Properties of concrete containing recycled concrete aggregate of preserved quality

Construction and Building Materials(2016)

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摘要
•The properties of concrete with two types of recycled concrete aggregates (RCA) were investigated.•A protocol was stablished to preserve the quality of recycled concrete when producing RCA.•Preserved-quality RCA has lower absorption and abrasion compared to other RCA.•Concrete with preserved-quality RCA has better properties than concrete with commercial RCA.•Concrete with 30% preserved-quality coarse RCA was similar to concrete with natural aggregates.
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关键词
Recycled concrete aggregate,Salt scaling,Shrinkage,Strength,Permeability
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