Research Article
Seismic Response Analysis of Pier considering Durability Damage Repair
Table 4
Environmental grade and parameters of chloride erosion.
| Environmental category | Environmental grade | Environmental condition | t1(a) |
| Offshore atmospheric environment | IIIa | Within one kilometer from the coast | 20∼30 | IIIb | Within one kilometer from the coast | 15∼20 | IIIc | Within one kilometer from the coast | 10∼15 | IIId | Within one kilometer from the coast | 10 |
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