The application of the geology mining condition and the gob-side entry support technology in haulageroadway No. 451 face are introduced.
介绍了45 1工作面运输平巷的地质采矿条件及沿空留巷支护技术在该巷的应用情况。
2
Through analysis to weak coalbed and harmfulness to roadway, main haulageroadway and room supporting design and adaptability condition are discussed in weak coalbed.
The main factor causing destruction of roadway in tectonic stress field is found to be the high tensile strain, which appears after the coal seam above haulageroadway is mined.