论文部分内容阅读
通过对常村矿S2-5孤岛工作面矿压观测,对顶板的变化规律的摸索,并对支架支护阻力和支护强度的分析,采取有效的支护手段,成功地采完S2-5孤岛工作面,对以后孤岛面的开采具有借鉴意义。
Through the observation of the pressure in S2-5 island face of Changcun Mine and the exploration of roof variation, and the analysis of support resistance and support strength, an effective supporting method was adopted to finish the S2-5 Island work surface, after the island surface mining with reference.