Based on the integration analysis of goods and shortcomings of various methods used in safety assessment of coal mines, combining nonlinear feature of mine safe
Bolting of mining roadway for fully mechanized sublevel caving has been practised successfully in Hebi mining area. It provides a new method for roadway support
The designing method and the supporting mechanism of both bolt and small cable anchor for full-seam roadway in the weaker thick coal seam are systematically ana