Table 4 Comparison of reinforcement layout of ARCP design with those of the CRCP design for 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 | 9 | 6 |
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 | – | 8 | 11 |
Steel ratio between active crack locations (%) | 0.75 | 0.40 | 0.27 |
Total amount of steel (kg/m3) | 60.37 | 45.64 | 40.37 |
Steel reduction relative to CRCP (%) | – | 24.39 | 33.12 |
