论文部分内容阅读
沿空留巷是无煤柱开采的一项重要技术,已被广泛应用。鸡西市地方煤矿经过质量标准化建设后,锚杆、锚索联合支护在沿空留巷中得到了广泛的推广应用。
Gob-side entry retaining is an important technique for coal-free pillar mining and has been widely used. Jixi local coal mine after the quality of standardized construction, bolt, anchor joint support in the gob-side entry has been widely promoted.