WITHDRAWN: Effects of tyre rubber fibre and glass fibre on physical and mechanical properties of compressed earth block (C.E.B) based on local materials

Abstract

Abstract One of the solutions to reduce the costs of construction and the consumption of energy in heating and air conditioning is the use of fibres to install Compressed Earth Blocks (CEB). The main purpose of this work is to study the effect of using the scrap tyre rubber fibre (TRF) and glass fibre (GF) on the behavior of the CEB blocks. In this experimental study, the TRF and GF contents were varied at 0%, 0.05%, 0.1%, 0.15%, 0.20%, 0.25% and 0.30% (by weight of dried CEB). The soil, dune sand and lime contents were fixed at 58%, 30% and 12% respectively. The obtained mixtures were then compacted at 2.5MPa and 5MPa. The results demonstrate that the cure conditions, compaction pressure and fibre content have a great influence on the physical and mechanical properties of CEB. The existence of TRF and GF fibres in the CEB has a positive impact on the mechanical behavior by increasing its ductility compared to the mixture without fibers. This study also showed that the cure and compaction have a significant effect on the various characteristics studied. Furthermore, the obtained results allowed highlighting the beneficial effect of the fibres. Fiber reinforced lime-based CEB with optimal content of fibres were found to be much more durable and hard than unreinforced blocks, which is desirable in many construction applications.