Improving the properties of clay soils in foundations through compaction and the integration of fibres and cement
Abdelkader Fidjah
fidjah.abdelkader@gmail.comLaboratory of Development in Mechanics and Materials (LDMM); University of Djelfa; (Algeria)
Mohamed Rabehi
Civil Engineering Department; University of Djelfa; (Algeria)
https://orcid.org/0000-0002-3094-1720
Cheikh Kezrane
Laboratory of Development in Mechanics and Materials (LDMM); University of Djelfa; (Algeria)
Asma Bendeb
Process Engineering Lab Laghouat; University Algeria; (Algeria)
https://orcid.org/0009-0007-7297-2174
Nour Elhouda Smain
Faculty of Engineering; Djelfa University; (Algeria)
Rachid Khalili
Laboratory of Paleontology, Stratigraphy and Paleo Environments; Faculty of Earth Sciences and Universe; University of Oran; (Algeria)
https://orcid.org/0000-0002-2434-8058
Abstract
Clay soils present significant challenges in engineering applications, particularly in the design and construction of foundations, due to their susceptibility to swelling and shrinkage. This research investigates the enhancement of clay soils through the incorporation of fibres, compaction, and cement, based on a comprehensive series of tests conducted at the Public Works Laboratory in Adrar, southern Algeria. The tests adhered strictly to technical standards in soil mechanics, examining the physical, mechanical, and thermal properties of the clay soil. The results demonstrated that applying a compressive strength of 2.5 MPa and incorporating palm and glass fibres in proportions ranging from 0% to 0.3% reduced bulk density by 0.95% to 7%. The capillary water absorption rate increased by 10.61% to 12.63%, while compressive strength improved by 11.4% to 34.37%. Furthermore, thermal conductivity decreased by 0.71% to 11.9%. These findings provide valuable insights into the properties of clay soils and the observed improvements. It can be concluded that soil enhancement through various materials and fibres is viable and yields positive outcomes in geotechnical applications.
Supporting Agencies
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Authors
Abdelkader Fidjahfidjah.abdelkader@gmail.com
Laboratory of Development in Mechanics and Materials (LDMM); University of Djelfa; Algeria
Authors
Mohamed RabehiCivil Engineering Department; University of Djelfa; Algeria
https://orcid.org/0000-0002-3094-1720
Authors
Cheikh KezraneLaboratory of Development in Mechanics and Materials (LDMM); University of Djelfa; Algeria
Authors
Asma BendebProcess Engineering Lab Laghouat; University Algeria; Algeria
https://orcid.org/0009-0007-7297-2174
Authors
Nour Elhouda SmainFaculty of Engineering; Djelfa University; Algeria
Authors
Rachid KhaliliLaboratory of Paleontology, Stratigraphy and Paleo Environments; Faculty of Earth Sciences and Universe; University of Oran; Algeria
https://orcid.org/0000-0002-2434-8058
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