In this paper, based on the theory of extenics, the matter-element model for the stability evaluation of stope roof of the underground mine is established and the stability of No. 92 orebody in TongKeng mine of DaChang is evaluated.

• 利用该理论建立了地下矿山采场顶板稳定性评价的物元模型，对大厂铜坑矿92号矿体实际采场顶板稳定性进行了评价。