Page 406 - Advanced Design Examples of Seismic Retrofit of Structures

1.5 1.5 Δ Dy Δ Sy 0.57 0.39
α
(m 4 ) 37.5
I y 2.1
(m 4 ) 92.4 91.7 Δ Dx Δ Sx 1.43 0.33
I x
(MPa)
ω y 73 15 Δ S flexible

(MPa) ( Δ D ) 2.0
ω x 35 24 If then

Buildings F py (ton) 1256 246

Retrofitted F px (ton) 1369 241 (Δ D /Δ S ) 0.5 rigid

the E (GPa) 3.3 3.3 If then
of
Story G (GPa) 1.3 1.3 Δ Sx (cm) 1.38 1.10

Floor

the A y (m 2 ) 0.67 1.76 Δ Sx (cm) 0.94 1.28
in 11.00
Flexibility A x (m 2 ) (m) 2.37 Δ Dx (cm) (cm) 0.80 1.34 0.44 0.43

Diaphragms’ H L (m) 39 17 10 16 Δ Dx Δ fy (cm) 0.19 0.10

the (cm 4 )
of I 2160 1000 Δ fx (cm) 0.32 0.10
Determination H(m) 6.1 16.0 Δ ay (cm) 0.61 0.33

t (cm) 11 11 Δ ax (cm) 1.02 0.32
5.33
TABLE Building Main Sports Main Sports