The move crevasse superimposes mutually and constitutes the complex underground crevasse network, which are produced by geologic structure crevasse in Fuxin Basin and mining coal.

盆地内地质构造断裂和采煤活动中产生的采动断裂互相叠加，构成了十分复杂的地下断裂网络。

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In this paper, the research is carried out deeply aimed at the problems of the structure parameters of underground stope for transition from open pit to underground Mining in Shirengou Iron Mine.

针对石人沟铁矿露天转地下过渡期开采I区地下采场结构参数问题展开了深入研究。

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This paper presents a new approach to obtain the optimal opening structure of underground mining method by genetic programming.

提出用遗传规划优化地下采矿方法巷道布置的新方法。

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