Earthquake Page EC
The earthquake load is applied according to EC 1998-1 and EC 1998-2
| Setting | Description |
|---|---|
| Acceleration coefficient | An estimated value is given here as default, since the Eurocode does not recommend any specific values. However, they might be given in the particular National Annexes. |
| Damping | Default value for concrete bridges (see EC1998-1 3.2.2.2). |
| Importance factor | Default value for bridge importance category "average" (see EC1998-2 2.1 (3)). |
| Vertical Earthquake | Yes/No selects whether the vertical earthquake load shall be applied or not. |
| Factor | Recommended value describing the vertical response spectrum for Type1 (see EC1998-1, 3.2.2.3, Table 3.4). |
| Drawing | Graphical display of the response spectrum. If vertical response spectrum is selected, too, it will be displayed in addition. |