Influence of Iroko and Sapelli sawdust mixture on physical properties of compressed earth bricks (CEB).

This article analyzes the influence of the mixture of Iroko and Sapelli sawdust on the physical properties of compressed earth bricks ( CEB ). Different compositions were tested for 15% sawdust that included a blend of two wood species (Iroko and Sapelli) in different ratios. 8% cement or slaked lime was used to stabilize the earth+sawdust mixture. The physical properties studied were: maximum dry density, capillary absorption, total absorption, air shrinkage and air mass loss. The results showed that the studied properties vary with the composition of the sawdust mixture. However, the percentage of the species with the highest density (Sapilli) in the sawdust mixture does not systematically change in the same way as these physical characteristics..