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THE EFFECT OF FERROUS METALLURGICAL SOLID WASTE ON THE CHEMICAL PERFORMANCE OF CEMENT COMPOSITES EXPOSED TO VARIOUS CHEMICAL ENVIRONMENTS
Abstract
The Interest in recycling of materials to reduce the CO2 emissions and reduce the energy consumption has inspirited us to investigate the influence of ferrous metallurgical solid waste material namely "slag" on the performance of traditional Portland cement composites. The scrap material was mechanically treated by crushing followed by ball milling and classification. The mechanically treated slag was mixed with Portland cement without any modification. The mix was casted into the desired moulds and allowed to solidify at room temperature for two days. The samples were left to overnight in air circulating oven at 105 ?C. The fabricated samples were aged by exposing to various chemical environments including acidic, alkali, and saline. The effect of the chemical aging on the mechanical properties is compared to the plain samples. It has been found that the incorporation of the slag has influenced the mechanical properties compared to the control samples. Furthermore, the addition of the slag was able to influence the chemical resistance of the samples as well.
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