【摘要】 针对深井大采高孤岛工作面围岩的特点,对两巷支护参数的选取进行了数值模拟,分析了桁架支护结构和小煤柱化学注浆的机理,并提出了深井大采高孤岛工作面两巷综合整体支护原则。更多还原

【Abstract】 According to the characteristic of large mining height island coal face of deep coal mine,this paper simulates the selection of roadway support parameter,analyzes the mechanism of truss support structure and chemical injection,and puts forward the synthesizing support principle of large mining height island coal face of deep coal mine.更多还原