In order to improve the coal resource recovery rate, extend the service life of the mine, and reduce the mining rate of 10,000 tons, Gequan Mine firstly adopted the technology of pre-cracked mining roof gob-side entry, and conducted an industrial test in the transportation roadway of the 132下04 working face, the results showed that the top and bottom plates and the displacement of the two sides were controlled within the range of 200 mm, the mine pressure was not obvious, with good effect, which was a reference for other mines in similar geological conditions.
