Economic potential and environmental impacts of reused steel structures

Sirje Vares (Corresponding Author), Petr Hradil, Michael Sansom, Viorel Ungureanu

    Research output: Contribution to journalArticleScientificpeer-review

    Abstract

    Considerable amounts of natural resources are embodied in the building stock and infrastructure. Designing resource-efficient buildings is, therefore, an important approach to reduce raw material use and environmental impacts. However, sustainability criteria in national building codes focus primarily on improving energy efficiency and waste recovery. The EU target to recover 70% of construction and demolition waste is already being achieved in many countries; however, this is achieved using the lowest levels of the waste management hierarchy. Although landfill is avoided, the retained value of recovered products is generally low and there is a need to prioritise higher levels of recovery, i.e. reuse and waste prevention. Targets for this higher level of utilisation are currently unavailable, although they can be expected to be included in future European waste legislation. Consequently, the reuse of building structures is still uncommon and is not largely supported through regulation. The building stock is not designed for deconstruction, and material recovery for reuse at the end of life of buildings is complex and challenging. To support greater reuse of steel structures, this paper demonstrates the calculation of the economic potential and environmental impact of reused steel building elements.
    Original languageEnglish
    JournalStructure and Infrastructure Engineering
    DOIs
    Publication statusAccepted/In press - 11 Sep 2019
    MoE publication typeA1 Journal article-refereed

    Fingerprint

    steel structure
    Steel structures
    Environmental impact
    environmental impact
    Economics
    economics
    energy efficiency
    Recovery
    waste management
    landfill
    natural resource
    steel
    infrastructure
    sustainability
    Demolition
    Natural resources
    Waste management
    resource
    Land fill
    Energy efficiency

    Keywords

    • Construction
    • life cycle assessment value chain
    • life cycle cost
    • reuse
    • steel

    Cite this

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    abstract = "Considerable amounts of natural resources are embodied in the building stock and infrastructure. Designing resource-efficient buildings is, therefore, an important approach to reduce raw material use and environmental impacts. However, sustainability criteria in national building codes focus primarily on improving energy efficiency and waste recovery. The EU target to recover 70{\%} of construction and demolition waste is already being achieved in many countries; however, this is achieved using the lowest levels of the waste management hierarchy. Although landfill is avoided, the retained value of recovered products is generally low and there is a need to prioritise higher levels of recovery, i.e. reuse and waste prevention. Targets for this higher level of utilisation are currently unavailable, although they can be expected to be included in future European waste legislation. Consequently, the reuse of building structures is still uncommon and is not largely supported through regulation. The building stock is not designed for deconstruction, and material recovery for reuse at the end of life of buildings is complex and challenging. To support greater reuse of steel structures, this paper demonstrates the calculation of the economic potential and environmental impact of reused steel building elements.",
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    Economic potential and environmental impacts of reused steel structures. / Vares, Sirje (Corresponding Author); Hradil, Petr; Sansom, Michael; Ungureanu, Viorel.

    In: Structure and Infrastructure Engineering, 11.09.2019.

    Research output: Contribution to journalArticleScientificpeer-review

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