4-77. Three bars, each made of different materials, are connected together and placed between two walls when the temperature is T₁ = 12°C. Determine the force exerted on the (rigid) supports when the temperature becomes T₂ = 18°C. The material properties and cross-sectional area of each bar are given in the figure. Steel Est = 200 GPa ast = 12(10-6)/°C Ast Brass Ebr 100 GPa abr = 21(10-6)/°C = 200 mm² Abr = 450 mm² -300 mm- -200 mm Prob. 4-77 Copper Ecu = 120 GPa αcu = 17(10-6)/°C Acu = 515 mm² 100 mm

4-77. Three bars, each made of different materials, are connected together and placed between two walls when the temperature is T₁ = 12°C. Determine the force exerted on the (rigid) supports when the temperature becomes T₂ = 18°C. The material properties and cross-sectional area of each bar are given in the figure. Steel Est = 200 GPa ast = 12(10-6)/°C Ast Brass Ebr 100 GPa abr = 21(10-6)/°C = 200 mm² Abr = 450 mm² -300 mm- -200 mm Prob. 4-77 Copper Ecu = 120 GPa αcu = 17(10-6)/°C Acu = 515 mm² 100 mm

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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