Properties and microstructure of alkali-activated red clay brick waste
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2013Unesco Subject/s
3305 Tecnología de la Construcción
3312.08 Propiedades de Los Materiales
3312.09 Resistencia de Materiales
Abstract
Sintered red clay ceramic is used to produce hollow bricks which are manufactured in enormous quantities in Spain. They also constitute a major fraction of construction and demolition waste. The aim of this research was to investigate the properties and microstructure of alkali-activated cement pastes and mortars produced using red clay brick waste. The work shows that the type and concentration of alkali activator can be optimised to produce mortar samples with compressive strengths up to 50 MPa after curing for 7 days at 65 degrees C. This demonstrates a new potential added value reuse application for this important waste material. (C) 2013 Elsevier Ltd. All rights reserved.
Sintered red clay ceramic is used to produce hollow bricks which are manufactured in enormous quantities in Spain. They also constitute a major fraction of construction and demolition waste. The aim of this research was to investigate the properties and microstructure of alkali-activated cement pastes and mortars produced using red clay brick waste. The work shows that the type and concentration of alkali activator can be optimised to produce mortar samples with compressive strengths up to 50 MPa after curing for 7 days at 65 degrees C. This demonstrates a new potential added value reuse application for this important waste material. (C) 2013 Elsevier Ltd. All rights reserved.
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