【摘要】 介绍了预裂爆破的应用,并结合实际操作经验,描述了顶板预裂爆破的关键问题及工序安排,为8615工作面提高爆破效果及综采效率提供依据。更多还原

【Abstract】 The application of pre-splitting blasting is introduced, and the key problems and process arrangement of roof pre-splitting blasting are described in combination with practical operation experience, which provides a basis for improving blasting effect and fully mechanized mining efficiency in 8615 working face.更多还原