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Environmental Assessment of Two Use Cycles of Recycled Aggregate Concrete

Author

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  • Tereza Pavlů

    (University Centre for Energy Efficient Buildings, Technical University, Prague, Trinecka 1024, 273 43 Bustehrad, Czech Republic)

  • Vladimír Kočí

    (Department of Environmental Chemistry, Faculty of Environmental Technology, University of Chemistry and Technology, Technicka 5, 166 28 Praha 6 – Dejvice, Prague, Czech Republic)

  • Petr Hájek

    (University Centre for Energy Efficient Buildings, Technical University, Prague, Trinecka 1024, 273 43 Bustehrad, Czech Republic)

Abstract

The main goal of this study was to compare two use cycles of natural aggregate concrete and recycled aggregate concrete, which is another way to compare the environmental impacts of recycled materials. A series of concrete mixtures with various replacement ratios of primary resources with recycled ones were prepared for this study. The mechanical properties of concrete mixtures were examined and were used for the design of structural elements in the same utilized properties. The two use cycles of a structural element were compared using life cycle assessment (LCA). In the first use cycle, the LCA of the structural element containing only primary raw materials was assessed. In the second use cycle, the LCA of a structural element in which primary materials were partially replaced by recycled ones was assessed. The obtained results confirm the potential use of high-quality recycled aggregate originating from local sources in some applications in building structures. Furthermore, the environmental assessment indicates the benefits of using recycled materials, such as environmental savings, especially the reduction of primary resource use, embodied energy, and embodied emissions, as well as reduction of the pressure on landfill sites.

Suggested Citation

  • Tereza Pavlů & Vladimír Kočí & Petr Hájek, 2019. "Environmental Assessment of Two Use Cycles of Recycled Aggregate Concrete," Sustainability, MDPI, vol. 11(21), pages 1-22, November.
    • Handle: RePEc:gam:jsusta:v:11:y:2019:i:21:p:6185-:d:283893
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    References listed on IDEAS

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    1. Viviana Letelier & José Marcos Ortega & Ester Tarela & Pedro Muñoz & Bastián I. Henríquez-Jara & Giacomo Moriconi, 2018. "Mechanical Performance of Eco-Friendly Concretes with Volcanic Powder and Recycled Concrete Aggregates," Sustainability, MDPI, vol. 10(9), pages 1-17, August.
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    Cited by:

    1. Chunhong Chen & Ronggui Liu & Pinghua Zhu & Hui Liu & Xinjie Wang, 2020. "Carbonization Durability of Two Generations of Recycled Coarse Aggregate Concrete with Effect of Chloride Ion Corrosion," Sustainability, MDPI, vol. 12(24), pages 1-18, December.
    2. Najib N. Gerges & Camille A. Issa & Elias Sleiman & Sara Aintrazi & Jad Saadeddine & Remi Abboud & Marc Antoun, 2022. "Eco-Friendly Optimum Structural Concrete Mix Design," Sustainability, MDPI, vol. 14(14), pages 1-24, July.
    3. Wenqiang Xing & Zhihe Cheng & Xianzhang Ling & Liang Tang & Shengyi Cong & Shaowei Wei & Lin Geng, 2022. "Bearing Properties and Stability Analysis of the Slope Protection Framework Using Recycled Railway Sleepers," Sustainability, MDPI, vol. 14(8), pages 1-11, April.
    4. Yong Liu & Yang Wang & Mengmeng Zhou & Jiandong Huang, 2023. "Improvement of Computational Efficiency and Accuracy by Firefly Algorithm and Random Forest for Compressive Strength Modeling of Recycled Concrete," Sustainability, MDPI, vol. 15(12), pages 1-19, June.
    5. Caroline Santana Rangel & Mayara Amario & Marco Pepe & Enzo Martinelli & Romildo Dias Toledo Filho, 2020. "Durability of Structural Recycled Aggregate Concrete Subjected to Freeze-Thaw Cycles," Sustainability, MDPI, vol. 12(16), pages 1-21, August.
    6. Jaime A. Mesa & Carlos Fúquene-Retamoso & Aníbal Maury-Ramírez, 2021. "Life Cycle Assessment on Construction and Demolition Waste: A Systematic Literature Review," Sustainability, MDPI, vol. 13(14), pages 1-22, July.

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