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对地下水位变动引起风化软岩的浸水沉降机理进行了理论分析和试验研究。提出了用加、卸载剪胀系数描述地下水位变动引起沉降的简明方程式。通过试验 ,验证了在砂岩中混入适量粘性土可以有效地减轻浸水沉降的方法。
The mechanism of soaking and sedimentation of weathered soft rock caused by groundwater level fluctuation is theoretically analyzed and experimentally studied. A concise equation describing the settlement caused by the fluctuation of groundwater level is proposed by adding and unloading dilatancy coefficients. Through the experiment, it is verified that the method of mixing the appropriate amount of clay in sandstone can effectively reduce the submergence settlement.