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通过对锚杆支护机理的分析 ,结合五矿实际 ,确定了三软煤层大断面巷道锚网支护参数 ,实践证明技术先进 ,经济效益和社会效益显著
Through the analysis of the bolt supporting mechanism and the actual situation of Minmetals, the parameters of bolting with wire mesh in large-section roadways with soft roof, soft coal and soft floor have been determined. The practice proves that the technology is advanced, and the economic and social benefits are significant