A rod and tube of cross-section shown in figure are firmly attached at their ends to form a compound bar. (a) Determine the stress in the rod and in the tube when the temperature of the bar is raised by 35°C. (b) What is the

Structural Analysis
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Chapter2: Loads On Structures
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Figure Q1-Stepped Bar Axial Loading
A rod and tube of cross-section shown in figure
are firmly attached at their ends to form a compound bar. (a)
Determine the stress in the rod and in the tube when the
temperature of the bar is raised by 35°C. (b) What is the
magnitude and direction of the external force required to make
stress in rod equals to zero.
For rod, E= 190 GN/m² with a
For tube, E= 80 GN/m² with a =
Otube 8.4
rod = 13.28
15 x 10° per °C.
10 x 10⁰ per °C.
Ghid = 1.582 Otave
Tube
Rod
28 mm
45 mm
Figure Q2: Compound Bar Cross-Section
Transcribed Image Text:Figure Q1-Stepped Bar Axial Loading A rod and tube of cross-section shown in figure are firmly attached at their ends to form a compound bar. (a) Determine the stress in the rod and in the tube when the temperature of the bar is raised by 35°C. (b) What is the magnitude and direction of the external force required to make stress in rod equals to zero. For rod, E= 190 GN/m² with a For tube, E= 80 GN/m² with a = Otube 8.4 rod = 13.28 15 x 10° per °C. 10 x 10⁰ per °C. Ghid = 1.582 Otave Tube Rod 28 mm 45 mm Figure Q2: Compound Bar Cross-Section
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