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The Process of Digitalization of the Urban Environment for the Development of Sustainable and Circular Cities: A Case Study of Bologna, Italy

Author

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  • Anna Chiara Benedetti

    (Department of Architecture, University of Bologna, 40136 Bologna, Italy)

  • Carlo Costantino

    (Department of Architecture, University of Bologna, 40136 Bologna, Italy)

  • Riccardo Gulli

    (Department of Architecture, University of Bologna, 40136 Bologna, Italy)

  • Giorgia Predari

    (Department of Architecture, University of Bologna, 40136 Bologna, Italy)

Abstract

The residential heritage that was built during the great expansion of real estate after the Second World War has severe deficiencies in structural safety, fire resistance, energy efficiency, and accessibility and these cannot be solved with sustainable renovation measures. This study focuses on replacement interventions and promotes a management model that addresses three areas (technical, social, and economic) and it refers to the application of the circularity principle to the construction sector for the goal of climate neutrality by 2050. The final objective is to define a protocol—namely, the guidelines—to reference in a decision-making process that promotes urban regeneration by comparing demolition with reconstruction and renovation. The proposed methodology allows for the determination of suitable areas in Bologna for replacement and the joining of the municipal geodatabase with data from archival research on building permits in 1949–1965 by using GIS software. This digital archive can be implemented in a digital twin for an urban block, which can become a predictive tool for urban planning and the management of the whole life of a building. The main result is the characterization of urban blocks by identifying typical features belonging to specific building libraries that are validated with density analyses. These urban clusters and building archetypes can be used to assess targeted intervention measures by using specific tools, such as predictive maps and 3D city models.

Suggested Citation

  • Anna Chiara Benedetti & Carlo Costantino & Riccardo Gulli & Giorgia Predari, 2022. "The Process of Digitalization of the Urban Environment for the Development of Sustainable and Circular Cities: A Case Study of Bologna, Italy," Sustainability, MDPI, vol. 14(21), pages 1-26, October.
    • Handle: RePEc:gam:jsusta:v:14:y:2022:i:21:p:13740-:d:951255
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    References listed on IDEAS

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    1. Simone Ferrari & Federica Zagarella & Paola Caputo & Giuliano Dall’O’, 2021. "A GIS-Based Procedure for Estimating the Energy Demand Profiles of Buildings towards Urban Energy Policies," Energies, MDPI, vol. 14(17), pages 1-16, September.
    2. Swan, Lukas G. & Ugursal, V. Ismet, 2009. "Modeling of end-use energy consumption in the residential sector: A review of modeling techniques," Renewable and Sustainable Energy Reviews, Elsevier, vol. 13(8), pages 1819-1835, October.
    3. Mastrucci, Alessio & Marvuglia, Antonino & Benetto, Enrico & Leopold, Ulrich, 2020. "A spatio-temporal life cycle assessment framework for building renovation scenarios at the urban scale," Renewable and Sustainable Energy Reviews, Elsevier, vol. 126(C).
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    1. Gina M. Núñez-Camarena & Susana Clavijo-Núñez & Julia Rey-Pérez & José-Manuel Aladro-Prieto & Jorge Roa-Fernández, 2023. "Memory and Identity: Citizen Perception in the Processes of Heritage Enhancement and Regeneration in Obsolete Neighborhoods—The Case of Polígono de San Pablo, Seville," Land, MDPI, vol. 12(6), pages 1-23, June.
    2. Kılkış, Şiir, 2023. "Integrated urban scenarios of emissions, land use efficiency and benchmarking for climate neutrality and sustainability," Energy, Elsevier, vol. 285(C).

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