The rigid bar ABCD of negligible weight is initially horizontal, and the steel rods attached at A and C are stress-free. The 20-kip load is then applied and the temperature of the steel rods is changed by ΔT. Find ΔT for which the stresses in the two steel rods will be equal. Use α=6.5x10- 6 /oF and E=29x106
The rigid bar ABCD of negligible weight is initially horizontal, and the steel rods attached at A and C are stress-free. The 20-kip load is then applied and the temperature of the steel rods is changed by ΔT. Find ΔT for which the stresses in the two steel rods will be equal. Use α=6.5x10- 6 /oF and E=29x106
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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The rigid bar ABCD of negligible weight is initially horizontal, and the
steel rods attached at A and C are stress-free. The 20-kip load is then
applied and the temperature of the steel rods is changed by ΔT. Find ΔT
for which the stresses in the two steel rods will be equal. Use α=6.5x10-
6
/oF and E=29x106
Transcribed Image Text:A=0.5 in
A
20 kips
- 4 ft-
- 2 ft- 2 ft
4 ft
A=0.75 in.?
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