REUTILIZAÇÃO DE RESÍDUOS DA CONSTRUÇÃO E DEMOLIÇÃO (RCD) COMO AGREGADO EM CONCRETO DE CIMENTO PORTLAND

Abstract

The civil construction sector in Brazil with its development over time generated on a constant scale an increased volume of waste, called Construction and Demolition Waste (RCD). Most of this waste is disposed of irregularly in Brazil, where 50% of the country's municipalities still send waste to landfills or irregular places according to ABRECON (Brazilian Association for the Recycling of Construction and Demolition Waste). With the generation of these residues, the need arose to propose an alternative use to these materials, as long as their properties meet some normative parameters of civil construction. This use of recycled materials in the composition of new concrete has been investigated in order to assess the reduction of environmental impacts, in addition to generating products with quality and economically viable in civil construction. The present work aimed to analyze a concrete resistance using recycled construction and demolition aggregate (RCD), replacing natural aggregate with recycled aggregate, thus analyzing its habits. The results of characterization of the aggregates as well as those obtained in the concerts obtained in the study were satisfactory, following normative parameters, which made it possible to make comparisons in the resistance tests using the CP V.