The compound bar, composed of the three segments shown, is initially stress-free. Compute the stress in each material if the temperature drops 25 degrees C. Assume that the walls do not yield and use the following data: -800 mm– 500 mm-400 mm-→AluminumSteelBronzeFIG. P2.90 2.90 The compound bar, composed of the three segments shown, is initially stress-free. Compute the stress in each material if the temperature drops 25°C. Assume thatthe walls do not yield and use the following data:A (mm?)a (l°C)E (GPa)Bronze segment200019.0 × 10–683Aluminum segment140023.0 x 10-670Steel segment80011.7 × 10-6200

Segments A(mm2) α l°C E (MPa) l (mm) Bronze 2000 19×10-6 83000 800 Aluminum 1400 23×10-6 70000…

Answered: 2.90 The compound bar, composed of the…

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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The compound bar, composed of the three segments shown, is initially stress-free. Compute the stress in each material if the temperature drops 25 degrees C. Assume that the walls do not yield and use the following data:

-800 mm
– 500 mm-
400 mm-
→
Aluminum
Steel
Bronze
FIG. P2.90

2.90 The compound bar, composed of the three segments shown, is initially stress-
free. Compute the stress in each material if the temperature drops 25°C. Assume that
the walls do not yield and use the following data:
A (mm?)
a (l°C)
E (GPa)
Bronze segment
2000
19.0 × 10–6
83
Aluminum segment
1400
23.0 x 10-6
70
Steel segment
800
11.7 × 10-6
200

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