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Research Article Open access CC BY 4.0

Thermomechanical Characterisation of Compressed Earth Blocks Added with Sawdust

Chakirou Akanho Toukourou, Guy Clarence Sèmassou, Clément Ahouannou, Sèfiou Avamasse, Antoine Vianou, Gérard Degan

Physical Science International Journal · pp. 1–9 · Published 1 Dec 2016

10.9734/PSIJ/2016/29393

Abstract

The study of mechanical resistances twined to standards dispositions allows keeping a composition of CEB measured out 10% of cement and 2% of Tectona grandis sawdust. This composite material offers a higher strength compared to the one obtained with Afzelia sawdust. The method of asymmetric hot plan has been used to determine the thermal conductivity of the material and deduct the thermal parameter such as the diffusivity, the effusivity and calorific capacity. This method proceeds by a quadripolar modelisation 1D and allows to represent with a good precision the temperature in the center of a drill linked to the studied samples. The results that are obtained have shown that the addition of sawdust to the ordinary compressed earth blocks has clearly improved isolation performances of the final composite material.

Compressed earth block sawdust mechanical resistance thermal parameters

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