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Loess Stability in Mining Subsidence Area Considering Drying Shrinkage Cracks on Ground
Author(s): 
Pages: 25-26
Year: Issue:  11
Journal: SAFETY IN COAL MINES

Keyword:  非饱和土弹性理论干燥裂缝黄土稳定性;
Abstract: 根据弹性理论,应用非饱和土的双应力状态变量表示方法和饱和度与基质吸力之间的关系,建立了非饱和土在考虑基质吸力时黄土不同厚度下失稳区域半径的计算公式.随着黄土厚度的增加,黄土的失稳半径在增大,干燥裂缝处更容易出现采动裂缝,地表出现的裂缝往往是二者的综合作用结果.
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