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[ Article ] Elaboration of a Cement Matrix Composite, Improved with the Pozzolan of Rice Husk Ash, Reinforced with Sugar Cane Bagasse Fibers

Date de soumission: 19-01-2021
Année de Publication: 2020
Entité/Laboratoire Laboratroire d'Energétique et de Mécanique Appliquée (LEMA)
Document type : Article
Discipline(s) : Sciences des Matériaux & Ingénierie
Titre Elaboration of a Cement Matrix Composite, Improved with the Pozzolan of Rice Husk Ash, Reinforced with Sugar Cane Bagasse Fibers
Auteurs Acodji Pamphile [1], Olodo T. Emmanuel [2], DOKO KOUANDETÉ VALERY [3],
Journal: International Journal of Research and Review
Catégorie Journal: Internationale
Impact factor:
Volume Journal: 7
DOI:
Resume In this work it’s developed a multifunctional eco-material based on short fibers of sugar cane with a cement matrix improved with the rice husk pozzolana. The properties of the sand were analyzed by particle size, fineness modulus and sand equivalence tests. The rice husk pozzolan was obtained by calcination at 600 ° C, the temperature at which the fire loss becomes constant, until calcination of the ash, which was determined by Thermogravimetric Analysis. The characterization of the ash was determined by the X-ray Diffraction and Fluorexence X tests to obtain its mineralogical constituents, in particular the silica content of 98.78%, in preponderance which had characterized its pozzolanicity. The pozzolanic activity of 0.71 was in the active range of 0.67 to 1. The composite material was tested for maneuverability with a water / cement ratio E = 0.7. Substitution of the sand by sugarcane fibers, up to a rate of 5%, had improved the behavior in compression, in bending, which were tested by the 3-point bending test, combining good mechanical properties in compression of resistance of 4.82 MPa, in flexion of 28.83 MPa, ductile and very light for its use to reduce the weight of the structures and fight against global warming, due to the quantity of cement less, source of production of significant quantities of polluting CO2.
Mots clés eco-material; matrix; maneuverability; fibers, mechanical; compression; resistance
Pages 263 - 270
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