A truss is subjected to different force combinations as shown in the figure below. The cross-sectional area of each member is shown in the figure, and the Young's coefficient of the member is 200 GPa (1×109 N/m2): (a) Find the horizontal deformation (including direction) of point C. (b) Find the vertical deformation (including direction) of point C. (c) If the temperature of the rod AD increases uniformly by 60 degrees due to the relationship with the wall, and the temperature coefficient of the rod is known to be 12×10-6/°C, try to find the vertical deformation of point C again (including direction).
A truss is subjected to different force combinations as shown in the figure below. The cross-sectional area of each member is shown in the figure, and the Young's coefficient of the member is 200 GPa (1×109 N/m2): (a) Find the horizontal deformation (including direction) of point C. (b) Find the vertical deformation (including direction) of point C. (c) If the temperature of the rod AD increases uniformly by 60 degrees due to the relationship with the wall, and the temperature coefficient of the rod is known to be 12×10-6/°C, try to find the vertical deformation of point C again (including direction).
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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A truss is subjected to different force combinations as shown in the figure below. The cross-sectional area of each member is shown in the figure, and the Young's coefficient of the member is 200 GPa (1×109 N/m2):
(a) Find the horizontal deformation (including direction) of point C.
(b) Find the vertical deformation (including direction) of point C.
(c) If the temperature of the rod AD increases uniformly by 60 degrees due to the relationship with the wall, and the temperature coefficient of the rod is known to be 12×10-6/°C, try to find the vertical deformation of point C again (including direction).
Transcribed Image Text:3 m-
wall
C
D 1200 mm²
300 kN
4 m
B
A
1200 mm?
400 kN
1200 mm?
1200 mm?
2400 mm
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