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Activation Method and Reuse of Waste Concrete Powder—A Review

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  • Changming Bu

    (School of Civil Engineering and Architecture, Chongqing University of Science & Technology, Chongqing 401331, China
    Chongqing Key Laboratory of Energy Engineering Mechanics & Disaster Prevention and Mitigation, Chongqing 401331, China)

  • Baolin Tan

    (School of Civil Engineering and Architecture, Chongqing University of Science & Technology, Chongqing 401331, China
    Chongqing Key Laboratory of Energy Engineering Mechanics & Disaster Prevention and Mitigation, Chongqing 401331, China)

  • Qiutong Wu

    (School of Civil Engineering and Architecture, Chongqing University of Science & Technology, Chongqing 401331, China
    Chongqing Key Laboratory of Energy Engineering Mechanics & Disaster Prevention and Mitigation, Chongqing 401331, China)

  • Yingying Qiao

    (School of Civil Engineering and Architecture, Chongqing University of Science & Technology, Chongqing 401331, China
    Chongqing Key Laboratory of Energy Engineering Mechanics & Disaster Prevention and Mitigation, Chongqing 401331, China)

  • Yi Sun

    (School of Civil Engineering and Architecture, Chongqing University of Science & Technology, Chongqing 401331, China
    Chongqing Key Laboratory of Energy Engineering Mechanics & Disaster Prevention and Mitigation, Chongqing 401331, China)

  • Linwen Yu

    (School of Materials Science and Engineering, Chongqing University, Chongqing 400044, China)

  • Qian Yang

    (School of Civil Engineering and Architecture, Chongqing University of Science & Technology, Chongqing 401331, China
    Chongqing Key Laboratory of Energy Engineering Mechanics & Disaster Prevention and Mitigation, Chongqing 401331, China)

Abstract

With an emphasis on environmental protection and the sustainable development of resources, the reuse of waste concrete has long been a research hotspot, and the study of WCP is the key to improving the efficiency of waste concrete utilization. In this study, in which we reviewed the relevant literature at home and abroad in recent years, we first used Citespace software to visualize and analyze the research on the reuse and activation methods of WCP in recent years. In this paper, we explain the characteristics of WCP and the influence of different activation methods on the activity index of WCP. We summarize the mechanical properties and working properties of WCP mortar products, and finally, the optimal activation method of WCP and the optimal amount of WCP in mortar preparation are analyzed. In addition, some problems in the current research are determined.

Suggested Citation

  • Changming Bu & Baolin Tan & Qiutong Wu & Yingying Qiao & Yi Sun & Linwen Yu & Qian Yang, 2023. "Activation Method and Reuse of Waste Concrete Powder—A Review," Sustainability, MDPI, vol. 15(6), pages 1-22, March.
    • Handle: RePEc:gam:jsusta:v:15:y:2023:i:6:p:5451-:d:1102109
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