MINIMIZAÃÃO DE IMPACTOS AMBIENTAIS COM A UTILIZAÃÃO DE RESÃDUOS DE CONSTRUÃÃO E DEMOLIÃÃO (RCD) COMO AGREGADOS NA FABRICAÃÃO DE BLOCOS DE CONCRETO

AUTOR(ES)

ANDRÃ LUIZ DUQUE BRUNINI PATTO

DATA DE PUBLICAÇÃO

2006

RESUMO

Recycling of construction and demolition refuses (CDR) is a has been practiced since ancient history, when cities that were destroyed by war and natural disasters were rebuilt from their own ruins. Today, it is used in large scale in many countries in Europe and in the USA. In Brazil, where the concern with the destination of this kind of refuses is much more recent, few cities have planned and executed CDR management to this day. The side effects of this situation are plainly visible: the refuses have been continually and irregularly deposed in unused areas, thoroughfares, riversides, creeks and even in environmental protection areas, causing the proliferation of health-affecting problems, flooding and many other damages to the environment. Therefore, this study has the main goal of proposing solutions that can lessen the environmental impact by using CDR as aggregate in the manufacturing of concrete blocks. The lab tests and the comparing of the results obtained with those measured with the conventional techniques prove the viability of reutilizing these refuses, both in environmental and economical terms, as well as assuring that the use of CDR follows all the current regulations. With this, the compromise with environmental preservation is reinforced, since the recycling this type of refuse, beside helping to remove it from the urban landscape, generates considerable gains in saving energy and the non-renewable natural resources that would be used as raw material, lessening air, water and soil pollution, releasing the burden on landfills, always aiming at achieving sustainable development.

ASSUNTO(S)

sustainable development construction and demolition refuses resÃduos de construÃÃo e demoliÃÃo bloco reciclado agregado reciclado concrete blocks desenvolvimento sustentÃvel recycled aggregate minimizaÃÃo de impacto ambiental residuos solidos, domesticos e industriais minimization of environmental impact

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