【摘要】 西山煤田 3号煤层属难采煤层 ,为了加快掘进速度 ,提高生产效率 ,在其工作面切眼采用全锚支护。介绍了 3号煤层围岩的概况 ,对全锚支护形式进行了可行性分析 ,对全锚支护施工过程以及所采用的技术措施均作了详细的表述。通过效益分析 ,不仅降低了劳动强度 ,而且还降低了劳动成本。更多还原

【Abstract】 The third coal layer in Xishan mine is difficult mining layer. In order to arise the productive efficiency the cable fully anchoraged supporting in working face is adopted. In the paper the general situation of wall rock of 3# coal layer are introduced and the feasibility to conduct the supporting is analyzed. And the supporting construction process and the adopting technological measures are stated in detail. Through the benefit analysis this method reduce the labor intensity and labor cost.更多还原