Abstract
Sustainable waste management is becoming more and more important in the construction industry due to increasing waste costs as well as environmental effects. As a result of increasing level of wastes and environmental damage, the use of these wastes has become the focus for beneficial construction activities and sustainable industrial applications. This study presents experimental results on the effect of industrial wastes on the performance of cementitious mixtures. The scope of this study, therefore, was to assess the effect of waste aluminium on physical and mechanical properties of cement based mixtures prepared in different compositions. Consistency, bulk density, porosity, absorption, flexural and compressive strength tests were carried out on mixtures produced by using waste aluminium aggregates in different percentages instead of fine aggregate. Results showed that mixtures prepared with 4% aluminium aggregates had the highest water absorption and porosity. With the addition of %1 lathe waste, it was observed that the flexural behavior of mortar was maximum and the optimum percentage for flexural strength was noted. In addition, when mixtures produced with the same percentage of aluminium were compared, the amount of binder played a significant role on both compressive and flexural strength. Results have shown that to incorporate aluminium into mixtures can be a suitable solution for recycling in industrial applications.
Highlights
The standard of living, which has improved considerably with economic development, has led to a sharp increase in industrial wastes that emerged as a big social problem [1]
The use of metal wastes as aggregates in civil engineering applications and in cement based products can be considered as an alternative [4]
Due to the environmental damage caused by the production of these fibers, there has been an increasing interest in incorporating recycled waste fibers into concrete recently
Summary
The standard of living, which has improved considerably with economic development, has led to a sharp increase in industrial wastes that emerged as a big social problem [1]. Over the years, increased amount of waste in the world has created a serious threat to ecology and this situation encourages reuse by recycling of waste in concrete [2]. At this point, sustainable techniques should be created to reuse these wastes [3]. Effects of partial reuse of waste aluminum as aggregate replacement in mortar mixtures were investigated in order to reduce the environmental impact caused by the disposal of waste metals
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