Based on the different roles of different rock stratums in roadway control,the actions of the key rock beam and the prestressed load-bearing frame were researched by numerical simulation.
根据不同层位岩层在巷道控制中的不同角色,采用数值模拟研究了巷道围岩外层关键岩梁与内层预应力承载结构的作用。
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