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本文采用有限单元法计算了某地下矿山四种不同断面形状的巷道围岩的二次应力分布状态。在判断最优巷道断面时,采用了Fuzzy数学的贴近度理论,这种新理论为矿山定性与定量相结合选取最佳巷道断面提供了一种有效的方法。
In this paper, the finite element method is used to calculate the secondary stress distribution of roadway surrounding rocks with four different cross-section shapes in an underground mine. When judging the optimal roadway section, the closeness theory of fuzzy mathematics is adopted. This new theory provides an effective method for the combination of qualitative and quantitative mining to select the best roadway section.