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Author(s):	Xiao, Jianzhuang; Li, Long; Tam, Vivian W.Y.; Li, Hong
Title:	The state of the art regarding the long-term properties of recycled aggregate concrete
Abstract:	This paper reviews the long-term properties of recycled aggregate concrete (RAC), including long-term strength, shrinkage, creep, carbonation resistance, antifreeze resistance, impermeability, abrasion resistance, alkaline aggregate reactions, sulphate corrosion and fatigue behaviour. Most studies have shown that the long-term properties of RAC are inferior to those of natural aggregate concrete (NAC), and some researchers have observed that the long-term properties are better than those of NAC. RAC's long-term properties are affected by many factors such as recycled coarse aggregate (RCA) replacement percentage, water-cement ratio, mineral admixtures and mix proportions. The long-term properties of RAC can be improved through better control of these factors. This paper will be helpful for a comprehensive understanding of and further research on RAC, and provides an important basis and references for the engineering applications of RAC.
Source:	Structural Concrete 15 (2014), No. 1
Page/s:	3-12
Language of Publication:	English

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