Mixed recycled aggregate (MRA) is a kind of recycled aggregate containing discarded bricks and other impurities that is inferior to ordinary recycled concrete aggregate. To study the effect of MRA in concrete, specimens with 100% MRA under different water–cement ratios (W/C) of,, and were prepared, and the mechanical properties and microstructure were tested.
Associate Professor, Space Structures Research Center, Dept. of Civil Engineering, Zhejiang Univ., Hangzhou 310058, China (corresponding author).
· Electronic address: gufu (4)Department of Industrial and System Engineering, Zhejiang University, Hangzhou 310027, China; Key Laboratory of Advanced Manufacturing Technology of Zhejiang Province, School of Mechanical Engineering, Zhejiang University, Hangzhou 310027, China.
Structural appliions of recycled aggregate concrete (RAC) have been rare in practice owing to its inferior strength and durability compared with natural aggregate concrete (NAC). Among the various methods attempted to facilitate the wider structural appliions of RAC, the newly proposed method of fiber reinforced polymer (FRP) jacketing is particularly attractive due to the dual benefits ...
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waste is the secondlargest source of China's construction and demolition waste. Reprocessing waste into recycled aggregate (RBA) to fabrie new concrete [, recycled aggregate concrete (RBAC)] has proved to be an effective solution. RBAC is generally used as nonstructural concrete owing to its inferior mechanical ...
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· LI J, XIAO H, ZHOU Y. Influence of coating recycled aggregate surface with pozzolanic powder on properties of recycled aggregate concrete [J]. Construction and Building Materials, 2009, 23(3): 1287–1291. Article Google Scholar  HANSEN T C. RILEM: Recycling of demolished concrete and masonry [R]. London: Chapman Hall, 1992. Google Scholar  ETXEBERRIA M, VÁZQUEZ .
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· Since China hosted the Olympic Games in 2008, a mass of construction and demolition (CD) wastes were produced with the rapid urbanization construction. Recycling the CD waste into recycled aggregates (RA) is an effective method for reducing the amount of CD wastes. Many studies on the properties of RA and the durability of recycled aggregate concrete (RAC) were conducted in China .
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