The signboard truss is designed to support a horizontal wind load of 775 lb. A separate analysis shows that 5/8 of this force is transmitted to the center connection at C and the rest is equally divided between D and B. Calculate the forces in members BE and BC. The forces are positive if in tension, negative if in compression. 775 lb Answers: B 7.2' G 7.2' 3.6' F T 6.0' 6.0' 6.0' BE= i lb BC= lb

Structural Analysis
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ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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The signboard truss is designed to support a horizontal wind load of 775 lb. A separate analysis shows that 5/8 of this force is
transmitted to the center connection at C and the rest is equally divided between D and B. Calculate the forces in members BE and BC.
The forces are positive if in tension, negative if in compression.
D
6.0'
C
E
775 lb
Answers:
BE =
6.0'
B
F
7.2'
-7.2'3.6'
6.0'
lb
BC =
i
lb
Transcribed Image Text:The signboard truss is designed to support a horizontal wind load of 775 lb. A separate analysis shows that 5/8 of this force is transmitted to the center connection at C and the rest is equally divided between D and B. Calculate the forces in members BE and BC. The forces are positive if in tension, negative if in compression. D 6.0' C E 775 lb Answers: BE = 6.0' B F 7.2' -7.2'3.6' 6.0' lb BC = i lb
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