矿山巷道，对埋藏较深或露天矿开采到一定深度时，就要用地下开采的方法。此时，就需在地表与矿体之间钻凿出各种通路
研究了地应力在矿山巷道及开采设计中的应用。
Finally, the application of ground stress field in mining planning and design has been briefly discussed.
结果表明本文提出的矿山巷道三维建模方法是可行的。
It is shown that the method of 3d tunnel modeling which is applied to in this paper is valid.
本文根据岩溶区勘探钻孔和矿山巷道资料说明河谷深部溶洞分布的成层性。
This paper deals with the phenomenon of layering in the distribution of deep karsts according to the information from the prospecting boreholes and mining excavation in karst areas.
应用推荐