Page 233 - Advanced Design Examples of Seismic Retrofit of Structures

a (cm) 30.92 30.51 30.92 30.51 31.96 30.51 31.96 30.51 30.92 30.51 30.92 30.51

R 1 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5

R 2 1 1 1 1 1 1 1 1 1 1 1 1
0.0308 0.0319 0.0308 0.0319 0.0284 0.0319 0.0284 0.0319 0.0308 0.0319 0.0308 0.0319
λ l
(degree) 27.41 27.41 27.41 27.41 27.41 27.41 27.41 27.41 27.41 27.41 27.41 27.41

θ

t inf (cm) 20 20 20 20 20 20 20 20 20 20 20 20

r inf (cm) 608.28 608.28 608.28 608.28 608.28 608.28 608.28 608.28 608.28 608.28 608.28 608.28

I col2min (cm 4 ) 8868 7776 8868 7776 12,367 7776 12,367 7776 8868 7776 8868 7776

I col2left (cm 4 ) 8868 12,367 8868 13,503 12,367 14,032 12,367 14,032 8868 13,503 8868 13,503

Struts—cont’d I col2left Col (cm 4 ) Direction 12,367 7776 13,503 7776 14,032 7776 14,032 7776 13,503 7776 13,503 7776

Equivalent Col Sec (right) Y 2UNP18PL22X1 Y 2UNP22PL24X1 Y 2UNP18PL22X1 Y 2UNP24PL22X1 Y 2UNP22PL24X1 Y 2UNP24PL24X1 Y 2UNP22PL24X1 Y 2UNP24PL24X1 Y 2UNP18PL22X1 Y 2UNP24PL22X1 Y 2UNP18PL22X1 Y 2UNP24PL22X1

Their

of 2UNP22PL24X1 2UNP18PL16X1 2UNP24PL22X1 2UNP18PL16X1 2UNP24PL24X1 2UNP18PL16X1 2UNP24PL24X1 2UNP18PL16X1 2UNP24PL22X1 2UNP18PL16X1 2UNP24PL22X1 2UNP18PL16X1
Width Col Sec (left)

Effective h col (cm) 320 320 320 320 320 320 320 320 320 320 320 320

the L inf (cm) 540 540 540 540 540 540 540 540 540 540 540 540
and
Panels h inf (cm) 280 280 280 280 280 280 280 280 280 280 280 280

Infill Opening None None None None None None None None None None None None
4.9 Axis A- 1-3 A- 4-5 B- 1-3 B- 4-5 C- 1-3 C- 4-5 F-1- 3 F-4- 5 G- 1-3 G- 4-5 H- 1-3 H- 4-5
TABLE Story 2nd 2nd 2nd 2nd 2nd 2nd 2nd 2nd 2nd 2nd 2nd 2nd