Variable list
Wind zone map of DIN 1055-4:2005-03
|
Wind Zone |
Vref in m/s |
Qref in kN/m² |
|
1 |
22,5 |
0,316 |
|
2 |
25,0 |
0,391 |
|
3 |
27,5 |
0,473 |
|
4 |
30,0 |
0,563 |
Figure A.1 - Wind zone map for the territory of the Federal Republic of Germany
Table B.1 - Terrain categories
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Terrain category I Open sea; lakes with at least 5 km of open area downwind; smooth, flat land with no obstructions
Roughness length z0 = 0.01 m
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Terrain category II Terrain with hedges, individual farmsteads, houses or trees, e.g. agricultural area
Roughness length z0 = 0.05 m
|
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Terrain category III Suburbs, industrial or commercial areas; forests.
Roughness length z0 = 0.30 m
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Terrain category IV Urban areas where at least 15% of the area is covered with buildings whose average height exceeds 15 m.
Roughness length z0 = 1.00 m
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From: DIN 1055-4:2005-03