air leakage in gob area 采空区漏风
coal gob area 煤层采空区
fill gob area 充填采空区
near gob area 近采空区
double gob area 双层空区
coalmine gob area 煤炭采空区
magnetite gob area 磁铁矿采空区
Overburden gob area 上覆采空区
With the help of classical sheet theory in elasticity mechanics, deformation and failure law of main roof is analyzed when the gob area is packed and not packed.
应用弹性狭长薄板理论，分析了采空区在充填和未充填两种条件下，顶板的变形破坏规律，影响因素。
参考来源 - 急斜特厚煤层开采围岩与覆盖层破坏规律研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Practices demonstrate that the method is an effective means to detect geologic anomaly bodies of metal ore body and small mine gob area.
实践证明，瞬变电磁法是探测金属矿体、小窑采空区等地质异常体的一种有效手段。
At last, the effectiveness of using integrated geophysical methods to the coal mine gob area survey with specific engineering exploration is proved.
最终，结合具体工程勘查实践，证明了在煤层采空区勘查中采用综合地球物理勘查技术的有效性。
Some problems of bore grouting engineering for coal gob area are discussed in this paper.
文章对煤矿采空区治理工程中的钻孔注浆问题进行了讨论。
应用推荐