STATISTICAL METHOD FOR ESTIMATING SELECTED GEOTECHNICAL PROPERTIES OF QUATERNARY SEDIMENT

Quaternary sediments have characteristics that distinguish them from older soils. In engineering practice, these sediments are of particular interest to engineering geologists and geotechnical engineers because many engineering constructions have to be founded on, or in, them. This paper describes a method for rapidly estimating selected geotechnical properties of some Quaternary soil from the Mesopotamian Plain using statistical correlation equations. The paper explored an expedient statistical method to estimate some geotechnical properties (including total and dry unit weights, void ratio, porosity, Atterberg limits, and compression index) rapidly without running time-consuming and expensive laboratory tests. It was found that the selected properties showed a relatively moderate to high correlation with independent properties. Both the unit weight and void ratio depicted a high correlation with initial water content. while a moderate correlation existed between compression index and initial water content. Also, the plasticity index has a strong correlation with liquid limit values. The results of this study accord an additional usage as facultative engineering tools for geotechnical engineers to utilize for any preliminary engineering design.

Keywords:

Statistical method, Quaternary soil Geotechnical properties,

PDF

___

M.G. Culshaw, J. C. Cripps, F. G. Bell and C. F. Moon, “Engineering geology of quaternary soils: I. Processes and properties,“ Geological Society, London, Engineering Geology Special Publications, vol. 7, p. 3-38, 1991.
A. J. Al-Taie, D. Al-Jeznawi and N. S. Faraj, “Engineering characterization of quaternary sandy soil in the Mesopotamia Plain, “ International Review of Civil Engineering (IRECE), vol. 12, p. 40-48, 2021, https://doi.org/10.15866/irece.v12i1.18770.
S. Z. Jassim, and J. C. Goff, Geology of Iraq, Dolin, Prague and Morravian Museum, Brno, 2006.
A. J. Al-Taie and B. S. Albusoda, “Earthquake hazard on Iraqi soil: Halabjah earthquake as a case study,” Geodesy and Geodynamics, vol. 10, p.196-204, 2019, https://doi.org/10.1016/j.geog.2019.03.004
A. J. Al-Taie, “Effect of determination method on the liquid limit of quaternary soils,” Civil Engineering Beyond Limits, vol. 3, p. 24-30, 2020, https://doi.org/10.36937/cebel.2020.003.005
G. Philip, “Note on the petrography of the Khabour,” Quartzite. Bul. Coll. Sci., Baghdadi, Iraq, 1967. Z. Kukal and A. Saadallah, "Aeolian admixtures in the sediments of the northern Persian Gulf,” In: B. H. Purser (ed). The Persian Gulf, Springer. Verlag, Berlin, 115-121, 1973.
A. J. Al-Taie, “Practical aid to identify and evaluate plasticity, swelling and collapsibility of the soil encountered in Badrah, Shatra and Nassirya Cities,“ Journal of Engineering And Sustainable Development, vol. 20, p. 38-47, 2016.
R.C. Bellen, H.V. Dunnington, R. Wetzel and D. Morton, "Lexique stratigraphique internal Asie. Iraq,“ Intern. Geol. Conger. Comm. Stratigr, vol. 3, p. 333, 1959.
K. M. Naqib, “Geology of Arabian Peninsula, southeastern Iraq,“ USGS Professional, vol. 560 G., p. 54, 1967. A.A.M. Al-Siddiqi, “ Subsurface geology of southeastern Iraq,“ 10th Arab. Pet. Cong., Paper no. 141 (B-3), 47, 1978, Tripoli- Libya.
A. J. Al-Taie and B. S. Al-Busoda, “An Attempt to relate consolidation properties: A case study in Baghdad cohesive soil,“ International Journal of Advances in Applied Sciences, vol. 2, p. 77-84, 2013.
A. J. Al-Taie, “Profiles and geotechnical properties for some Basra soils,“ Al-Khawarizmi Engineering Journal, vol. 11, p. 74-85, 2015.
A. Albadran and B. Albadran, B., “Geotechnical properties of Khor Al-Zubair and Khor Abdallah sediments, NW of the Arabian Gulf,“ Iraqi J. of Science, vol. 35, p. 729-746, 1994.
A. Al-Marsoumi, M. Kadhum and S. Kadhum, “Some mechanical properties of sandy gypseferous soils in Rumaila Khor Al-Zubair Area, Southern Iraq,“ Marina Mesopotamica, vol. 23, p. 333-347, 2008.
B. S. Al-Busoda and B.S., A. J. Al-Taie, “Statistical estimation of the compressibility of Baghdad cohesive soil,“ Journal of Engineering, vol. 16, p. 5863-5876, 2010.
W. Muttashar, F. Al-Amari and M. Abd Al-Hussein, “Geotechnical analysis for types of surficial fine-grained soils at eastern side of Basra region, Southern Iraq,“ Journal of Thi-Qar University, vol. 7, p. 101-112, 2012.
A. J. Al-Taie, A. Al-Bayati, Z. Taki, “Compression index and compression ratio prediction by artificial neural networks,“ Journal of Engineering, vol. 23, p. 96-106, 2017.
A. J. Al-Taie, A. Al-Bayati, “Application of artificial neural networks to predict soil recompression index and recompression ratio, “ Kufa Journal of Engineering, vol. 9, p. 246-257, 2018.
I. Alkroosh, S. Alzabeebee and A. J. Al-Taie, “Evaluation of the accuracy of commonly used empirical correlations in predicting the compression index of Iraqi fine-grained soils,“ Innovative Infrastructure Solutions, vol. 5, p. 1-10, 2020, https://doi.org/10.1007/s41062-020-00321-y
S. Alzabeebee, Y. Alshkane, A. J. Al-Taie and K. A. Rashed, “Soft computing of the recompression index of fine-grained soils,“ Soft Computing, vol. 25, p. 15297–15312, 2021, https://doi.org/10.1007/s00500-021-06123-3 ASTM, American Society for Testing Materials. ASTM Standards. Volume 04.08, 2003.
M. M. Mustafa, “Mineral resources and industrial deposits in the Mesopotamia Plain,“ Iraqi Bull. Geol. Min., vol. 4, p. 105- 118, 2011.
J. L. Hintze, NCSS Help System. Kaysville, Utah 84037.
D. C. Montgomery and G. C. Runger, Applied statistics and probability for engineers. 6th edition, John Wiley & Sons, 2014.
M. Carter and S. P. Bentley, Soil properties and their correlations. 2nd edition, John Wiley & Sons, Ltd, 2016.