Recycled lightweight concrete made from footwear industry waste and CDW |
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| Authors: | Paulo Roberto Lopes Lima Mônica Batista Leite Ediela Quinteiro Ribeiro Santiago |
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| Affiliation: | 1. Architectural Construction and Control Department, Higher Technical School of Building Construction, Madrid Polytechnic University, Avenida Juan de Herrera 6, 28040 Madrid, Spain;2. Chemistry and Polymers Department, University School of Technical Industrial Engineering, Technical University of Madrid, Ronda de Valencia 3, 28012 Madrid, Spain;1. Civil Engineering Department, COPPE, Universidade Federal do Rio de Janeiro, P.O. Box 68506, 21941-972 Rio de Janeiro, RJ, Brazil;2. Laboratory of Civil Engineering, Universidade Estadual do Norte Fluminense Darcy Ribeiro, Av. Alberto Lamego, 2000, 28013-602 Campos dos Goytacazes, RJ, Brazil;1. Department of Civil Engineering, University of Birmingham, UK;2. Department of Civil Engineering, King Saud University, Saudi Arabia;1. Dipartimento per le Tecnologie, Università degli Studi di Napoli Parthenope, Centro Direzionale, Isola C4, 80143 Napoli, Italy;2. ACLabs-Dipartimento di Ingegneria Chimica, dei Materiali e della Produzione Industriale, Università degli Studi di Napoli Federico II, P.le Tecchio 80, 80125 Napoli, Italy;1. Department of Civil Engineering in College of Engineering, Ocean University of China, Qingdao 266100, PR China;2. Collaborative Innovation Center of Engineering Construction and Safety in Blue Economic Zone, Qingdao 266033, PR China;3. Qingdao Shundafeng Industry and Trade Co., Ltd., Qingdao 266000, PR China |
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| Abstract: | In this paper two types of recycled aggregate, originated from construction and demolition waste (CDW) and ethylene vinyl acetate (EVA) waste, were used in the production of concrete. The EVA waste results from cutting off the EVA expanded sheets used to produce insoles and innersoles of shoes in the footwear industry. The goal of this study was to evaluate the influence of the use of these recycled aggregates as replacements of the natural coarse aggregate, upon density, compressive strength, tensile splitting strength and flexural behavior of recycled concrete. The experimental program was developed with three w/c ratios: 0.49, 0.63 and 0.82. Fifteen mixtures were produced with different aggregate substitution rates (0%, 50% EVA, 50% CDW, 25% CDW–25% EVA and 50% CDW–50% EVA), by volume. The results showed that it is possible to use the EVA waste and CDW to produce lightweight concrete having semi-structural properties. |
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