To achieve a carbon-free economy by 2050, the construction of low-carbon schools in Italy must select the proper structural and technological solutions for the building envelope while ensuring a low economic cost. The aim of this study was to analyze and compare several technological so-lutions for the building envelope and the related structural solutions in terms of thermo-dynamic properties, energy performance, environmental sustainability parameters, and economic evalua-tions, to obtain one or more alternatives. After a general study, the binomial load-bearing struc-ture–external wall was investigated given its strong influence on both the environment and the total cost. The solutions were used in a new typological model for the kindergarten. All the so-lutions are comparable from an energy and environmental point of view, obtaining a primary energy demand of <25 kWh/(m2year ) and an environmental impact of <20 kWh/(m2year). However, considering the economic factor and analyzing the binomial load-bearing structure–external wall, the advisable solutions are those that use wooden structures with insulation layer in wood fiber as they have a significantly lower environmental impact, along with the same good energy performance and have an acceptable cost compared to other analyzed solutions.

Evaluation of Environmental and Economic Sustainability for the Building Envelope of Low-Carbon Schools / Bazzocchi, Frida; Ciacci, Cecilia; Di Naso, Vincenzo. - In: SUSTAINABILITY. - ISSN 2071-1050. - ELETTRONICO. - 13(2021), pp. 1702-1726. [10.3390/su13041702]

Evaluation of Environmental and Economic Sustainability for the Building Envelope of Low-Carbon Schools

Bazzocchi, Frida;Ciacci, Cecilia;Di Naso, Vincenzo
2021

Abstract

To achieve a carbon-free economy by 2050, the construction of low-carbon schools in Italy must select the proper structural and technological solutions for the building envelope while ensuring a low economic cost. The aim of this study was to analyze and compare several technological so-lutions for the building envelope and the related structural solutions in terms of thermo-dynamic properties, energy performance, environmental sustainability parameters, and economic evalua-tions, to obtain one or more alternatives. After a general study, the binomial load-bearing struc-ture–external wall was investigated given its strong influence on both the environment and the total cost. The solutions were used in a new typological model for the kindergarten. All the so-lutions are comparable from an energy and environmental point of view, obtaining a primary energy demand of <25 kWh/(m2year ) and an environmental impact of <20 kWh/(m2year). However, considering the economic factor and analyzing the binomial load-bearing structure–external wall, the advisable solutions are those that use wooden structures with insulation layer in wood fiber as they have a significantly lower environmental impact, along with the same good energy performance and have an acceptable cost compared to other analyzed solutions.
13
1702
1726
Goal 4: Quality education
Goal 11: Sustainable cities and communities
Goal 12: Responsible consumption and production
Goal 13: Climate action
Bazzocchi, Frida; Ciacci, Cecilia; Di Naso, Vincenzo
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/2158/1224443
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