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Treatment Methods for the Quality Improvement of Recycled Concrete Aggregate (RCA) - A Review

  • Cementitious materials
  • Published:
Journal of Wuhan University of Technology-Mater. Sci. Ed. Aims and scope Submit manuscript

Abstract

for the purpose of providing references for further research and practical application about the quality improvement of RCA, in this paper, various treatment methods were firstly classified into four categories: removing old mortar (OM), strengthening OM, multi-stage mixing methods, and combination methods. Thereafter, the improvement mechanisms and important conclusions of various treatment methods were elucidated and summarised respectively. In the section of discussion, the improved effects as well as advantages and disadvantages of various treatment methods were compared and discussed respectively, and recommendations for the selection of treatment methods were proposed. Finally, the further research directions were pointed out, and an integrative programme on the quality improvement of RCA was recommended.

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Authors and Affiliations

  1. Department of Civil Engineering, Henan Polytechnic University, Jiaozuo, 454003, China

    Yahong Ding  (丁亚红), Jun Wu, Ping Xu  (徐平), Xianggang Zhang & Yuhui Fan

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  1. Yahong Ding  (丁亚红)
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  2. Jun Wu
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  3. Ping Xu  (徐平)
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  4. Xianggang Zhang
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  5. Yuhui Fan
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Correspondence to Ping Xu  (徐平).

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Funded by Joint Funds of the National Natural Science Foundation of China (No. U1904188), National Science Foundation for Distinguished Young Scholars (No. 51608179), and the Key Science and Technology Program of Henan Province, China (No. 202102310253)

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Ding, Y., Wu, J., Xu, P. et al. Treatment Methods for the Quality Improvement of Recycled Concrete Aggregate (RCA) - A Review. J. Wuhan Univ. Technol.-Mat. Sci. Edit. 36, 77–92 (2021). https://doi.org/10.1007/s11595-021-2380-3

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