A Survey on the Relationships between Compression Index, Coefficient of Consolidation, and Atterberg Limits

Year 2022, Volume: 7 Issue: 4, 302 - 315, 30.12.2022

Kaveh Dehghanıan , Sirin Ozkan Ipek

https://doi.org/10.47481/jscmt.1161504

Cited By: 2

Abstract

Correlations between compression index and atterberg limits found in the literature are very important for preliminary estimation. These equations are usually interpreted based on the R-square parameter and classified according to the conditions of the data (disturbed, undisturbed, remoulded, etc.). Although correlations reliable enough to eliminate oedometer tests are not yet fully available, these correlations can be useful in local calculations. In this study, correlations obtained from studies conducted after 2000 on the relationship of compression index and consolidation coefficient with atterberg limits and water content are mentioned and clearly shown. While the compression index equations are quite high in the literature, the equations produced with the consolidation coefficient are less in number. This is because consolidation calculations take a lot of time. Using 105 data obtained from researches in the literature, two equations were formed between the compression index, liquid limit and plasticity index. This study does not propose new equations, only relationships are generated using the Linear Regression method with data obtained from independent studies, based on the belief that the compression index has a stronger relationship with the liquid limit and plasticity index

Keywords

Compression Index, Atterberg Limits, Coefficient of Consolidation

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