Influence of parent concrete on the properties of recycled aggregate concrete

By A. Padmini, K. Ramamurthy, M. Mathews. 2009

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Influence of field recycled coarse aggregate on properties of concrete (2011, background): “absorption of recycled aggregates increases with an increase in strength of concrete from which the recycled coarse aggregates are derived [31].”
Performance of concrete made with aggregates recycled from precasting industry waste: influence of the crushing process (2015, background): “As for the smaller particles (lower than 2 mm), many researchers consider their use inadequate for concrete [16, 40].”
Mechanical strength and drying shrinkage properties of concrete containing treated coarse recycled concrete aggregates (2014, background): “Thus, compared with natural aggregates, RCA are characterized by lower density, lower specific gravity, higher water absorption, and higher porosity [10,11,16,18,19].”
Use of recycled concrete aggregate in concrete: a review (2013, methodology): “Padmini et al. (2009) found that RCA concrete requires lower water to cement ratio and higher cement content as compared to the parent concrete of RCA to achieve a particular compressive strength.”
Influence of silica fume on mechanical and physical properties of recycled aggregate concrete (2015, background): “Recycled aggregate surface coated with mortar phase has a higher porosity than aggregate phase [2,34].”