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' 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' 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 ]

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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