Arrangement method of lower layered face mining roadway for thick seam slice mining

The invention discloses an arrangement method of a lower layered face mining roadway for thick seam slice mining. The method comprises the following steps: determining a stress decreasing area, a stress increasing area and an original rock stress area in an advancing direction of a lower layered face and determining the section and the size of the mining roadway according to the use functions and service requirements; arranging a lower layered face open-off cut in the original rock stress area on the boundary of the stress increasing area and the original rock stress area at the rear part of an upper layered face open-off cut along an upper layered coal seam roof; arranging a lower layered face haulage roadway and a lower layered face tail gate in parallel in an inner dislocation manner; arranging a lower layered face haulage roadway and the lower layered face tail gate along the upper layered coal seam roof from the lower layered face open-off cut at a certain distance, transitioning the upper layered coal s