Journal of Mining & Safety Engineering ›› 2017, Vol. 34 ›› Issue (2): 221-227.

Previous Articles     Next Articles

Deformation characteristics and control of the surrounding rock in roadways with pre-backfill instead of the pillar in fully mechanized working faces

  

  • Received:2015-07-06 Online:2017-03-23 Published:2017-03-29

Key words:  , roadway driven without coal pillar;pre-backfill in roadways;deformation characteristics of surrounding rock;non-symmetrical supporting aiming different zones