Geotechnical aspects of alluvial soils at different depths under sodium chloride action in Najran region, Saudi Arabia: Field supported by laboratory tests
Электронный научный архив УРФУ
Информация об архиве | Просмотр оригинала| Поле | Значение | |
| Заглавие |
Geotechnical aspects of alluvial soils at different depths under sodium chloride action in Najran region, Saudi Arabia: Field supported by laboratory tests
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| Автор |
El, Aal, A. A.
Abdullah, G. M. S. Zakaly, H. M. H. Awad, H. A. Omar, A. E. Sakr, M. A. H. Ene, A. |
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| Тематика |
GEOTECHNICAL ASPECT
SALTS SEMI-ARID SOILS SODIUM CHLORIDE STABILIZATION |
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| Описание |
The current research study is aimed at studying the impact of sodium chloride on the performance of semi-arid soils in the Najran area of Saudi Arabia. Experimental work has been undertaken to investigate how adding salt to the semi-arid soil collected in the Najran area affects the boundaries of Atterberg, compaction characteristics, California bearing ratio, and shear strength. All testing was conducted on soil samples from different zones of the Najran area at varying depths of 1.5, 3, and 4.5 m along the soil profiles. The soil samples were analyzed individually and then compared with the same soil samples mixed with NaCl at different percentages of 5, 10, and 20% by weight of the dry soil. Using advanced techniques, such as the scanning electron microscope, energy dispersive x-ray analysis, and X-ray diffraction analysis, the stabilization process was examined. The findings revealed that NaCl significantly impacts the geotechnical characteristics of semi-arid soils. The maximum dry density increased from 1.995, 1.93, and 1.96 to 2.02, 1.99, and 2.03 g/cm3, and the optimal water content decreased from 9.47, 13.7, and 11.29 to 7.01, 9.58%, and 8.09% with 20% NaCl added at various depths, respectively. Shear resistance parameters were improved by adding 20% NaCl, where the soil cohesion increased from 0.1333, 0.0872, and 0.0533 to 0.1843, 0.1034, and 0.0372 kg/cm2, and the angle of internal friction increased from 24°, 25.5°, and 29° to 27.8°, 30°, and 33°, respectively. The liquid and plastic limits and, in turn, the plasticity index reduced as the added percentage of NaCl increased. Furthermore, the California bearing ratio percentages significantly increased and reached more than 50%. As a result, it is established that NaCl is an excellent stabilizer, especially at 20% concentration, and might be used as a sub-base substance in highway construction. Copyright © 2023 El Aal, Abdullah, Zakaly, Awad, Omar, Sakr and Ene.
Universitatea 'Dunărea de Jos' Galați, UDJG; Ministry of Education and Science of the Russian Federation, Minobrnauka; Najran University, NU: NU/NAR/SERC/11/34 The authors are thankful to the Deanship of Scientific Research at Najran University for funding this work under Najran Region Research Program Funding program grant code (NU/NAR/SERC/11/34). The work of author HZ is funding from the Ministry of Science and Higher Education of the Russian Federation (Ural Federal University Program of Development within the Priority-2030 Program). The work of author AE and APC were financed by Dunarea de Jos University of Galati, Romania. |
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| Дата |
2024-04-05T16:19:33Z
2024-04-05T16:19:33Z 2023 |
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| Тип |
Article
Journal article (info:eu-repo/semantics/article) |info:eu-repo/semantics/publishedVersion |
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| Идентификатор |
El aal, AA, Abdullah, GMS, Zakaly, HMH, Awad, HA, Omar, AE, Sakr, MAH & Ene, A 2023, 'Geotechnical aspects of alluvial soils at different depths under sodium chloride action in Najran region, Saudi Arabia: Field supported by laboratory tests', Frontiers in Environmental Science, Том. 11, 1073718. https://doi.org/10.3389/fenvs.2023.1073718
El aal, A. A., Abdullah, G. M. S., Zakaly, H. M. H., Awad, H. A., Omar, A. E., Sakr, M. A. H., & Ene, A. (2023). Geotechnical aspects of alluvial soils at different depths under sodium chloride action in Najran region, Saudi Arabia: Field supported by laboratory tests. Frontiers in Environmental Science, 11, [1073718]. https://doi.org/10.3389/fenvs.2023.1073718 2296-665X Final All Open Access, Gold https://www.scopus.com/inward/record.uri?eid=2-s2.0-85152527416&doi=10.3389%2ffenvs.2023.1073718&partnerID=40&md5=1ee885dd713575ca00712452ae0e2ec8 https://www.frontiersin.org/articles/10.3389/fenvs.2023.1073718/pdf http://elar.urfu.ru/handle/10995/130388 10.3389/fenvs.2023.1073718 85152527416 000962298900001 |
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| Язык |
en
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| Права |
Open access (info:eu-repo/semantics/openAccess)
cc-by https://creativecommons.org/licenses/by/4.0/ |
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| Формат |
application/pdf
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| Издатель |
Frontiers Media S.A.
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| Источник |
Frontiers in Environmental Science
Frontiers in Environmental Science |
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