薄煤层沿空留巷巷旁充填支护效果观测

observation on support effect of gob side entry retaining in thin coal seam

为了缩小薄煤层沿空留巷煤柱尺寸,提高经济效益,文中首先对沿空留巷进行支护分析,提出利用煤矸石充填巷旁,并对充填工艺进行阐述。通过现场观测表明,巷旁矸石充填能够满足支护需求,在经济上有较大优势,是一种具有推广价值的支护方式。

In order to reduce the pillar size and increase the economic benefits of gob side entry roadway in thin seam,the paper firstly analyzes the support of gob side entry retaining Road,and puts forward the use of coal gangue to fillthe side of roadway,and expounds the filling process.The field observation shows that the gangue backfilling underthe roadway can meet the demand of support,and has great advantages in economy.It is a kind of support methodwith popularization value.