Taking Chenzhuang residential quarter of Pingdingshan Coal Mining Bureau for example, the evaluation method of foundation stability over goaf was systematically studied.

以平顶山矿务局陈庄住宅小区为实例，系统地研究了老采空区上方地基稳定性的评价方法。

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Geological structure, structural plane, rock property, cave shape and groundwater are important factors of qualitative evaluation for cave foundation stability.

地质构造、结构面、岩层、洞体形态、地下水等，是定性评价含溶洞岩石地基稳定性的重要因素。

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The levee classification provides the method and basis for analysis of levee foundation seepage deformation, levee slope stability and segmented evaluation on levee engineering geology.

堤基结构分类为堤基渗透变形、堤坡稳定性分析和堤基工程地质分段评价提供了方法和依据。

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