Based on the model of slope engineering geology,the creep and its failure mechanism of tall and bedding slope are deeply analyzed in this paper .The creep laws
A typical gateway is analyzed using fully-deformable discrete element method. The fractured zone around the gateway is measured in field. Based on the measureme
A fuzzy control scheme is presented according to the coal quantity in the main coal bunker, this method has a good dynamic response characteristic and is suited
Air leakage velocity in intake goaf and distribution of air leakage in mining area are de-termined by instantaneous and steady liberation of tracer gas SF6. Gas
The stability of underground opening is strongly constrained by a variety of factors.These include initial stress, structure of rock mass, and underground water