The existence of the underground mined-out areas poses a grave threat to the safety of ground buildings.
地下采空区的存在严重威胁着地面建筑物和矿山的安全。
A new synthetic assessment method based on the analytical hierarchy process (AHP) and grey correlation method was put forward to evaluate the stability of the underground mined-out areas.
为了对地下采空区稳定性进行评价，提出一种基于层次分析法和灰色关联法的综合评价方法。
Based on the actuality of underground mining system in Jiudian gold mine, the mined-out areas were used as assistant air exit and it achieved good result.
根据金山店铁矿张福山矿区平行矿体的赋存特点，采用物理相似模拟方法，研究和预测了矿体地下开采过程中地表的沉降和位移规律。
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