Inversion Analysis of Vertical Permeability Coefficient of Silty Clay Layer in Jinan Area
In order to study the vertical permeability coefficient of the powdery clay layer in Jinan area,this paper relies on a foundation pit dewatering project of Jinan Rail Transit Line 3,uses precipitation test operation parameters to invert and simulate the permeability parameters of the geological strata,and obtains the permeability param-eters of the main soil layer,the silty clay layer,within the excavation range.According to the simulation inver-sion calculation,the permeability of the silty clay layer in this area is much higher than the parameters provid-ed in the survey report.
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