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Title: Alternative stabilisation method for unfired earth blocks
Authors: Arairo, Wahib 
Daher, Nour El Houda
Bachawati, Makram El 
Absi, Joseph
Saba, Marianne 
Affiliations: Department of Civil Engineering and Construction 
Department of Chemical Engineering 
Department of Civil and Environmental Engineering 
Issue Date: 2023-10-11
Part of: E3S Web of Conferences, Vol. 436
Conference: International Conference on Environmental Design (ICED2023) (4th : 20-22 Oct, 2023 : Athens, Greece)
Clayey soils have been used in the construction of buildings since ancient times. It reduces the building's ecological footprint while improving thermal comfort. Soil is a local material that helps people in temperate regions cope with harsh environmental conditions such as high temperatures. The performance of such materials is determined by the soil's chemical composition and physical properties. The main issue with these materials is their high shrink sensitivity and tendency to crack during drying. These pathologies can result in fundamental mechanical performance degradation. The purpose of this work is to investigate various scenarios for the stabilization of compacted soil blocks. In this context, this research investigates the use of alternatives to cement for the stabilization of earth blocks. Sample blocks were constructed using varying concentrations of stabilization materials. The samples' mechanical strengths were assessed. Simultaneously, materials will be compared in terms of ease of manufacture, and financial cost. The mechanical properties (compressive and flexural strength) of stabilized earth blocks shows that the developed mix outperforms the traditional masonry concrete block. The results of this study show that stabilized earth blocks are gaining their place as a viable, sustainable, affordable building material suitable for low-cost housing construction.
Open URL: Link to full text
Type: Conference Paper
Appears in Collections:Department of Civil Engineering and Construction
Department of Chemical Engineering
Department of Civil and Environmental Engineering

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