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Eurocode Snow loads - Characteristic values by zone and altitude's effect on the loads

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Snow loads map and effect of altitude to consider in France

Snow loads map to consider in France
Snow loads values in kN/m², by zone according to NF EN 1991-1-3/NA (05 2007)
Zones A1 A2 B1 B2 C1 C2 D E
Characteristic value (Sk) of the snow load on the ground to an altitude below 200 m 0,45 0,45 0,55 0,55 0,65 0,65 0,90 1,40
Design value (SAd) of exceptional snow load on the ground - 1,00 1,00 1,35 - 1,35 1,80 -
Characteristic load variation laws for altitudes above 200 m Sk + ΔS1 Sk + ΔS2

Altitude effect
Altitude A ΔS1 ΔS2
from 200 to 500 m
from 500 to 1000 m
from 1000 to 1500 m

Snow loads map and effect of altitude to consider in Belgium

Snow loads map to consider in Belgium
Snow loads values in kN/m², by zone according to NBN EN 1991-1-3 ANB (10 2007)
Zones whole territory
Characteristic value (Sk) of the snow load on the ground to an altitude below 100 m 0,50
Design value (SAd) of exceptional snow load on the ground -
Characteristic load variation law for altitudes above 100 m

Snow loads map and effect of altitude to consider in United Kingdom

Snow loads map to consider in United Kingdom
Snow loads values in kN/m², by zone according to NA to BS EN 1991-1-3 (06 2007)
Zones Z 1 2 3 4 5 6.5
Characteristic value (Sk) of the snow load on the ground to an altitude below 100 m
Design value (SAd) of exceptional snow load on the ground -
Characteristic load variation law for altitudes above 100 m
See also
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