Substituição de cimento portland por resíduo cerâmico na produção de concreto

Abstract

Civil construction is one of the industries that most generates solid waste. Research has sought to assess the feasibility of reusing waste within civil construction. This study aims to analyze the performance of concrete produced with ceramic waste in partial replacement of portland cement. The residue comes from fragments of ceramic bricks, the material used was the passer-by in sieve n° 200 (75μm). The production of concrete used water/cement factor 0.5 and trace (1:1,55:2,19). The proportions of substitution were 0, 15 and 20% in relation to the cement mass. The results of compressive strength revealed a higher substitution strength of 20%, with an average strength of 25,74 MPa for the four broken samples, the proportions of 15 and 0% reached 23,71 and 23,92 MPa respectively. In the absorption, void index and specific mass the results were very close, showing a small increase in the samples with residue. Because it presented good results, there is great potential in the use of ceramic waste in the production of concrete.