摘要
+860m水平8~#煤大采高巷道超前支护实验使用了ZTC4000/25/45型超前支架。结合实际使用情况总结了该型支架的特点,并对其不足进行技术改造。该型支架支护强度高、整体效益好,较好地解决了两巷超前支护中所面临的问题。
ZTC4000/25/45 type roadway forepoling was used in 8~# coal seam with large mining height in +860m level.In this paper, combined with the actual use,summarized this type support characteristics, the technical transformation was made according to its deficiencies. This type of support has high strength and good overall benefit, and it can solve the problems in the two entries.
出处
《山东煤炭科技》
2017年第6期20-21,共2页
Shandong Coal Science and Technology
关键词
超前支架
安全
支护
advanced support
security
support
