1 Laboratoire Eco-Matériaux et Habitats Durables (LEMHaD), Institut International d’Ingénierie de l’Eau et de l’Environnement (Institut 2iE), 1 Rue de la Science, 01 BP 594 Ouagadougou 01, Burkina Faso.
2 Département Génie Civil de l’Institut Universitaire de Technologie / Laboratoire de Chimie et Energies Renouvelables (LaCER), Unité de Recherche en Physico‑Chimie et Technologie des Matériaux, Université Nazi BONI, B.P. 1091 Bobo 01, Burkina Faso.
3 Université de Fada N’Gourma (UFDG), Ecole Supérieure d’Ingénierie de Fada (ESI-F), département de Génie Civil, Fada N’Gourma, Burkina Faso.
4 Entreprise Zi Matériaux, Ouagadougou, Burkina Faso.
Research Article
World Journal of Advanced Research and Reviews, 2024, 24(01), 2303–2309
Article DOI: 10.30574/wjarr.2024.24.1.2826
Received on 05 September 2024; revised on 21 October 2024; accepted on 24 October 2024
To meet sustainable development goals, global policies are strongly oriented toward valorizing alternative resources such as local materials and waste from different sectors of activity. This study aims to evaluate the influence of adding rubber aggregates from used/recycled tires (GPU) on the physico-mechanical and durability properties of compressed earth bricks (CEB). The CEB were made with an earthen matrix containing 8% cement, and 0 to 2% mass of GPU. The CEB were cured under ambient conditions (30±5°C) for 28 days. The results showed a real improvement in physical and mechanical performance and durability indicators of CEB with increasing GPU content. The apparent density changed slightly from 1697 kg/m3 to 1733 kg/m3. Total water absorption decreased from 21% to 19% with a slight decrease in water-accessible porosity from 35.7% to 33.1%. The capillary absorption coefficient at 10 minutes also decreased from 14 g/cm2.min1/2 to 10 g/cm2.min1/2 The increase of 29% was noted on the compressive strength in the dry state ranging from 3.5 to 4.5 MPa and of 60% on the compressive strength in the wet state ranging from 1.1 MPa to 1.7 MPa. This resulted in the improvement of the structural efficiency coefficient by 27% ranging from 2080 to 2651 Pa.m3/kg. Abrasion resistance coefficient increased more than 50% ranging from 10.8 to 16.9 cm2/g. By comparing the results to the normative references, the CEB containing GPU can be classified as CEB usable in load-bearing walls in a dry environment and resistant to abrasion.
Earth brick; Rubber aggregate; Physico-mechanical property; Durability indicator; Waste recycling
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Philbert NSHIMIYIMANA, Seick Omar SORE, Nafissatou SAVADOGO, Amadou Seybou DIOFFO, Mahamoudou ZI and Adamah MESSAN. Influence of rubber aggregates from the recycled tires on the physico-mechanical and durability properties of compressed earth blocks. World Journal of Advanced Research and Reviews, 2024, 24(1), 2303-2309. Article DOI: https://doi.org/10.30574/wjarr.2024.24.1.2826