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Transformed top flange width (into timber), bef.c.tfd

Area of top flange in compression, Aef.f.c

Transformed bottom flange width (into timber), bef.t.tfd

Area of bottom flange in tension, Aef.f.t

Area of the web, Aef.w Area of the transformed section, Aef bef.c.tfd = I bef.

E 2P

E0.mean

Aef = Aef.f.c + Aef.f.t + Aef.w bef,t,tfd = 634.74 mm

First moment of area of the section about the top face A1st

/ hbf\ / h w Aist = bef,t,tfd ■ hbf ■ ( h - — I + bw.eff ■ hw ■ I — + htf

Neutral axis depth yt —

from the top face, yt

Second moment of area of the web, /ef.w bw.eS • hW A . Jet.w — 12 + ei.w

Second moment of area of the top flange, /ef.f.t.f bef.c.tfd • ht3 /ef.f.t.f — -12--+ Aef.f.c '

Second moment of area of panel, the bottom flange,

0 0

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