摘要
为了解决保德煤矿81306综放工作面受二次采动影响严重的问题,根据顶板岩性、矿压显现情况,对81306工作面1#、2#回风巷采用锚索配套热轧Ω型钢带联合支护进行试验,结果表明,在81306工作面回采期间,采用该联合支护降低了巷道的后期二次支护以及巷道恢复治理工程量,在满足巷道使用的前提下,保证了安全生产,同时达到施工的经济性。
Aiming at the serious secondary mining influence of 81306 fully mechanized top coal caving face in Baode coal mine,according to the roof lithology and mine pressure conditions,a combined support technology is tested in81306 working face 1#and 2#air return way,using anchor cable and hot rolled steel strip.The results show that,during the mining of 81306 working face,the engineering quantity of roadway secondary support and recovery management is reduced in the late period.The application requirements of roadway are satisfied,and the production safety and construction economy is ensured.
出处
《煤炭工程》
北大核心
2016年第S1期42-43 46,46,共3页
Coal Engineering
关键词
复合型顶板
热轧Ω型钢带支护
二次采动影响
冲刷段巷道支护
compound roof
Ω hot rolled steel strip
secondary mining influence
roadway support in erosion section
