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 fromthe 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 onmember 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 onmember bd from the virtual structure for horizontal displacement of joint b.( Select ]4. Select the answer that most nearly gives the horizontal displacement ofjoint b in inches due to external force only. Put (-) negative sign if its to theleft. [Select ]5. Select the answer that most nearly gives the horizontal displacement ofjoint 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 (-) negativesign if its to the left. [Select] Use Virtual Work Method to answer the questions below considering thetruss 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 hingesupported.100k(10)15'(10)(4)(7)(7)1515'(4)(4)

Answered: Image /qna-images/answer/85748db6-272c-4497-977d-836d77183ba5.jpg

Answered: 100 (10) (10) (7) 15 (7) 15' 15' (4)…

Engineering

Civil Engineering

100 (10) (10) (7) 15 (7) 15' 15' (4) (4)

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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Concept explainers

Loads and Reactive Forces

Loads are the external influences that a beam experiences under its working conditions. For instance, a beam may be subjected to shear loads, twisting loads, bending moment, and axial loads during its working conditions. Engineers primarily deal with beams and trusses in the civil engineering domain. Due to the influence of loads, it is very crucial to determine the induced stresses and deformation values. These values give an insight into the critical area of the beam that needs to be worked upon to make it fail-safe.

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]

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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