Wind Resistant Design AIJ Recommendations for Wind Loads on ...
Wind Resistant Design AIJ Recommendations for Wind Loads on ...
Wind Resistant Design AIJ Recommendations for Wind Loads on ...
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<str<strong>on</strong>g>Wind</str<strong>on</strong>g> Speed Profile Factor E<br />
E r<br />
E g<br />
E = E r E g<br />
: Exposure factor <str<strong>on</strong>g>for</str<strong>on</strong>g> flat terrains<br />
: Topography factor <str<strong>on</strong>g>for</str<strong>on</strong>g> mean<br />
wind speed<br />
E<br />
r<br />
Z G<br />
Z b<br />
Exposure Factor<br />
<str<strong>on</strong>g>for</str<strong>on</strong>g> Flat Terrains E r<br />
α<br />
⎧ ⎛ Z ⎞<br />
⎪1.7<br />
< ≤<br />
⎪<br />
⎜<br />
⎟ Z<br />
b<br />
Z Z<br />
=<br />
⎝ Z<br />
G ⎠<br />
⎨<br />
α<br />
⎪ ⎛ Z<br />
b<br />
⎞<br />
⎪<br />
1.7<br />
⎜<br />
⎟ Z ≤ Z<br />
b<br />
⎩ ⎝ Z<br />
G ⎠<br />
: Gradient height<br />
: Interfacial layer height<br />
G<br />
13
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