a6 european ground snow load maps presented in ... 6 frpt i.pdf · a6 european ground snow load...
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A6 European Ground Snow Load Maps Climatic regions are grouped by type of curve (quadratic, linear, horizontal). Each group is presented in alphabetical order.
A6.1 Snow Loads Maps for each climatic region
ALPINE REGION
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(black line = zone limit) (red line = representative altitude - snow load relationship for the corresponding zone) PARAMETERS:
Climatic Region Function Type
amin amax b
Alpine Region Q 0.33 3.52 723
Zone
Number Z=1 Z=2 Z=3 Z=4 Z=5
r 0.965239 0.969029 0.990730 0.992836 0.997646
r = correlation coefficient (snow load values / representing function) H = horizontal line, no altitude - snow load relationship L = linear function Q = quadratic function REPRESENTATIVE SNOW LOAD FOR ZONE Z AT ALTITUDE A:
( ) [ ]s ZA
= + − − +
( . . * . . / )0 33 0 5 352 0 33 5 1
723
2
s = Snow Load (KN/m2) A = Altitude above Sea Level (m) Z = Zone Number
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CLIMATIC REGION: CENTRAL EAST
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(black line = zone limit) (red line = representative altitude - snow load relationship for the corresponding zone) PARAMETERS:
Climatic Region Function Type
amin amax b
Central East Q 0.13 1.45 256
Zone
Number Z=1 Z=2 Z=3 Z=4.5
r 0.965375 0.977156 0.993785 0.981885
r = correlation coefficient (snow load values / representing function) H = horizontal line, no altitude - snow load relationship L = linear function Q = quadratic function REPRESENTATIVE SNOW LOAD FOR ZONE Z AT ALTITUDE A:
( ) [ ]s ZA
= + − − +
( . . * . . / )013 0 5 145 013 5 1
256
2
s = Snow Load (KN/m2) A = Altitude above Sea Level (m) Z = Zone Number
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CLIMATIC REGION: GREECE
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(black line = zone limit) (red line = representative altitude - snow load relationship for the corresponding zone) PARAMETERS:
Climatic Region Function Type
amin amax b
Greece Q 0.18 2.28 916
Zone Number Z=1 Z=2 Z=4
r 0.849836 0.900579 0.574272
r = correlation coefficient (snow load values / representing function) H = horizontal line, no altitude - snow load relationship L = linear function Q = quadratic function REPRESENTATIVE SNOW LOAD FOR ZONE Z AT ALTITUDE A:
( ) [ ]s ZA
= + − − +
( . . * . . / )018 0 5 2 28 018 5 1
916
2
s = Snow Load (KN/m2) A = Altitude above Sea Level (m) Z = Zone Number
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CLIMATIC REGION: IBERIAN PENINSULA
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(black line = zone limit) (red line = representative altitude - snow load relationship for the corresponding zone) PARAMETERS:
Climatic Region Function Type
amin amax b
Iberian Peninsula Q 0 0.94 521
Zone Number Z=1 Z=2 Z=4
r 0.855967 0.959583 0.743993
r = correlation coefficient (snow load values / representing function) H = horizontal line, no altitude - snow load relationship L = linear function Q = quadratic function REPRESENTATIVE SNOW LOAD FOR ZONE Z AT ALTITUDE A:
( ) [ ]s ZA
= + − − +
( . * . / )0 0 5 0 94 0 5 1
521
2
s = Snow Load (KN/m2) A = Altitude above Sea Level (m) Z = Zone Number
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CLIMATIC REGION: MEDITERRANEAN REGION
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(black line = zone limit) (red line = representative altitude - snow load relationship for the corresponding zone) PARAMETERS:
Climatic Region Function Type
amin amax b
Mediterranean Region Q 0.04 1.95 370
Zone
Number Z=1 Z=2 Z=3 Z=4.5
r 0.967808 0.964791 0.989108 0.910892
r = correlation coefficient (snow load values / representing function) H = horizontal line, no altitude - snow load relationship L = linear function Q = quadratic function REPRESENTATIVE SNOW LOAD FOR ZONE Z AT ALTITUDE A:
( ) [ ]s ZA
= + − − +( . . * . . / )0 04 0 5 195 0 04 5370
s = Snow Load (KN/m2) A = Altitude above Sea Level (m) Z = Zone Number
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Linear Function: CLIMATIC REGION: CENTRAL WEST
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(black line = zone limit) (red line = representative altitude - snow load relationship for the corresponding zone) PARAMETERS:
Climatic Region Function Type
amin amax b
Central West L 0.01 0.82 979
Zone
Number Z=1 Z=2 Z=3 Z=4.5
r 0.963995 0.941009 0.915297 0.895668
r = correlation coefficient (snow load values / representing function) H = horizontal line, no altitude - snow load relationship L = linear function Q = quadratic function REPRESENTATIVE SNOW LOAD FOR ZONE Z AT ALTITUDE A:
( ) [ ]s ZA
= + − − +( . . * . . / )0 01 0 5 0 82 0 01 5979
s = Snow Load (KN/m2) A = Altitude above Sea Level (m) Z = Zone Number
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CLIMATIC REGION: SWEDEN, FINLAND
