Mechanism of Roof Cutting and Pressure Relief for Double Roadway Arrangement in Thick Coal Seam
[Purposes] This research is conducted to exploret the roof movement law of double roadway arrangement in thick coal seam and the abutment pressure distribution mechanism of surrounding rock.[Methods] The roof cuttings of single roadway in belt channeling and return air channeling in Gucheng N1302 face were taken as the engineering research objects