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2. A rigid bar of negligible weight is supported as shown. If W = 80 kN, compute the temperature change that will cause the stress in the steel rod to be 55 MPa. Assume the coefficients of linear expansion are 11.7 µm/(m·°C) for steel and 18.9 μm/ (m-°C) for bronze. watoticies 1m Steel L = 1.5 m A = 320 mm² E = 200 GPa 2.5 m Bronze L = 3m A = 1300 mm² E = 83 GPa W 1.5 m

2. A rigid bar of negligible weight is supported as shown. If W = 80 kN, compute the temperature change that will cause the stress in the steel rod to be 55 MPa. Assume the coefficients of linear expansion are 11.7 µm/(m·°C) for steel and 18.9 μm/ (m-°C) for bronze. watoticies 1m Steel L = 1.5 m A = 320 mm² E = 200 GPa 2.5 m Bronze L = 3m A = 1300 mm² E = 83 GPa W 1.5 m

Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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2. A rigid bar of negligible weight is supported as shown. If W = 80 kN, compute the temperature change that will cause the stress in the steel rod to be 55 MPa. Assume the coefficients of linear expansion are 11.7 µm/(m. °C) for steel and 18.9 um/ (m.°C) for bronze. DIN Steel L = 1.5 m A = 320 mm² 1m E= 200 GPa 2.5 m Bronze L = 3m A = 1300 mm² E = 83 GPa W 1.5 m
Transcribed Image Text:2. A rigid bar of negligible weight is supported as shown. If W = 80 kN, compute the temperature change that will cause the stress in the steel rod to be 55 MPa. Assume the coefficients of linear expansion are 11.7 µm/(m. °C) for steel and 18.9 um/ (m.°C) for bronze. DIN Steel L = 1.5 m A = 320 mm² 1m E= 200 GPa 2.5 m Bronze L = 3m A = 1300 mm² E = 83 GPa W 1.5 m
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