In order to overcome the low strength of support， large danger and labor caused by working face ending expanding adopted monomer column tunnel shed， active anchor supporting was instead of previous passive support in Chensilou Mine retreat roadway construction， the result showed that the technology not only improved roof and sides support strength， but also reduced the labor force， with good effect.
郭贡献， 刘国庆. 锚杆支护在采煤工作面扩通道中的应用[J]. 煤炭与化工, 2015, 38(5): 77-79，82.
GUO Gong-xian， LIU Guo-qing. Anchor Bolt Support Application in Mining Working Face Expanding Roadway. CCI, 2015, 38(5): 77-79，82.
