а. Zw, L? 3u, 12 32 32 w„L? USE: 8 1 3w„L? 3 Pt of lateral L/4 L/4 L/4 L14 bracing 32 32 12.5M, max C = 2.5M max + 3M + 4MB + 3Mc 12.5 8. C, = 1.14 2.5 8 32 3 + 4 + 3 32 b. Wy L 96 24 w„L? USE: 12 1. 96 12 w„L? L/4 L/4 L/4 L/4 96 96 12 12 Pt of lateral w„L? bracing 24 24 125 (4) C, = 2.38 1 + 4 96 1 + 3 96 2.5 + 3 ||

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Determine Cb for the beam shown in Fig. 9.8 parts (a) and (b). Assume the beam is a doubly symmetric member.

а.
Zw, L?
3u, 12
32
32
w„L?
USE:
8
1
3w„L?
3
Pt of lateral
L/4
L/4
L/4
L14
bracing
32
32
12.5M,
max
C =
2.5M max + 3M + 4MB + 3Mc
12.5
8.
C, =
1.14
2.5
8
32
3
+ 4
+ 3
32
b.
Wy L
96
24
w„L?
USE:
12
1.
96
12
w„L?
L/4
L/4
L/4
L/4
96
96
12
12
Pt of lateral
w„L?
bracing
24
24
125 (4)
C, =
2.38
1
+ 4
96
1
+ 3
96
2.5
+ 3
||
Transcribed Image Text:а. Zw, L? 3u, 12 32 32 w„L? USE: 8 1 3w„L? 3 Pt of lateral L/4 L/4 L/4 L14 bracing 32 32 12.5M, max C = 2.5M max + 3M + 4MB + 3Mc 12.5 8. C, = 1.14 2.5 8 32 3 + 4 + 3 32 b. Wy L 96 24 w„L? USE: 12 1. 96 12 w„L? L/4 L/4 L/4 L/4 96 96 12 12 Pt of lateral w„L? bracing 24 24 125 (4) C, = 2.38 1 + 4 96 1 + 3 96 2.5 + 3 ||
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