
煤矿井下炮采工作面是一个非常复杂的灾害环境系统，又由于时间、空间的限制，使得炮采工作面爆破作业引发事故的可能性增加。
The coal face of blasting mine in underground coal mine is a very complicated system of disaster environment, the spatiotemporal limit increases the accident probability of blasting operations.
经过优化研究，得出了适宜于大冶铁矿井下中深孔爆破的优化方案。
Through the optimization study, an optimized scheme suitable for the underground deep-hole blasting in Daye Iron Mine , was obtained.
本文笔者就其中井下煤矿深孔爆破施工技术进行阐述。
In this paper the author of underground coal mine deep hole blasting technology in this paper.
在矿山爆破动载荷的强烈作用下，岩土层可能产生液化现象，并形成井下泥石流，造成重大损失。
With the strong action of mines blasting dynamic load, the rock layer may lead to liquefaction, and great loss like underground mud-rock flow may be created.
介绍了汾西矿业集团1956年以来煤矿井下发生的爆破事故，共分为8种类型。
There come the introductions of the explosion accidents have occurred in Fenxi Mining Group since 1956, they fall into 8 classes.
由于炮孔堵塞不牢和初始自由面利用不充分，井下平巷的掘进开挖爆破仍存在投入大、爆破结果欠理想等问题。
Because of the weak borehole sealing and inadequate use of the initial free face, the higher investment and unsatisfactory blasting effect still exist in the mine tunnel excavation blasting.
由于炮孔堵塞不牢和初始自由面利用不充分，井下平巷的掘进开挖爆破仍存在投入大、爆破结果欠理想等问题。
Because of the weak borehole sealing and inadequate use of the initial free face, the higher investment and unsatisfactory blasting effect still exist in the mine tunnel excavation blasting.
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