Research on the functionalised application of construction solid waste is key for solving waste pollution and achieving sustainable building materials. This study prepared recycled cement-Fe3O4 composites using recycled concrete powder (RCP) and nano-Fe3O4. The results show that the incorporation of RCP and nano-Fe3O4 has no significant effect on the phase types of the recycled cement-Fe3O4 composites, but significantly improves the wave absorption performance and the effective absorption bandwidth (EAB). When the content of RCP is 10 wt% and that of nano-Fe3O4 is 9 wt%, the composite exhibits excellent wave absorption performance, with a minimum reflection loss of −33.32 dB and an EAB of 9.37 GHz, which are ≈54% and 206% higher than those of pure cement mortar specimens respectively. Meanwhile, it maintains a compressive strength similar to that of pure cement mortar, providing a new solution for sustainable and functional building materials.
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1 November 2025
Research Article|
October 03 2025
Study on the wave absorption and mechanical properties of recycled
cement-Fe3O4 composites
Tingting Zhang;
Tingting Zhang
School of Architectural Engineering,
Henan University
, Kaifeng, China
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Tiejun Zhao;
Tiejun Zhao
School of Architectural Engineering,
Henan University
, Kaifeng, China
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Xinghui Yao;
China Railway Construction Group
, Zhengzhou, China
Corresponding author Xinghui Yao (17329231603@163.com)
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Yuqi Liu;
Yuqi Liu
School of Architectural Engineering,
Henan University
, Kaifeng, China
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Linjie Tian;
Linjie Tian
School of Architectural Engineering,
Henan University
, Kaifeng, China
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Wenfeng Du;
Wenfeng Du
School of Architectural Engineering,
Henan University
, Kaifeng, China
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Qing Tian;
Qing Tian
School of Architectural Engineering,
Henan University
, Kaifeng, China
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Haitao Wan;
Haitao Wan
School of Architectural Engineering,
Henan University
, Kaifeng, China
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Gang Li
Gang Li
China Railway Construction Group
, Zhengzhou, China
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Corresponding author Xinghui Yao (17329231603@163.com)
Publisher: Emerald Publishing
Received:
February 26 2025
Accepted:
July 31 2025
Online ISSN: 1747-6518
Print ISSN: 1747-650X
Funding
Funding Group:
- Award Group:
- Funder(s): Natural Science Foundation of Henan Province
- Award Id(s): 232300420341,242300421433
- Funder(s):
- Award Group:
- Funder(s): the Science and Technology Research Project of Henan Province
- Award Id(s): 242102230015,242102320044
- Funder(s):
- Funding Statement(s): This work was funded by the Natural Science Foundation of Henan Province (Nos. 232300420341 and 242300421433) and the Science and Technology Research Project of Henan Province (Nos. 242102230015 and 242102320044). The authors hereby express their gratitude for their support.
© 2025 Emerald Publishing Limited
2025
Emerald Publishing Limited
Licensed re-use rights only
Proceedings of the Institution of Civil Engineers - Construction Materials (2025) 178 (6): 344–355.
Article history
Received:
February 26 2025
Accepted:
July 31 2025
Citation
Zhang T, Zhao T, Yao X, Liu Y, Tian L, Du W, Tian Q, Wan H, Li G (2025), "Study on the wave absorption and mechanical properties of recycled
cement-Fe3O4 composites". Proceedings of the Institution of Civil Engineers - Construction Materials, Vol. 178 No. 6 pp. 344–355, doi: https://doi.org/10.1680/jcoma.25.00018
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