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Experimental investigations on the physical and mechanical properties of a lightweight concrete using oil palm shell as coarse aggregate

Traore Yasmine Binta, Messan Adamah, Hannawi Kinda, Gérard Jean, Prince-Agbodjan William, Tsobnang François. 2017. Experimental investigations on the physical and mechanical properties of a lightweight concrete using oil palm shell as coarse aggregate. Journal of Materials Science and Engineering. A, 7 (3) : pp. 157-168.

Journal article ; Article de recherche ; Article de revue à comité de lecture Revue en libre accès total
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Abstract : Oil palm shell is an interesting organic material that can be used as aggregate for concrete. It can help mitigate the environmental problems caused by the concrete industry. We intend to contribute to the knowledge of OPS (oil palm shells) concrete studying the physical mechanic and thermal behavior. Then, this paper presents the results of investigations carried out on the effects of replacing by volume, CGA (crushed granite aggregate) in concrete with OPS. Then, the dry density, apparent porosity, water absorption, electrical resistivity, thermal parameters, flexural strength, compressive strength and static elastic modulus are investigated. Microscopic analysis with an SEM (scanning electron microscopic) is also conducted. The results show that replacing crushed granite aggregate by OPS, increases the apparent porosity of concrete. This makes the concrete lighter and the concrete mechanical strengths lower. SEM analysis indicates that these decreases may be the consequence of a bad bond existing between the cement paste and OPS aggregate. Though, the compressive strength of OPS concrete which is 28 days old is acceptable for structural concrete. OPS concrete is more ductile and has a better thermal behavior compared to CGA concrete. (Résumé d'auteur)

Mots-clés Agrovoc : Elaeis guineensis, Coque, Béton, Utilisation des déchets, Produit forestier non ligneux, Propriété physicochimique, Propriété technologique, Propriété magnétique, Propriété thermique, matériau, Innovation

Mots-clés complémentaires : Matériau composite, Essai technologique

Mots-clés libres : Biosourced aggregate, Lightweight concrete, Physical-mechanical properties, Thermal properties

Classification Agris : K50 - Processing of forest products
000 - Other themes

Champ stratégique Cirad : Axe 2 (2014-2018) - Valorisation de la biomasse

Auteurs et affiliations

  • Traore Yasmine Binta, CIRAD-PERSYST-UPR BioWooEB (FRA)
  • Messan Adamah, 2IE (BFA)
  • Hannawi Kinda, INSA de Rennes (FRA)
  • Gérard Jean, CIRAD-PERSYST-UPR BioWooEB (FRA) ORCID: 0000-0002-5005-8636
  • Prince-Agbodjan William, INSA de Rennes (FRA)
  • Tsobnang François, 2IE (BFA)

Source : Cirad-Agritrop (https://agritrop.cirad.fr/585004/)

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