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Environmental life cycle assessment of lightweight concrete to support recycled materials selection for sustainable design

 

Loredana Napolano a,b, Costantino Menna b, Sossio Fabio Graziano c, Domenico Asprone b, Marco D’Amore c, Roberto de Gennaro d, Michele Dondi e

 
aSTRESS scarl, Sviluppo di Tecnologie e Ricerca per l’Edilizia sismicamente Sicura ed EcoSostenibile, Vico II San Nicola alla Dogana 9, 80133 Naples, Italy
bDepartment of Structures for Engineering and Architecture, University of Naples Federico II, Via Claudio 21, 80125 Naples, Italy
cDepartment of Earth Science, Environment and Resources, University of Naples Federico II, Via Mezzocannone 8, 80134 Naples, Italy
dCISAG, University of Naples Federico II, Via Mezzocannone 8, 80134 Naples, Italy
eISTEC-CNR, Via Granarolo, 64, 48018 Faenza, Italy
 
Construction and Building Materials 119 (2016) 370–384
 
Abstract
http://www.distar.unina.it/images/ricerca/briquettes.pngThe constant increase in consumption of aggregates for concrete production represents a major environ- mental issue in the construction industry. Recycled wastes might be used as raw materials in the manufacturing of artificial LightWeight Aggregates (LWAs) in substitution and/or in combination with aggregates produced using natural sources for several end-uses, thus saving non-renewable resources. In this study, a Life Cycle Assessment (LCA) is performed for different LWAs manufactured with raw materials supplied by nature or waste. Then, the LCA is conducted on different concretes made of the different LWAs.
 
 
Key-words: Lightweight concrete Lightweight aggregates Expanded clay Sustainability