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Experimental Study on the effect of Wood Sawdust and sand on the Clay Slabs Resistance to Compression

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Author Affiliations

  • 1Faculté des Sciences et Techniques, Université Marien Ngouabi, BP 69, Brazzaville – Congo and 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 and 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
  • 4Ecole Nationale Supérieure Polytechnique, Université de Yaoundé 1, Yaoundé – Cameroun

Res. J. Engineering Sci., Volume 5, Issue (11), Pages 13-16, November,26 (2016)

Abstract

In this study, we manufactured clay slabs mixed with wood sawdust ignited at 1050 °C. We used two species of wood and sand: the limba and the kambala on the one hand and on the other hand the crushed sand and the white one. Diffraction by X-Ray allowed to determine the mineralogical composition of the clay material and showed that its clayey fraction is mainly made of 95% of kaolinite and 5% of smectite and /or interstratified chlorite/smectite. Mechanical tests lead to the determination of the slabs resistance to compression. The achieved results showed that for the best resistances to compression were obtained for the combinations (clay stabilized at 4% of cement mixed with 4% of kambala sawdust and 5% of white sand and clay stabilized at 4% of cement mixed with 4% of limba sawdust and 5% of crushed sand).

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