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Gabion Wall
EN 1998-5 Seismic effects
If the coefficients kh and kv are not obtained from measurements it is necessary, providing the analysis is carried out according to 1998-5 Eurocode 8: Design of structures for earthquake resistance - Part 5: Foundations, retaining structures and geotechnical aspects, to input these coefficients as follows:
| where: | α | - | ratio of the design ground acceleration on type A ground (ag / g) |
| S | - | soil factor defined in EN 1998-1:2004, chapter 3.2.2.2 | |
| R | - | factor for the calculation of the horizontal seismic coefficient – see tab. |
| for: |
|
|
| for other cases: |
|
| Type of sheeting structure | R |
Free gravity walls that can accept a displacement up to
|
2 |
Free gravity walls that can accept a displacement up to
|
1,5 |
| Flexural reinforced concrete walls, anchored or braced walls, reinforced concrete walls founded on vertical piles, restrained basement walls and bridge abutments | 1 |
More detailed description can be found in EN 1998-5 chapter 7.3.2.2 Seismic effects
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