摘要
介绍了现有的煤矿井下巷道掘进的支护形式,主要有锚杆支护、伸缩性能突出的支架、预设煤柱、矿用支护型钢,并分析了煤矿井下巷道掘进顶板支护现存的问题及施工要点,从而提出了科学的整治措施,以期改善顶板支护技术的现状。
This paper introduces the existing coal mine roadway supporting form, the main anchor, the outstandingperformance of the telescopic bracket, preset coal pillar, mine support steel, and analyzes coal mine roadway roofsupport and construction points of the existing problems, and puts forward the scientific measures in order to improvethe current situation of roof supporting technology.
出处
《机械管理开发》
2017年第12期135-136,共2页
Mechanical Management and Development