Table 1 Site adjustment coefficients of PGA from site class II to other site classes recommended in GB 18306-201580
From: Can we develop a more targeted approach to mitigating seismic risk?
Site Class | PGA Based on Site Class II | |||||
|---|---|---|---|---|---|---|
≤0.05 g | (0.05, 0.1 g] | (0.1 g, 0.15 g] | (0.15 g, 0.2 g] | (0.2 g, 0.3 g] | ≥0.3 g | |
I0 | 0.72 | 0.74 | 0.75 | 0.76 | 0.85 | 0.90 |
I1 | 0.80 | 0.82 | 0.83 | 0.85 | 0.95 | 1.00 |
II | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 |
III | 1.30 | 1.25 | 1.15 | 1.00 | 1.00 | 1.00 |
IV | 1.25 | 1.20 | 1.10 | 1.00 | 0.95 | 0.90 |
