QUESTION 1) In the figure, the rigid ABC rod is held horizontally byEtwo elastic rods made of steel and bronze materials atpoints A and B. The cross-sectional area of the steel baris A,=10 cm and the cross-sectional area of the bronzebar is A,=50 cm. There is no stress in the bars initially. 5mCalculate the forces that will occur in the elastic rodswhen the temperature decrease by 50°C.steelВANote: - For steel, modulus of elasticity is E=210 GPaand coefficient of thermal expansion is a,=12x10“ 1/°C 4mbronzerigid- For bronze, modulus of elasticity is E,=90 GPaand coefficient of thermal expansion is a,=19x10“ 1/CD5m3m

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In the figure, the rigid ABC rod is held horizontally by two elastic rods made of steel and bronze materials at E points A and B. The cross-sectional area of the steel bar is A,=10 cm² and the cross-sectional area of the bronze bar is A,=50 cm². There is no stress in the bars initially. 5m - steel Calculate the forces that will occur in the elastic rods when the temperature decrease by 50 °C. B A Note: - For steel, modulus of elasticity is E=210 GPa and coefficient of thermal expansion is a,=12x10“1/°C 4m bronze rigid - For bronze, modulus of elasticity is E,=90 GPa and coefficient of thermal expansion is a,=19x10“ 1/°C D 5m 3m

In the figure, the rigid ABC rod is held horizontally by two elastic rods made of steel and bronze materials at E points A and B. The cross-sectional area of the steel bar is A,=10 cm² and the cross-sectional area of the bronze bar is A,=50 cm². There is no stress in the bars initially. 5m - steel Calculate the forces that will occur in the elastic rods when the temperature decrease by 50 °C. B A Note: - For steel, modulus of elasticity is E=210 GPa and coefficient of thermal expansion is a,=12x10“1/°C 4m bronze rigid - For bronze, modulus of elasticity is E,=90 GPa and coefficient of thermal expansion is a,=19x10“ 1/°C D 5m 3m

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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