Table 6 Comparison of reinforcement layout details of the ARCP design for a steel ratio of 0.67% with those of the CRCP design having 0.75% steel ratio.
Layout design | CRCP | ARCP-1 | ARCP-2 |
|---|---|---|---|
Slab width (mm) | 1800 | 1800 | 1800 |
Slab length (mm) | 2400 | 2400 | 2400 |
Saw-cut spacing (mm) | 1200 | 1200 | 1200 |
Continuous-length steel bar diameter (mm) | 20 | 16 | 16 |
Continuous-length steel bar length (mm) | 2400 | 2400 | 2400 |
Number of continuous-length steel bar rows | 11 | 8 | 5 |
Steel ratio at active crack locations (%) | 0.75 | 0.75 | 0.75 |
Partial-length steel bar diameter (mm) | – | 16 | 16 |
Partial-length steel bar length (mm) | – | 600 | 600 |
Number of partial-length steel bar rows | – | 7 | 10 |
Steel ratio between active crack locations (%) | 0.75 | 0.36 | 0.22 |
Total amount of steel (kg/m3) | 60.37 | 40.37 | 35.11 |
Steel reduction relative to CRCP (%) | – | 33.12 | 41.84 |