a new method is put forward for stability analysis and evaluation of buildings above goaf by multiscale decomposition using empirical mode decomposition(emd) method.
基于多尺度经验模态分解(emd),提出了老采空区上方地表建筑物稳定性分析及预测新方法。
the deformation characters of the broken rocks are the important factors that affect the roof caving and surface subsidence above goaf in coal mining.