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Wind Resistant Design AIJ Recommendations for Wind Loads on ...

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C ′<br />

φ D<br />

R D<br />

GLF <str<strong>on</strong>g>for</str<strong>on</strong>g> Al<strong>on</strong>g-wind <str<strong>on</strong>g>Loads</str<strong>on</strong>g><br />

<strong>on</strong> Ordinary Buildings<br />

'<br />

g<br />

2<br />

GD = 1+ gD 1+φD RD<br />

Cg<br />

g D<br />

and<br />

g<br />

C g<br />

C<br />

: Peak factor<br />

: Fluctuating and mean<br />

coefficients <str<strong>on</strong>g>for</str<strong>on</strong>g> al<strong>on</strong>g-<br />

wind OTM<br />

: Correcti<strong>on</strong> factor depending<br />

<strong>on</strong> mode shape<br />

: Res<strong>on</strong>ance factor<br />

<str<strong>on</strong>g>Wind</str<strong>on</strong>g> <str<strong>on</strong>g>Loads</str<strong>on</strong>g> <strong>on</strong> Roof<br />

Structures W R (N)<br />

W = q<br />

q H<br />

C<br />

R<br />

G R<br />

A R<br />

R<br />

H<br />

C<br />

R<br />

G<br />

: Velocity pressure at reference<br />

height H<br />

C :<br />

pe<br />

− C<br />

pi<br />

Aerodynamic shape factor<br />

: Gust loading factor<br />

: Subjected area <str<strong>on</strong>g>for</str<strong>on</strong>g> roof beam<br />

=<br />

R<br />

A<br />

R<br />

20

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