Numerical analysis implies that the miningmethod is an effective method to protect the surface in exploiting the high-value deposits.
数值分析结果表明,该采矿方法对高价值矿体开采时的地表保护是一种行之有效的方法。
2
On the basis of probability integration method for flat coal seam, the paper discusses surface subsidence random medium model for mining inclined seams with an Angle of a.
在水平煤层概率积分法的基础上,讨论了开采倾角为口的倾斜煤层的地表下沉随机介质模型。
3
Quantitative analysis of the surface movement induced by mining of underground useful deposit should be made based on the reliable data obtained by using the probability statistics method.