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Volltext // Exemplar mit der Signatur: München, Bayerische Staatsbibliothek -- 4 Ital. 122 u

[EN] Purpose Construction and demolition waste (C&DW) is the largest waste stream in the European Union (EU) and all over the world. Proper management of C&DW and recycled materials¿including the correct handling of hazardous waste¿can have major benefits in terms of sustainability and the quality of life. The Waste Framework Directive 2008/98/EC aims to have 70% of C&DW recycled by 2020. However, except for a few EU countries, only about 50% of C&DW is currently being recycled. In the present research, the environmental impact of concrete with recycled aggregates and with geopolymer mixtures is analysed. The aim of the present research is to propose a comparative LCA of concrete with recycled aggregates in the context of European politics. Methods Life cycle assessment (LCA) methodology is applied using Simapro© software. A cradle to grave analysis is carried out. The results are analysed based on the database Ecoinvent 3.3 and Impact 2002+. Results Results show that the concrete with 25% recycled aggregates is the best solution from an environmental point of view. Furthermore, geopolymer mixtures could be a valid alternative to reduce the phenomenon of ¿global warming¿; however, the production of sodium silicate and sodium hydroxide has a great environmental impact. Conclusions A possible future implementation of the present study is certainly to carry out an overall assessment and to determine the most cost-effective option among the different competing alternatives through the life cycle cost analysis. ; Colangelo, F.; Gómez-Navarro, T.; Farina, I.; Petrillo, A. (2020). Comparative LCA of concrete with recycled aggregates: a circular economy mindset in Europe. International Journal of Life Cycle Assessment. 25(9):1790-1804. https://doi.org/10.1007/s11367-020-01798-6 ; S ; 1790 ; 1804 ; 25 ; 9 ; Akhtar A, Sarmah (2018) Construction and demolition waste generation and properties of recycled aggregate concrete: a global perspective. J Cleaner Prod 186:262–281 ; Bare JC, Hofstetter P, ...

Front Cover -- Advances in Construction and Demolition Waste Recycling: Management, Processing and Environmental Assessment -- Copyright -- Contents -- Contributors -- 1 Introduction to advances in construction and demolition waste -- 1.1 Resource efficiency and the circular economy -- 1.2 Construction and demolition waste recycling -- 1.3 Outline of the book -- References -- Further reading -- Part One: Managing construction and demolition waste -- 2 Estimation of construction and demolition waste -- 2.1 Introduction -- 2.2 C & DW composition and quantification ratios