Enhancing the performance and durability of eco-friendly mortar with diss fibers (Ampelodesmos mauritanicus) / Assia Abdelouahed in REVUE DES COMPOSITES ET DES MATERIAUX AVANCES, Vol. 33, N° 4 (08/2023)  

[article]  inREVUE DES COMPOSITES ET DES MATERIAUX AVANCES > Vol. 33, N° 4 (08/2023) . - p. 211-226 Titre : Enhancing the performance and durability of eco-friendly mortar with diss fibers (Ampelodesmos mauritanicus) Type de document : texte imprimé Auteurs : Assia Abdelouahed, Auteur ; Chiraz Kechkar, Auteur ; Houria Hebhoub, Auteur ; Mouloud Merzoud, Auteur ; Ghania Boukhatem, Auteur Année de publication : 2023 Article en page(s) : p. 211-226 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Caractérisation Composites Composites à fibres végétales Construction -- Matériaux Durée de vie (Ingénierie) Fibres de diss Granulats Matériaux cimentaires Mortier Index. décimale : 620.13 Matériaux de construction : pierre, ciment, béton, liants de Résumé : This study investigates the potential use of Diss fibers as a sustainable alternative in eco-construction and civil engineering. The research introduced Diss fibers as aggregates, partially replacing conventional sand in mortar by volume with proportions of 1/3 and 2/3, aiming to create an eco-friendly and lighter mortar. In this context, various properties of the fresh mortars, such as density, workability, and occluded air content, were examined. Additionally, the mechanical performance in the hardened state, including compressive and flexural strengths, was evaluated. Durability parameters such as water absorption, capillary absorption, and resistance to aggressive media were also assessed. The results demonstrated that mortars incorporating Diss fibers were lighter and more workable. The inclusion of these fibers enhanced the flexural strength and chemical resistance, as evidenced by the low percentages of mass loss in aggressive solutions such as HCl and CH3COOH. However, the introduction of the fibers negatively influenced the mechanical resistance and water absorption—both by immersion and capillarity—due to the porosity introduced into the composites. Note de contenu : - USED MATERIALS : Sand - Cement - Diss fibers - EXPERIMENTAL PROGRAM - RESULTS AND DISCUSSION : Density - Consistency - Occluded air - Compressive strength - Flexural tensile strength - Water absorption - Capillarity absorption - Chemical attack in aggressive environments - Table 1 : Sand properties - Table 2 : Cement properties - Table 3 : Composition of mixtures DOI : https://doi.org/10.18280/rcma.330402 En ligne : https://www.iieta.org/journals/rcma/paper/10.18280/rcma.330402 Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=40430 [article]

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