Table 2 Evaluation grades based on ratio of measured to designed member strength (KISTEC 2009)
Grade | Ranges of grades | Evaluation score |
|---|---|---|
A | SR ≥ 100% (in perfect condition) | 1 |
B | SR ≥ 100% (with slight damage) | 3 |
C | 85% ≤ SR < 100% | 5 |
D | 70% ≤ SR < 85% | 7 |
E | SR < 70% | 9 |