Research Article
A Comparative Study on the VS30 and N30 Based Seismic Site Classification in Kahramanmaras, Turkey
Table 2
Definition of NEHRP site classes in terms of
VS30 and
N30 [
3].
| | Site class | General description | VS30 (m/s) | N30 |
| | A | Hard rock | >1500 | — | | B | Rock | 760 < VS30 ≤ 1500 | — | | C | Very dense soil and soft rock | 360 < VS30 ≤ 760 | >50 | | D | Stiff soil | 180 < VS30 ≤ 360 | 15 ≤ N30 ≤ 50 | | E | Soft soil | VS30 < 180 | ˂15 |
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