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Calculate the reaction at rigid supports in kN. 2. Calculate the change in length of the aluminum rod in mm. 3. The normal stress in the steel rod in MPa.

Calculate the reaction at rigid supports in kN. 2. Calculate the change in length of the aluminum rod in mm. 3. The normal stress in the steel rod in MPa.

Structural Analysis
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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1. Calculate the reaction at rigid supports in kN.

2. Calculate the change in length of the aluminum rod in mm.

3. The normal stress in the steel rod in MPa.

Two metal bars are attached to rigid supports as shown. A gap of 0.5 mm is observed between the bars at 20°C. If the temperature is increased to 140°C, calculate the following: 0.5 mm 300 mm 250 mm Stainless steel A = 800 mm² E = 190 GPa α = 17.3 × 10-6/°C A Aluminum A = 2000 mm² E = 75 GPa α = 23 × 16-6/°C B
Transcribed Image Text:Two metal bars are attached to rigid supports as shown. A gap of 0.5 mm is observed between the bars at 20°C. If the temperature is increased to 140°C, calculate the following: 0.5 mm 300 mm 250 mm Stainless steel A = 800 mm² E = 190 GPa α = 17.3 × 10-6/°C A Aluminum A = 2000 mm² E = 75 GPa α = 23 × 16-6/°C B
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