sed onthemain factors,the paperproposestwo criteria forthe stability of under the loads:One is critical mining depthofsubsided foundation stabilityat least mining depth with maximum height and building load disturbance largest sum,if,foundation isunstability;if the actual mining depth is morethan the mining critical depth,it will need a second criteria, namely calculateredeformationofthe foundationofsubsidence areaafter loaded,It isable to judge subsided foundation stabilityby satisfing only simultaneously two standard.Thirdly,based on the probability integral method,it erivateof the expected formula foundation redeformation.According to affecting factors of foundation the geological and mining conditions,using the regression 万方数据
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