Inclined leg micro arching special-shaped shed supporting method for high-dipping three-soft coal seam mining roadway

The invention discloses an inclined leg micro arching special-shaped shed supporting method for a high-dipping three-soft coal seam mining roadway. The inclined leg micro arching special-shaped shed supporting method comprises the following steps that the cross section of a high-dipping three-soft coal seam mining roadway is designed to be in an inclined leg micro arching special shape, and the inclined leg angle is consistent with the coal seam dip angle; mining roadway tunneling is conducted along a coal seam top plate, and anchoring rods and metal nets are adopted for supporting; roadway surrounding rock deformation is monitored, an inclined leg micro arching special-shaped telescopic shed is manufactured through U36 structural steel and composed of inclined leg beams, micro arching beams, micro arching legs and three pairs of fastening clamping cables, U-shaped grooves are formed in the upper ends of the inclined leg beams, anti-inserting pillar shoes are welded to the lower ends of the inclined leg beams