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通过对一起典型案例的分析,初步建立起围岩与支架相互作用的力学模型,并对复合顶板冒顶的机理和前提条件进行了阐述,提出了防治顶板事故的十项措施,促进煤矿安全生产
Through the analysis of a typical case, the mechanical model of the interaction between surrounding rock and support was established initially. The mechanism and prerequisites for the roof collapse of composite roof were described. Ten measures to prevent roof accident were put forward to promote the safety of coal mine production