Properties of concrete made with recycled aggregate from partially hydrated old concrete

By A. Katz. 2003

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Physical, chemical and mineralogical properties of fine recycled aggregates made from concrete waste (2015, positive): “Density and water absorption The standard test for density and water absorption evaluation presents issues when applied to FRA, resulting from the cohesive and binding ability introduced by the presence of partially hydrated cement [31,57] and also from the presence of filler with size range below 6”
Compressive and flexural behaviours of a new steel-fibre-reinforced recycled aggregate concrete with crumb rubber (2015, background): “The use of RA in concrete decreases its strength and modulus of elasticity compared with those of natural aggregate concrete (NAC) [3–5,7–11].”
Recycled Concrete as Aggregate for Structural Concrete Production (2010, background): “In [26] was concluded that the air content of the RAC is higher than concrete made with NA at 100% replacement.”
Mechanical and durability properties of concrete based on recycled coarse and fine aggregates produced from demolished concrete (2020, background): “In another study also conducted by Katz [34], which produced completely recycled mixes and observed a decrease of fresh density from around 2400 kg/m3 to 2150 kg/m3.”
Mechanical and durability performance of concrete incorporating fine recycled concrete and glass aggregates (2014, background): “Furthermore, the presence of unhydrated cement in RC aggregate improves the properties of concrete made with RC aggregate [7].”