Table 5 Air content and slump measurement results.
Specimen ID | Air content (%) | Slump (mm) | ||
|---|---|---|---|---|
Measured | Avg. (COV) | Measured | Avg. (COV) | |
NS concrete | ||||
 30-R0 | 5.2 | 5.3 ± 0.21 (4.0%) | 210 | 214 ± 5.5 (2.6%) |
 30-R15 | 5.6 | 220 | ||
 30-R30 | 5.0 | 220 | ||
 30-R50 | 5.3 | 215 | ||
 30-R100 | 5.5 | 205 | ||
HS concrete | ||||
 60-R0 | 3.7 | 3.3 ± 0.24 (7.2%) | 220 | 217 ± 2.4 (1.1%) |
 60-R15 | 3.3 | 215 | ||
 60-R30 | 3.0 | 215 | ||
 60-R50 | 3.5 | 220 | ||
 60-R100 | 3.2 | 215 | ||