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(black line = zone limit) (red line = representative altitude - snow load relationship for the corresponding zone) PARAMETERS:
Climatic Region Function Type
amin amax b
Sweden, Finland L 0.88 4.03 324
Zone
Number
Z=1 Z=2 Z=3 Z=4.5
r 0.959375 0.847081 0.880184 0.938354
r = correlation coefficient (snow load values / representing function) H = horizontal line, no altitude - snow load relationship L = linear function Q = quadratic function REPRESENTATIVE SNOW LOAD FOR ZONE Z AT ALTITUDE A:
( ) [ ]s ZA
= + − − +( . . * . . / )0 88 05 4 03 0 88 5324
s = Snow Load (KN/m2) A = Altitude above Sea Level (m) Z = Zone Number
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CLIMATIC REGION: UK, EIRE
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(black line = zone limit) (red line = representative altitude - snow load relationship for the corresponding zone) PARAMETERS:
Climatic Region Function Type
amin amax b
UK, Eire L -0.11 0.68 512
Zone
Number Z=1 Z=2 Z=3 Z=4 Z=5
r 0.978893 0.956928 0.959077 0.974603 0.976574
r = correlation coefficient (snow load values / representing function) H = horizontal line, no altitude - snow load relationship L = linear function Q = quadratic function REPRESENTATIVE SNOW LOAD FOR ZONE Z AT ALTITUDE A:
( ) [ ]s ZA
= − + − + +( . . * . . / )011 0 5 0 68 011 5512
s = Snow Load (KN/m2) A = Altitude above Sea Level (m) Z = Zone Number
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No Altitude-Snow Load Relationship: CLIMATIC REGION: ICELAND
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(black line = zone limit) (red line = characteristic snow load for the corresponding zone) PARAMETERS:
Climatic Region Function Type
amin amax b
Iceland H - - -
H = horizontal line, no altitude - snow load relationship L = linear function Q = quadratic function CHARACTERISTIC SNOW LOAD FOR ZONE Z: No altitude - snow load relationship. The characteristic snow load value for a zone is the middle value:
Z=1 Z=2 Z=3 Z=4 Z=5 2 KN/m2 4 KN/m2 6 KN/m2 8 KN/m2 13 KN/m2 Z = Zone Number
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CLIMATIC REGION: NORWAY
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(black line = zone limit) (red line = characteristic snow load for the corresponding zone) PARAMETERS:
Climatic Region Function Type
amin amax b
Norway H - - -
H = horizontal line, no altitude - snow load relationship L = linear function Q = quadratic function CHARACTERISTIC SNOW LOAD FOR ZONE Z: No altitude - snow load relationship. The characteristic snow load value for a zone is the middle value:
Z=1 Z=2 Z=3 Z=4 Z=5 1.75 KN/m2 3.25 KN/m2 4.75 KN/m2 6.25 KN/m2 9 KN/m2
Z = Zone Number
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A6.2 Standardised Scatterplots for each climatic region
Climatic regions are grouped by type of curve (quadratic, linear, horizontal). Each group is presented in alphabetical order.
Quadratic Function:
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Linear Function:
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No Altitude - Snow Load Relationship:
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A6.3 Summary Table: Basic Parameters
Climatic Region Function Type
amin amax b r1 r2 r3 r4 r5
Alpine Region Q 0.33 3.52 723 0.965239 0.969029 0.990730 00.992836
0.997646
Central East Q 0.13 1.45 256 0.965375 0.977156 0.993785 0.981885 -
Greece Q 0.18 2.28 916 0.849836 0.900579 0.574272 - -
Iberian Peninsula Q 0 0.94 521 0.855967 0.959583 0.743993 - -
Mediterranean Region Q 0.04 1.95 370 0.967808 0.964791 0.989108 0.910892 -
Central West L 0.01 0.82 979 0.963995 0.941009 0.915297 0.895668 -
Sweden, Finland L 0.88 4.03 324 0.959375 0.847081 0.880184 0.938354 -
UK, Eire L -0.11 0.68 512 0.978893 0.956928 0.959077 0.974603 0.976574
Iceland H - - -
Norway H - - -
H = horizontal line, no altitude - snow load relationship L = linear function Q = quadratic function amax, amin = max and min of parameter a b = parameter b r =correlation coefficients (snow load/representative function) for every zone from the lowest zone number (r1) to the highest
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A6.4 Summary Table: Altitude - Snow Load Relationship
Climatic Region FORMULA
Alpine Region ( ) [ ]s ZA
= + − − +
( . . * . . / )0 33 0 5 352 0 33 5 1
723
2
Central East ( ) [ ]s ZA
= + − − +
( . . * . . / )013 0 5 145 013 5 1
256
2
Greece ( ) [ ]s ZA
= + − − +
( . . * . . / )018 0 5 2 28 018 5 1
916
2
Iberian Peninsula ( ) [ ]s ZA
= + − − +
( . * . / )0 05 0 94 0 5 1
521
2
Mediterranean Region ( ) [ ]s ZA
= + − − +
( . . * . . / )0 04 0 5 195 0 04 5 1
370
2
Central West ( ) [ ]s ZA
= − + − + +( . . * . . / )0 01 05 082 0 01 5979
Sweden, Finland ( ) [ ]s ZA
= + − − +( . . * . . / )0 88 05 4 03 0 88 5324
UK, Eire ( ) [ ]s ZA
= − + − + +( . . * . . / )011 0 5 0 68 011 5512
Iceland -
Norway -
s = Snow Load (KN/m2) A = Altitude above Sea Level (m) Z = Zone Number