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This study examines the performance of Compressed Earth Blocks (CEBs) stabilized with Grewia Bicolor Bark Powder (GBBP) and Ordinary Portland Cement (OPC). The research aims to evaluate the physical, mechanical and durability performances of these CEBs to determine their suitability for sustainable construction practices. The experimental procedures involved categorizing GBBP and formulating CEB samples with 2% OPC and different percentages of GBBP from 0 to 6% in 2% steps. The results demonstrate a significant improvement in compressive strength of up to 33.74% compared to typical CEBs containing 2% OPC. The dry density of the blocks decreased after 2% GBBP, but the water absorption increased with increasing GBBP content, making the blocks unsuitable for use in constantly humid environments. Adding 2% GBBP improved the erosion resistance of the blocks by 4.7 times, and this increased with increasing GBBP content. Blocks stabilized with 2% OPC and 2% GBBP have been shown to perform optimally, achieving better mechanical, durability and physical properties. The results indicated that GBBP can be used as a stabilizer with low cement content to obtain earth blocks, contributing to sustainable and environmentally friendly construction materials.
Yamadjako et al. (Thu,) studied this question.
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