“三小”分区光爆技术的试验与应用

Test and application of "three small" partition smooth blasting technology

通过现场试验给出了"三小"及光面爆破的有关技术参数,对搞好巷道成型、降低生产成本、提高施工进度、促进安全生产有着积极的作用。

Through the field test, get the relevant technical parameters of ＂three small＂ and smooth blasting, which has a positive role to do well the roadway forming, reduce production cost, improve the construction progress, and promote safe production,