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掺碳酸化再生粗骨料混凝土的耐久性性能：综述

Durability performance of concrete incorporating carbonated recycled coarse aggregates: a review.

作者信息

Zhang Zhidong, Angst Ueli, Troian Viacheslav, Guo Bingbing, Zeng Qiang

机构信息

Institute for Building Materials, ETH Zurich, Zurich, Switzerland.

Department of Technology of Building Structures and Products, Kyiv National University of Construction and Architecture, Kyiv, Ukraine.

出版信息

Npj Mater Sustain. 2025;3(1):27. doi: 10.1038/s44296-025-00071-x. Epub 2025 Aug 18.

DOI:10.1038/s44296-025-00071-x
PMID:40837064
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC12360947/
Abstract

Carbonation of recycled coarse aggregates (RAs) has drawn significant attention in recent years. This study shows that most durability indicators of carbonated RAs concrete (cRAC) are lower than natural aggregate concrete, while compared to concrete with non-carbonated RAs, all durability indicators of cRAC are improved by 13-55% because of the densified microstructure after carbonation. Optimized carbonation methods (i.e., adjusting moisture content and using biomaterials) are suggested to improve the quality of carbonated RAs further.

摘要

近年来，再生粗骨料（RAs）的碳酸化受到了广泛关注。本研究表明，碳酸化再生粗骨料混凝土（cRAC）的大多数耐久性指标低于天然骨料混凝土，而与非碳酸化再生粗骨料混凝土相比，由于碳酸化后微观结构致密化，cRAC的所有耐久性指标提高了13-55%。建议采用优化的碳酸化方法（即调整含水量和使用生物材料）进一步提高碳酸化再生粗骨料的质量。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d73f/12360947/8a1fdaa32c8e/44296_2025_71_Fig6_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d73f/12360947/8a6d560fb433/44296_2025_71_Fig1_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d73f/12360947/b1608d41bd9d/44296_2025_71_Fig2_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d73f/12360947/49d1dabbd130/44296_2025_71_Fig3_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d73f/12360947/75f9ca591f1d/44296_2025_71_Fig4_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d73f/12360947/4b1feb325956/44296_2025_71_Fig5_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d73f/12360947/8a1fdaa32c8e/44296_2025_71_Fig6_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d73f/12360947/8a6d560fb433/44296_2025_71_Fig1_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d73f/12360947/b1608d41bd9d/44296_2025_71_Fig2_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d73f/12360947/49d1dabbd130/44296_2025_71_Fig3_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d73f/12360947/75f9ca591f1d/44296_2025_71_Fig4_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d73f/12360947/4b1feb325956/44296_2025_71_Fig5_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d73f/12360947/8a1fdaa32c8e/44296_2025_71_Fig6_HTML.jpg

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本文引用的文献

1
Impregnate Carbonation: CO-Guided In Situ Growth of Robust Superhydrophobic Structures on Concrete Surfaces.浸渍碳化：二氧化碳引导下在混凝土表面原位生长坚固的超疏水结构
Adv Mater. 2024 Oct;36(40):e2405492. doi: 10.1002/adma.202405492. Epub 2024 Aug 23.
2
A comparative life cycle assessment on recycled concrete aggregates modified by accelerated carbonation treatment and traditional methods.加速碳酸化处理和传统方法改性再生混凝土骨料的生命周期比较评估。
Waste Manag. 2023 Dec 1;172:235-244. doi: 10.1016/j.wasman.2023.10.040. Epub 2023 Nov 2.
3
Effect of the Moisture Content of Recycled Aggregate on the Mechanical Performance and Durability of Concrete.
再生骨料含水量对混凝土力学性能及耐久性的影响
Materials (Basel). 2022 Sep 10;15(18):6299. doi: 10.3390/ma15186299.