Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Assessment of the Sustainability of Concrete by Ensuring Performance During Structure Service Life

Version 1 : Received: 11 November 2021 / Approved: 12 November 2021 / Online: 12 November 2021 (15:12:23 CET)

How to cite: Georgescu, D.; Vacareanu, R.; Aldea, A.; Apostu, A.; Arion, C.; Girboveanu, A. Assessment of the Sustainability of Concrete by Ensuring Performance During Structure Service Life. Preprints 2021, 2021110232 (doi: 10.20944/preprints202111.0232.v1). Georgescu, D.; Vacareanu, R.; Aldea, A.; Apostu, A.; Arion, C.; Girboveanu, A. Assessment of the Sustainability of Concrete by Ensuring Performance During Structure Service Life. Preprints 2021, 2021110232 (doi: 10.20944/preprints202111.0232.v1).

Abstract

This article presents a method to assess the sustainability of concrete based on three elements: service life, performance and environmental impact. The method proposes - to achieve similar performance and service life times, regardless of the component materials used, so that the sustainability assessment ultimately depends on the environmental impact criterion. To this end, specific experimental methods are used to determine the performance of concrete in terms of compressive strength and carbonation resistance for concrete cast with two blended cement types. The procedure needed to classify the concrete through carbonation resistance is detailed, in relationship with the performance obtained for compressive strength. The obtained results highlight the concrete formulations to be used to ensure similar performances regardless of the cement type used. In conclusion, the simplicity in the application of the method, which is closely related to the performance approach on concrete durability in the revision proposals of the European standards, is highlighted. The method is also a useful tool to encourage the widespread use in concrete formulation of blended cements with low environmental impact, without reducing the performance or service life time of the constructions.

Keywords

sustainability; concrete; assessment; performance; service life; environment.

Subject

ENGINEERING, Civil Engineering

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