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首页> 外文期刊>Arabian Journal for Science and Engineering >Prediction of Swelling Potential and Pressure in Compacted Clay
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Prediction of Swelling Potential and Pressure in Compacted Clay

机译：压实粘土膨胀势和压力的预测

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摘要

In this study to predict free swelling potential and pressure in compacted clay, simple relationships are proposed. Three different clay samples were prepared with initially at constant dry unit weight and varying water contents and at constant water content and varying dry unit weights by standard compaction. In the experiment part, the free swelling technique was used. Values of free swelling potential and pressure were measured using the oedometer analysis. Analyses were repeated at least two times. To predict free swelling potential and pressure, the multiple regression analyses were performed for the different values of dry unit weight, initial water content and plasticity index of three samples. The proposed relationships and the equations in the literature were compared with the test results of these samples in optimum water content and maximum dry unit weight and of another compacted sample for the known values of the dry unit weight, initial water content, and plasticity index. The comparison was also done with a relation given in the literature. The results found that the estimated values of swelling potential and pressure obtained from the proposed relationships were in consistent with the measured ones.
机译：在这项研究中，预测压实粘土中的自由溶胀潜力和压力，提出了简单的关系。制备了三种不同的粘土样品，首先以恒定的干燥单位重量和变化的水含量以及恒定的水含量和变化的干燥单位重量通过标准压实法制备。在实验部分，使用了自由溶胀技术。使用溶度计分析法测量自由溶胀电位和压力的值。重复分析至少两次。为了预测自由溶胀的潜力和压力，对三个样品的干重，初始含水量和可塑性指数的不同值进行了多元回归分析。将建议的关系式和文献中的方程式与这些样品在最佳含水量和最大干燥单位重量下的测试结果进行了比较，并与另一个压实样品的干燥单位重量，初始含水量和可塑性指标的已知值进行了比较。比较也是通过文献中给出的关系进行的。结果发现，从建议的关系获得的溶胀潜力和压力的估计值与实测值一致。

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