软岩、煤岩互层、断层带中施工特大断面硐室,采用锚索、锚杆、钢筋梯梁、金属网联合支护方式,成功地取代了以往采用的混凝土碹支护,取得了显著的技术经济效益。 Soft rock, interbed of coal and rock, extra-large cross-section cavern in the fault zone. By adopting the method of joint support of anchor cable, anchor rod, reinforced ladder beam and metal net, the concrete pylon support which has been used in the past has been successfully replaced and achieved remarkable results The technical and economic benefits.