Recueil de mécanique
Volume 7, Numéro 1, Pages 684-690
2025-02-24
Date Palm Fibres' Impact On The Shrinkage And Capillary Water Absorption Of Cement-stabilised Earth Concrete
Authors : Himouri Khedidja . Guettatfi Lamia . Hamouine Abdelmadjid .
Abstract
Shrinkage and capillary water absorption present significant challenges to the durability of earthen buildings, undermining their structural integrity and longevity. Capillary absorption allows the soil to draw in moisture, while shrinkage leads to microcracks that weaken cohesion. These fissures create pathways for moisture ingress, exacerbating damage through repetitive cycles of expansion and contraction and further weakening the internal bonds. Thus, effective stabilisation and reinforcement using natural fibres are essential for enhancing durability and resilience. This research investigates the changes in the behaviour of cement-stabilised earth concrete concerning shrinkage and capillary water absorption, based on varying contents of date palm fibres. The main results reveal that while the incorporation of fibres positively affects shrinkage by reducing its levels, it simultaneously exhibits a negative impact on capillary water absorption by increasing the water intake of the samples, thus presenting a complex interplay between the benefits and drawbacks of fibre reinforcement.
Keywords
Date palm fibres ; Cement-stabilised earth concrete ; Shrinkage ; Capillary water absorption
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