摘要
锚杆支护是煤巷采准巷道支护的发展方向,顶板条件对支护质量影响重大,本文通过 对一次顶板事故的分析,定性、定量的探讨这一问题。
Bolting is the general trend of developing entry in coal seam, but its supporting quality is greatly affected by the condition of roof and bottom. The writer wants to both quantitatively and qualitatively analyze the problem through an accident of roof .
出处
《河北能源职业技术学院学报》
2003年第2期35-36,共2页
Journal of Hebei Energy College of Vocation and Technology
