Page 251 - Advanced Design Examples of Seismic Retrofit of Structures

(KL/ r) max 41.3 39.1 39.1 41.3

(KL/ r) 2 35.8 34 34 35.8

(KL/ r) 3 41.3 39.1 39.1 41.3

K 2 1 1 1 1

K 3 1 1 1 1
(cm 3 ) 899.1 853.1 853.1 899.1
Z Y

(cm 3 ) 816.1 778.1 778.1 816.1
Z X

(cm 3 ) 722.9 682.2 682.2 722.9
S Y

(cm 3 ) 704.2 668.1 668.1 704.2
S X

(cm 2 ) 103.92 99.92 99.92 103.92
A
(cm) 9.51 9.42 9.42 9.51
r 2 (cm) 8.23 8.18 8.18 8.23

Columns—cont’d r 3 t w (cm) 1.6 1.6 1.6 1.6

the h (cm) (cm) 20 20 20 20
of t f 2.1 2.1 2.1 2.1
Section b f (cm) 26 26 26 26

Compact L (cm) 340 320 320 340

the Section 2UNP18PL24X1 2UNP18PL22X1 2UNP18PL22X1 2UNP18PL24X1
Checking

4.14 Column C27 C28 C28 C28
TABLE Story STORY1 STORY3 STORY2 STORY1