Is net-zero feasible: Systematic review of cement and concrete decarbonization technologies

Nehdi, Moncef L.; Marani, Afshin; Zhang, Lei

doi:10.1016/j.rser.2023.114169

Cited by 11 publications

(2 citation statements)

References 315 publications

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“…This includes addressing intermittency issues of renewable energy sources, ensuring grid reliability and resilience, and managing the transition for industries heavily reliant on fossil fuels. Additionally, the adoption of low-carbon technologies in material manufacturing, such as carbon capture and utilization, will play a crucial role in further reducing emissions in sectors where complete electrification may be challenging, such as the cement industry [84]. When this scenario is achieved, the embodied carbon emissions of construction materials will be significantly lower than today, potentially making bio-based materials less crucial for achieving zero carbon targets over the life cycle of buildings, and therefore limiting the issues related to their use that were highlighted above.…”

Section: Discussionmentioning

confidence: 99%

Towards Zero-Carbon Buildings: Challenges and Opportunities from Reversing the Material Pyramid

Ruta,

Pittau,

Masera

2024

Sustainability

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The decarbonization of the built environment, both in new construction and renovation, is crucial to mitigate its relevant impact on climate change and achieve the Paris Agreement goals. This study presents a systematic LCA-based methodology to assess the whole-life carbon emissions of buildings, applied to a proposal for the regeneration of one of Milan, Italy’s, disused railway yards. As an entry for the 2020 Reinventing Cities competition, Scalo Lambrate is a project for a mainly residential neighborhood with a public park. Strategies to reduce carbon emissions deriving both from the operational energy and construction and maintenance were evaluated and their effects compared to a reference scenario over a time horizon of 100 years. The results show that, while the opportunities to reduce carbon emissions during the use phase are somehow limited due to the already stringent performance requirements for new builds, the use of fast-growing biogenic materials for construction materials, even if mixed with more traditional ones, can provide a significant reduction in the global warming potential over the whole life cycle, with a reduction of 70% compared to the baseline. The remaining emissions can be offset with afforestation initiatives, which, however, must be assessed against land use issues.

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Section: Discussionmentioning

confidence: 99%

Towards Zero-Carbon Buildings: Challenges and Opportunities from Reversing the Material Pyramid

Ruta,

Pittau,

Masera

2024

Sustainability

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show abstract

Section: The Influence Of Future Energy Decarbonization On Embodied C...mentioning

confidence: 99%

Towards Zero-Carbon Buildings: Challenges and Opportunities from Reversing the Material Pyramid

Ruta,

Pittau,

Masera

2024

Preprint

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The decarbonization of the built environment, both in new construction and renovation, is crucial to mitigate its relevant impact on climate change and achieve the Paris agreement goals. This study presents a systematic LCA-based methodology to assess the whole life carbon emissions of buildings, applied to a proposal for the regeneration of one of Milan’s disused railway yards. As an entry for the 2020 Reinventing Cities competition, Scalo Lambrate is a project for a mainly residential neighborhood with a public park. Strategies to reduce carbon emissions deriving both from the operational energy and construction and maintenance were evaluated and their effects compared to a reference scenario over a time horizon of 100 years. The results show that, while the opportunities to reduce carbon emissions during the use phase are somehow limited due to the already stringent performance requirements for new builds, the use of fast-growing biogenic materials for construction materials, even if mixed with more traditional ones, can provide a significant reduction of the global warming potential over the whole life cycle, with a reduction of 70% over the baseline. The remaining emissions can be offset with afforestation initiatives that, however, must be assessed against land use issues.

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Prevention of ASR in Recycled Concrete: A Literature Review

de Oliveira,

Medeiros,

Trottier

et al. 2024

RILEM Bookseries

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Is net-zero feasible: Systematic review of cement and concrete decarbonization technologies

Cited by 11 publications

References 315 publications

Towards Zero-Carbon Buildings: Challenges and Opportunities from Reversing the Material Pyramid

Towards Zero-Carbon Buildings: Challenges and Opportunities from Reversing the Material Pyramid

Towards Zero-Carbon Buildings: Challenges and Opportunities from Reversing the Material Pyramid

Prevention of ASR in Recycled Concrete: A Literature Review

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