For the truss shown below, use the virtual work method to find the following: (Ta E-250Gpa [250 X 106 kN/m²] and A-350 mm² for all members). 25 kN 4m +ve +ve positive deflections E-250 Gpa A-350 mm² If Member CB is experienced an increase in the temperature by 100°F. Then the horizontal displacement of Joint E; AE, due to the temperature change only is given as (Take the thermal coefficient, a=6.6 X 10-6). A. +3.52mm B. -6.72 mm C. -5.28 mm D. +7.80 mm

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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For the truss shown below, use the virtual work method to find the following: (Take
E-250Gpa [250 X 106 kN/m²] and A-350 mm² for all members).
E
25 kN
B
+ve
+ve
positive deflections
E-250 Gpa
A-350 mm²
If Member CB is experienced an increase in the temperature by 100°F. Then the horizontal
displacement of Joint E; AE due to the temperature change only is given as (Take the thermal
coefficient, a=6.6 X 10-5).
A. +3.52mm
B. -6.72 mm
C. -5.28 mm
D. +7.80 mm
Transcribed Image Text:For the truss shown below, use the virtual work method to find the following: (Take E-250Gpa [250 X 106 kN/m²] and A-350 mm² for all members). E 25 kN B +ve +ve positive deflections E-250 Gpa A-350 mm² If Member CB is experienced an increase in the temperature by 100°F. Then the horizontal displacement of Joint E; AE due to the temperature change only is given as (Take the thermal coefficient, a=6.6 X 10-5). A. +3.52mm B. -6.72 mm C. -5.28 mm D. +7.80 mm
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