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Resumen Este articulo presenta los resultados del proyecto de investigacion "De residuos a recursos (W2R)" que analiza la generacion de residuos de construccion y demolicion (RCD) en obras de rehabilitacion para la mejora de la eficiencia energetica de edificios y desarrolla nuevos materiales, elementos y sistemas constructivos fabricados a partir de RCD. En este articulo se presentan algunos de los resultados del proyecto W2R, en concreto, la identificacion, cuantificacion y caracterizacion de las categorias de residuos generados en obras de rehabilitacion para la mejora de la eficiencia energetica llevadas a cabo en la envolvente vertical de los edificios. Para ello, se identificaron las actuaciones mas comunes para mejorar la eficiencia energetica de las envolventes verticales y se cuantifico la generacion de RCD en dos obras utilizando metodos experimentales (datos in situ) y teoricos (software). Los resultados mostraron que la mayor cantidad de generacion de RCD se produce durante las operaciones de preparacion de la superficie vertical previas a desarrollar la actuacion. Ademas, se encontro que las categorias de residuos mas generados son: hormigon, ceramica, metal y madera. Abstract This article presents the results of the research project "From waste to resources (W2R)" that analyzes the generation of construction and demolition waste (RCD) in rehabilitation works for the improvement of the energy efficiency of buildings and develops new materials, elements and construction systems manufactured from RCD. This article presents some of the results of the W2R project, specifically, the identification, quantification and characterization of the categories of waste generated in rehabilitation works for the improvement of energy efficiency carried out in the vertical envelope of buildings. For this, the most common actions to improve the energy efficiency of the vertical envelopes were identified and the generation of CDR in two works was quantified using experimental methods (in situ data) and theoretical (software). The results showed that the greatest amount of RCD generation occurs during the vertical surface preparation operations prior to developing the performance. In addition, it was found that the most generated waste categories are: concrete, ceramics, metal and wood.

Cuantificación de residuos en obras de rehabilitación energética de edificios = Quantification of waste in building energy rehabilitation works