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The Influence of the Nature of Plant and Mineral Wastes on Clay Slabs Resistance to Flexion-Traction

Author Affiliations

  • 1Faculté des Sciences et Techniques, Université Marien Ngouabi, BP 69, Brazzaville – Congo, Groupe de Recherches sur les Propriétés Physico-chimiques et Mécaniques des Matériaux et Biomatériaux, Université Marien Ngouabi, BP 69, Brazzaville – Congo and Laboratoire de chimie minérale appliquée, Université Marien Ngouabi, BP 69, Brazzaville – Congo
  • 2Faculté des Sciences et Techniques, Université Marien Ngouabi, BP 69, Brazzaville – Congo and Centre de Recherches Géologiques et Minières, Congo
  • 3Faculté des Sciences et Techniques, Université Marien Ngouabi, BP 69, Brazzaville – Congo, Groupe de Recherches sur les Propriétés Physico-chimiques et Mécaniques des Matériaux et Biomatériaux, Université Marien Ngouabi, BP 69, Brazzaville – Congo and Centre de Recherches Géologiques et Minières, Congo
  • 4Faculté des Sciences et Techniques, Université Marien Ngouabi, BP 69, Brazzaville – Congo

Res. J. Material Sci., Volume 4, Issue (9), Pages 1-5, November,16 (2016)

Abstract

The influence of the nature of the sand (crushed and white) and of the types of wood (limba and kambala) sawdust on the resistance of baked clay slabs to flexion was analyzed in the Present study. The chemical composition of the various samples was determined by Inductively Coupled Plasma- Optic Emission Spectrometry (ICP-OES). The best resistance to flexion - traction was achieved in the sample « clay stabilized at 4% of cement blended with 4% of kambala sawdust and 10% of white sand ». The minimal resistance to flexion - traction enabled us to list these brick slabs in the T2 category. The results achieved showed a predominance of SiO2 in all the samples we analyzed, a predominance of Al2O3 in the raw clay and an important amount of K2O in the crushed sand.

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