coal mine blasting的意思|示意

Abstract: with the mine production mechanization degree unceasing enhancement, as a traditional method of coal blasting fall coal mining machinery has gradually be replaced.

摘要：随着煤矿生产机械化程度的不断提高，作为传统采煤方法的爆破落煤已逐渐被机械采煤所代替。

Gas management is a difficult problem at the blasting and caving face in high gas mine. It restricts the safe production of coal mine.

在高瓦斯矿井中，炮采放顶煤工作面的瓦斯治理工作一直是个难题，它严重制约着煤矿的安全生产。

Proper millisecond time of blasting and corresponding frequency are chosen to decrease the blasting effects on buildings near the area of coal strip mine.

通过现场试验和爆破地震效应的观测，选取了较为合理的爆破微差时间及相应的爆破地震频率，降低了矿区附近的爆破地震效应。

Introduced the directional broken blasting technology and application results in Xingtai coal mine.

介绍了定向断裂爆破施工工艺及其在邢台煤矿应用的效果。

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.

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。

According to the study of the working face with a strong probability of rock burst, the EME can be used to forecast the rock burst and to check the effect of unloading blasting in coal mine.

对具有强冲击危险工作面进行的研究表明，电磁辐射完全可以预测煤矿冲击矿压危险，检验卸压爆破效果，而且准确率高，效果明显。