Activation Method and Reuse of Waste Concrete Powder—A Review

Changming Bu, Baolin Tan, Qiutong Wu, Yingying Qiao, Yi Sun (), Linwen Yu () and Qian Yang
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Changming Bu: School of Civil Engineering and Architecture, Chongqing University of Science & Technology, Chongqing 401331, China
Baolin Tan: School of Civil Engineering and Architecture, Chongqing University of Science & Technology, Chongqing 401331, China
Qiutong Wu: School of Civil Engineering and Architecture, Chongqing University of Science & Technology, Chongqing 401331, China
Yingying Qiao: School of Civil Engineering and Architecture, Chongqing University of Science & Technology, Chongqing 401331, China
Yi Sun: School of Civil Engineering and Architecture, Chongqing University of Science & Technology, 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

Sustainability, 2023, vol. 15, issue 6, 1-22

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.

Keywords: waste concrete powder; activation; mortar; reuse; Citespace (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2023
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