Abstract
An abundance of agri-food waste in the area around Cordoba, Argentina, has driven the development of new construction materials. This study explored the applicability of peanut shells as additions in cement blends and the suitability of the properties of the resulting mixes for use in construction materials. The mechanical properties of the specimens were observed to improve when the shells were previously treated with quicklime (CaO) or when sodium silicate and aluminium sulphate were added to the blend. While the resulting materials did not exhibit the same mechanical properties as traditional mortars and concretes, they do appear to be apt for use in lightweight and non-bearing structures.
Highlights
While the resulting materials did not exhibit the same mechanical properties as traditional mortars and concretes, they do appear to be apt for use in lightweight and non-bearing structures
De los resultados obtenidos se desprende que es posible establecer tres grupos de comportamiento a tracción: El primer grupo está conformado por las probetas elaboradas con cáscaras de maní y cemento sin aditivos ni tratamiento previo
“También publicado en International Journal of Cement Composites and Lightweight Concrete, vol 8, no 3 (1986), pp
Summary
An abundance of agri-food waste in the area around Cordoba, Argentina, has driven the development of new construction materials. This study explored the applicability of peanut shells as additions in cement blends and the suitability of the properties of the resulting mixes for use in construction materials. The mechanical properties of the specimens were observed to improve when the shells were previously treated with quicklime (CaO) or when sodium silicate and aluminium sulfate were added to the blend. While the resulting materials did not exhibit the same mechanical properties as traditional mortars and concretes, they do appear to be apt for use in lightweight and non-bearing structures. (*) Centro Experimental de Vivienda Económica (CEVE)–Consejo Nacional de Investigaciones Científicas y Tecnológicas (CONICET). Agencia Nacional de Promoción Científica y Tecnológica (ANPCYT).
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