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Propriétés du béton armé avec des fibres de plantain
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ISBN10: 6208697603
ISBN13: 9786208697600
Publisher: Editions Notre Savoir
Published: Feb 28 2025
Pages: 88
Weight: 0.28
Height: 0.21 Width: 6.00 Depth: 9.00
Language: French
ISBN13: 9786208697600
Publisher: Editions Notre Savoir
Published: Feb 28 2025
Pages: 88
Weight: 0.28
Height: 0.21 Width: 6.00 Depth: 9.00
Language: French
Cette recherche décrit l'étude expérimentale des propriétés du béton renforcé par des composites à base de fibres de plantain (PBF). Une proportion de mélange de 1:1.5:3 avec quatre fractions différentes de PBF, à savoir: 0,00 %, 0,25 %, 0,50 % et 0,75 % en poids de ciment et trois rapports eau-ciment différents de 0,45, 0,50 et 0,55. Un rapport d'aspect de 100 a été utilisé pour tous les mélanges. 100 cubes de 150 mm x 150 mm x 150 mm et 100 cylindres d'un diamètre de 100 mm et d'une hauteur de 200 mm ont été coulés. Les essais réalisés ont porté sur la densité, la résistance à la compression, la résistance à la traction par fendage et la ténacité. La densité de l'échantillon de contrôle était de 2635kg/m3. La densité a diminué de 2,28 % lorsque l'on a ajouté 0,75 % de fibres. En général, l'ajout de fibres a eu un effet négatif sur la densité. Cela peut être attribué au fait que les fibres, qui ont un poids plus léger, remplacent la matrice de ciment du béton, d'où une densité plus faible. Une tendance similaire a été enregistrée pour la résistance à la compression. L'échantillon de contrôle a enregistré la résistance à la compression la plus élevée d'environ 41.08MPa parmi les bétons renforcés de fibres. Cependant, l'ajout de fibres améliore la résistance à la traction par fendage. La résistance à la traction de l'éprouvette de contrôle était de 3,21 MPa.
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