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Communication Dans Un Congrès Année : 2023

Advancing Sustainable Building Envelope Systems through LCA: A Comparative Analysis of Natural Stone and Concrete Envelopes towards Circular Economy Principles

Résumé

Faced with the depletion of non-renewable resources in the construction, the latest strategy "Climate ambition 2020" proposes to reduce the use of concrete by using natural and biomaterials. Stone offers advantages such as durability, low maintenance requirements and lower levels of greenhouse gas emissions during production. Nevertheless, concrete remains the first material used for construction, offering advantages such as low cost and high availability. To revalue the use of stone as a construction material for structural building envelopes, this paper proposes a comparative LCA analysis to evaluate the sustainability of France's two common structural envelopes: ashlar and concrete wall. The cases studies present the same geometric characteristics, considering the different production processes of these two technologies. This allows us to highlight the impact of the choice of the material and different production procedures in the evaluation of the life cycle analysis of a technological system. Through this comparison, this paper seeks to provide insights into their sustainability and opportunities for improving the potential for circular economy principles. The conclusions of this paper can contribute to a shift in perception towards natural stone as a viable and sustainable option for building envelopes. The reinterpretation of use of stone today can help reduce the reliance on energy-intensive materials such as concrete and promote more sustainable construction practices.
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Dates et versions

hal-04463445 , version 1 (17-02-2024)

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  • HAL Id : hal-04463445 , version 1

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Anahita Mirani, Roberta Zarcone. Advancing Sustainable Building Envelope Systems through LCA: A Comparative Analysis of Natural Stone and Concrete Envelopes towards Circular Economy Principles. XXI International Forum World Le Vie dei Mercanti Heritage and Dwelling on Earth, May 2023, Naples (Italie), Italy. ⟨hal-04463445⟩
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