A self-contained forecast model of mining subsidence is obtained,that is,the subsidence of surface is equal to direct model of mining plus additional concretion subsidence model plus addit.

• 通过研究获得了一个完备的开采沉陷预计模型,即地表沉陷=开采直接影响模型+附加固结沉陷模型+附加流动沉陷模型;获得了地表裂缝深度和宽度的估算公式。