Reutilização de resíduos de construção e demolição: proposta de fluxo de materiais para desconstrução de estruturas industrializadas de concreto
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Date
2020-03-27
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Universidade Católica do Salvador
Abstract
The civil construction sector needs to incorporate the concept of sustainability into its practices, since it is responsible for the consumption of approximately 50% of raw materials extracted from nature and generates more than 45 million tons of construction and demolition waste per year. Small constructions, renovations and demolitions are the biggest waste generators. Deconstruction activity emerges as a sustainable possibility for the civil construction sector, since it allows the reuse of elements as a structure for new construction. Thus, the present study aimed to analyze the techniques and practices of deconstruction in locus, having as reference the bibliographic and documentary research, as well as the guidelines of PNRS / Law nº 12.305 / 2010 and of Resolution nº 307/2002 of CONAMA. The field research carried out pointed to the importance of deconstruction activity as a way of guaranteeing the objectives of the relevant Laws and Resolutions, with regard to the hierarchy of waste management, reducing the sending of RCD to inert landfills. Based on the theoretical framework and the object researched in the field, the present work suggests a flow of materials and guidelines for the deconstruction of industrialized concrete structures, in order to guide professionals in the planning, execution and control of this service.
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Keywords
Gestão ambiental, Resíduos da construção civil, Desconstrução, Construção industrializada de concreto, Environmental management, Waste of civil construction, Deconstruction, Industrialized concrete construction