<紀要論文>
Effect of Salt Concentrations on the Hydraulic conductivity of the MIxtures of Basalt soil and various Bentonites

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概要 The present paper describes the influence of the various concentrations of NaCl and CaCl2 on hydraulic conductivity of the mixture of basalt soil and four different bentonites in the proportion of 100...:20 by dry weight. The comparison of hydraulic conductivity (k) for a given salt solution on a particular soil mixture shows that the k decreased with decreasing the salt concentration. The decrease in k with a decrease in salt concentration can be attributed to increase in diffuse double compared to the monovalent cation. However at 1mol(c)/L concentration almost an equal value of k was observed. With increasing the salt concentration from 0 to 0.1mol(c)/L, the k changed significantly which was more prominent for the sample with CaCl2 solution. The results show that for the particular salt concentration mixture with higher liquid limit exhibited a lower k. However with increasing the salt concentratin, the liquid limit converged and also the k.続きを見る

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登録日 2009.04.22
更新日 2017.02.07