Correlations Between Index Tests and Compressibility of Egyptian Clays

Abdrabbo, F. M.; Mahmoud, M. A.

doi:10.3208/sandf1972.30.2_128

Cited by 20 publications

(2 citation statements)

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“…Thus, empirical correlations can provide fast and cost-effective means of parameter estimation using simple tests [4]. Most of these correlations were derived from data fitting of measurements at specific site conditions that may cause large deviation if used for other sites [5]- [7].…”

Section: Introductionmentioning

confidence: 99%

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Statistical Evaluation of Geotechnical Correlations

Daoud

Kasama²,

Saleh

et al. 2016

geomate

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Geotechnical correlations are widely used because it can provide fast and cost-effective means of parameter estimation using simple tests. Most of the current correlations were derived from data fitting of measurements for specific site conditions and need to be evaluated before used in other sites. During the correlation development, the deviation of the correlation from the measured values was evaluated using simple statistical measures. A better method of correlation evaluation may reduce the overall deviation of the geotechnical parameter. Amended Theil Inequality Coefficient (ATIC) is proposed as an evaluation tool because it has the advantage that it considers both position and trend conformities between observed and correlated values. To address the efficiency and rationality of ATIC, evaluation of, 92 compression index correlations by ATIC and different statistical measures was carried out. Comparison between the results showed that ATIC is efficient in assessing the best and worst correlations and it can be considered a good tool for correlations evaluation.

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Section: Introductionmentioning

confidence: 99%

“…During the correlation development, the deviation of the correlation from the measured values was evaluated using simple statistical measures such as correlation coefficient (R) and determination coefficient (R 2 ) [5]- [11]. Better statistical evaluation may reduce the overall deviation of the estimated geotechnical parameter.…”

Section: Introductionmentioning

confidence: 99%