The Figure shown below is the truss pattern proposed by engineering students for the one part of modern houses. Reaction forces for both pin A and roller F have already been calculated. 12 ft G 6 ft A, = 0 45 4.50 F B 6 It 6 ft 6 t 6 ft- - 6 ft A, = 3 k 3 k 3 k F, = 3 k a) By using appropriate methods calculate all determinable forces in the members and define whether the members are in tension or compression. b) Is there any zero-force member? If no add 2 to get more stable design. c) As we know, the bridges of long structure tend to elongate under the impact of thermal stress. Which design should be preferred for this case, and why?
The Figure shown below is the truss pattern proposed by engineering students for the one part of modern houses. Reaction forces for both pin A and roller F have already been calculated. 12 ft G 6 ft A, = 0 45 4.50 F B 6 It 6 ft 6 t 6 ft- - 6 ft A, = 3 k 3 k 3 k F, = 3 k a) By using appropriate methods calculate all determinable forces in the members and define whether the members are in tension or compression. b) Is there any zero-force member? If no add 2 to get more stable design. c) As we know, the bridges of long structure tend to elongate under the impact of thermal stress. Which design should be preferred for this case, and why?
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Transcribed Image Text:The Figure shown below is the truss patten proposed by engineering students for the one part of
modern houses. Reaction forces for both pin A and roller F have already been calculated.
a H
D
12 f1
6 ft
A, = 0
45°
45°
F
B
E
6 It
6 ft
6 t
6 ft
-- 6 f1 -
A, = 3 k
3k
3k
F, = 3k
a) By using appropriate methods calculate all determinable forces in the members and define
whether the members are in tension or compression.
b) Is there any zero-force member? If no add 2 to get more stable design.
c) As we know, the bridges of long structure tend to elongate under the impact of thermal stress.
Which design should be preferred for this case, and why?
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