Table 3 Slump and air content losses depending on the elapsed time.
From: Characterization of Recycled Coarse Aggregate (RCA) via a Surface Coating Method
Types | Slump (mm) | Slump loss (mm) | Air content (%) | Air content loss (%) | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
0Â min | 30Â min | 60Â min | 30Â min | 60Â min | 0Â min | 30Â min | 60Â min | 30Â min | 60Â min | |
Control | 165 | 140 | 130 | 25 | 35 | 5.8 | 5.2 | 4.9 | 0.6 | 0.9 |
RCA 100Â % | 170 | 100 | 60 | 70 | 110 | 5.4 | 4.4 | 3.3 | 1.0 | 2.1 |
CRCA 25Â % | 175 | 150 | 145 | 25 | 30 | 5.6 | 4.9 | 4.4 | 0.7 | 1.2 |
CRCA 50Â % | 175 | 165 | 160 | 10 | 15 | 4.9 | 4.4 | 4.2 | 0.5 | 0.7 |
CRCA 75Â % | 170 | 170 | 160 | 0 | 10 | 5.3 | 5.3 | 4.9 | 0 | 0.4 |
CRCA 100Â % | 175 | 170 | 170 | 5 | 5 | 5.5 | 5.4 | 5.1 | 0.1 | 0.4 |