Perform static analysis on two-story structure;
Roof Level
Transverse direction:
1-ft = 0.30m
wu = Ftrans/2L =2.34k/30'= 78 plf (1.14KN/m)
Lateral load:
w u L2 78plf (15' ) 2
= 2,194 ft - lbs (2.98KN-m)
Mu =
=
Diaphragm moment:
8
8
M u 2,194 ft - lbs
T=C=
=
= 73 - lb (0.32KN)
Chord forces:
d
30'
Reactions on moment frames:
End frames;
R3 = R5 = wux(tributary length) = 78plf(7.5' = 585-lb (2.60KN)
)
Interior frame; R4 = 78plf(15' = 1,170-lb (5.20KN)
)
Unit shear:
v = R/d = 585-lb/30'= 19.5 plf (0.28KN/m)
Longitudinal direction:
1-ft = 0.30m
H4-14
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