RASMI: Global ranges of building material intensities differentiated by region, structure, and function

Fishman, T. ORCID: https://orcid.org/0000-0003-4405-2382, Mastrucci, A. ORCID: https://orcid.org/0000-0002-5611-7780, Peled, Y., Saxe, S., & van Ruijven, B. ORCID: https://orcid.org/0000-0003-1232-5892 (2024). RASMI: Global ranges of building material intensities differentiated by region, structure, and function. Scientific Data 11 (1) e418. 10.1038/s41597-024-03190-7.

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Abstract

The construction materials used in buildings have large and growing implications for global material flows and emissions. Material Intensity (MI) is a metric that measures the mass of construction materials per unit of a building's floor area. MIs are used to model buildings' materials and assess their resource use and environmental performance, critical to global climate commitments. However, MI data availability and quality are inconsistent, incomparable, and limited, especially for regions in the Global South. To address these challenges, we present the Regional Assessment of buildings' Material Intensities (RASMI), a new dataset and accompanying method of comprehensive and consistent representative MI value ranges that embody the variability inherent in buildings. RASMI consists of 3072 MI ranges for 8 construction materials in 12 building structure and function types across 32 regions covering the entire world. The dataset is reproducible, traceable, and updatable, using synthetic data when required. It can be used for estimating historical and future material flows and emissions, assessing demolition waste and at-risk stocks, and evaluating urban mining potentials.

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