100 (10) (10) (7) 15 (7) 15' 15' (4) (4)
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
Related questions
Question
Use Virtual Work Method to answer the questions below considering the truss shown. Use the cross-sectional areas (A, in2) specified in the figure, E =30 ksi and a = 20 x 10 6/ °F. "a" is roller supported and "e" is hinge supported.
![1. Select the answer that most nearly gives the axial force on member bc from
the real structure in kips. Put (-) negative sign if its under compression.
[ Select ]
2. Select the answer that most nearly gives the absolute value of axial force on
member ab from the virtual structure for horizontal displacement of joint b.
( Select ]
3. Select the answer that most nearly gives the absolute value of axial force on
member bd from the virtual structure for horizontal displacement of joint b.
( Select ]
4. Select the answer that most nearly gives the horizontal displacement of
joint b in inches due to external force only. Put (-) negative sign if its to the
left. [Select ]
5. Select the answer that most nearly gives the horizontal displacement of
joint b in inches due to +100 °F change in temperature in members ad and de.
Don't add deflection due to external loads or fabrication error, Put (-) negative
sign if its to the left. [Select]](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fee695d9c-aa54-4820-9347-e71f7798a41a%2F85748db6-272c-4497-977d-836d77183ba5%2Fbexrkvg_processed.png&w=3840&q=75)
Transcribed Image Text:1. Select the answer that most nearly gives the axial force on member bc from
the real structure in kips. Put (-) negative sign if its under compression.
[ Select ]
2. Select the answer that most nearly gives the absolute value of axial force on
member ab from the virtual structure for horizontal displacement of joint b.
( Select ]
3. Select the answer that most nearly gives the absolute value of axial force on
member bd from the virtual structure for horizontal displacement of joint b.
( Select ]
4. Select the answer that most nearly gives the horizontal displacement of
joint b in inches due to external force only. Put (-) negative sign if its to the
left. [Select ]
5. Select the answer that most nearly gives the horizontal displacement of
joint b in inches due to +100 °F change in temperature in members ad and de.
Don't add deflection due to external loads or fabrication error, Put (-) negative
sign if its to the left. [Select]
Transcribed Image Text:Use Virtual Work Method to answer the questions below considering the
truss shown. Use the cross-sectional areas (A, in?) specified in the figure, E =
30 ksi and a = 20 x 10 6/ °F. "a" is roller supported and "e" is hinge
supported.
100k
(10)
15'
(10)
(4)
(7)
(7)
15
15'
(4)
(4)
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