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Empirical Compressibility Index Equations for Artificial Remolded Clay Mixtures
Arabian Journal for Science and Engineering ( IF 2.6 ) Pub Date : 2021-04-15 , DOI: 10.1007/s13369-021-05629-0
Tugba Eskisar

A series of one-dimensional consolidation tests was conducted on reconstituted soil mixtures with different mineral compositions. Test groups were prepared by mixing various proportions of kaolinite, quartz, and montmorillonite in which the initial water contents were equal to the liquid limits of the soils. The focus was on the compression behavior of reconstituted clay mixtures, including the rarely reported triple mixtures, as well as establishing a link between the liquid limit and the clay mineral ratio of the specimens. The intrinsic compression indexes of the soils were highly dependent on the composition of the soils and the initial water contents. New equations were proposed to estimate the compression index based on the clay mineral content, liquid limit, plasticity index, and initial void ratio. A triangular chart was proposed to estimate the compression indexes of reconstituted soils. A simple way to determine the virgin compression lines of reconstituted specimens is described.



中文翻译:

人工重塑粘土混合物的经验压缩指数方程

对具有不同矿物成分的再生土壤混合物进行了一系列的一维固结测试。通过混合不同比例的高岭石,石英和蒙脱石来制备测试组,其中初始水含量等于土壤的液体极限。重点是重构的粘土混合物的压缩行为,包括鲜有报道的三重混合物,以及在液体极限和试样的粘土矿物比率之间建立联系。土壤的固有压缩指数高度依赖于土壤的组成和初始含水量。根据粘土矿物含量,液体极限,可塑性指数和初始空隙率,提出了新的方程式来估算压缩指数。提出了三角图来估计再生土的压缩指数。描述了一种确定重构样本原始压缩线的简单方法。

更新日期:2021-04-15
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