Improving the properties of clay soils in foundationsthrough compaction and the integration of fibres and cement

• Autorzy: Fidjah Abdelkader , Mohamed Rabehi , Kezrane Cheikh , Bendeb Asma , Smain Nour Elhouda , Khalili Rachid

Identyfikatory

DOI

10.35784/bud-arch.6232

Warianty tytułu

PL

Poprawa właściwości gruntów gliniastych w fundamentach poprzez zagęszczanie i integrację włókien i cementu

• Języki publikacji: EN

Abstrakty

EN

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.

PL

Gleby gliniaste, ze względu na podatność na pęcznienie i kurczenie, stanowią poważne wyzwanie w zastosowaniach inżynieryjnych, szczególnie w projektowaniu i budowie fundamentów. Niniejsze badania oparte na kompleksowej serii testów, przeprowadzonych w Laboratorium Robót Publicznych w Adrar w południowej Algierii, dotyczą wzmocnienia gruntów gliniastych poprzez włączenie włókien, zagęszczenie i użycie cementu. Zgodne ze standardami technicznymi w zakresie mechaniki gleby testy badały właściwości fizyczne, mechaniczne i termiczne gleby gliniastej. Wyniki wykazały, że zastosowanie wytrzymałości na ściskanie 2,5 MPa i włączenie włókien palmowych i szklanych w proporcjach od 0% do 0,3% zmniejszyło gęstość nasypową o 0,95% do 7%. Kapilarny współczynnik absorpcji wody wzrósł o 10,61% do 12,63%, podczas gdy wytrzymałość na ściskanie poprawiła się o 11,4% do 34,37%. Ponadto przewodność cieplna spadła o 0,71% do 11,9%. Wyniki te dostarczają cennych informacji na temat właściwości gleb gliniastych i zaobserwowanych ulepszeń. Można stwierdzić, że wzmocnienie gleby za pomocą różnych materiałów i włókien jest wykonalne i przynosi pozytywne rezultaty w zastosowaniach geotechnicznych.

Słowa kluczowe

EN

compact earth block; compressive strength; fibres; physical and mechanical properties; thermal properties

PL

sprasowany blok ziemny; wytrzymałość na ściskanie; włókna; właściwości fizyczne i mechaniczne; właściwości termiczne

• Wydawca: Wydawnictwo Politechniki Lubelskiej
• Czasopismo: Budownictwo i Architektura
• Rocznik: 2024
• Tom: Vol. 23, no. 4
• Strony: 129--149
• Opis fizyczny: Bibliogr. 56 poz., fig., tab.

Twórcy

autor

Fidjah Abdelkader

• Laboratory of Development in Mechanics and Materials (LDMM); University of Djelfa

autor

Mohamed Rabehi

• Civil Engineering Department; University of Djelfa

• https://orcid.org/0000-0002-3094-1720

autor

Kezrane Cheikh

• Laboratory of Development in Mechanics and Materials (LDMM); University of Djelfa

autor

Bendeb Asma

• Process Engineering Lab Laghouat; University Algeria

• https://orcid.org/0009-0007-7297-2174

autor

Smain Nour Elhouda

• Faculty of Engineering; Djelfa University

autor

Khalili Rachid

• Laboratory of Paleontology, Stratigraphy and Paleo Environments; Faculty of Earth Sciences and Universe; University of Oran

• https://orcid.org/0000-0002-2434-8058

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Uwagi

Opracowanie rekordu ze środków MNiSW, umowa nr POPUL/SP/0154/2024/02 w ramach programu "Społeczna odpowiedzialność nauki II" - moduł: Popularyzacja nauki (2025).