CAJ | 학술논문

鲁南矿业上河矿段地质条件差别大,岩性繁杂,产状变化大,赋存规律性差,针对不同地段和构造部位,以充分发挥围岩的自身承载能力为切入点,采用锚网喷等多种支护形式,包括素喷、锚杆、锚喷、锚喷网、锚索、梯子梁及它们的结合,优化设计了支护参数.监测结果表明,巷道在掘进后约20 d围岩位移量趋于平衡,解决了回风巷道无法施工的问题.
로남광업상하광단지질조건차별대,암성번잡,산상변화대,부존규률성차,침대불동지단화구조부위,이충분발휘위암적자신승재능력위절입점,채용묘망분등다충지호형식,포괄소분、묘간、묘분、묘분망、묘색、제자량급타문적결합,우화설계료지호삼수.감측결과표명,항도재굴진후약20 d위암위이량추우평형,해결료회풍항도무법시공적문제.
Shanghe ore section of Lunan Mining has bigger difference in geological condition, complex lithology, large attitude change and poor occurrence regularity as affected by geological structure and lithology. According to different locations and structural part and giving full play to self-bearing capacity of surrounding rock as the breakthrough point, using of various support form, included shotcrete, anchor bolt, anchor spray, anchor net, anchor cable, reinforced beam and their combine, the support parameters were designed and optimized. The monitoring results showed that after tunneling about 20 days the displacement of surrounding rock was tended to balance, saving unable to construct problem for air return tunnel.