结合离石区某煤矿的工程地质条件以及场地的采煤情况，探讨了场地采空区的基本特征，对采空区地基“活化”进行了分析，通过临界开采深度法、建筑物荷载影响深度计算法，评价了采空区地基的稳定性，为采空区的后期治理提供了依据。%Combining with an Lishi mine engineering geology conditions and minding conditions, the paper explores basic mined-out area fea-tures, analyzes the mined-out foundation activity, and evaluates the mined-out area foundation stability with critical mining depth and building load influencing depth calculation method, which has provided some guidance for post mined-out area treatment.
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