Table 9 Comparison of recommended values and regulatory values.
Specimen | Hole rate (%) | Strength grade of concrete | Strength grade of block | Calculated value | Regulatory value | |
|---|---|---|---|---|---|---|
Strength grade of mortar ≥ M5 | Strength grade of mortar = M2.5 | |||||
SK1 | 13.08 | C25 | A3.5 | 0.06 | 0.05 | 0.03 |
SK2 | 8.37 | C25 | A3.5 | 0.05 | ||