shown in Figure 4. Columns A and B, both with a diameter of X12 mm are made of steel, and column C with X13 mm diameter is made of aluminium. The three columns are subjected to a temperature rise of 80°C. The elastic modulus of steel and aluminium are 200 GPa and 70 GPa, respectively, and the coefficient of thermal expansion for steel and aluminium are 12x106/°C and 24x106/°C, respectively. Due to the temperature rise, solve the following questions: a. Calculate the axial forces exerted on the steel and aluminium columns. b. Determine the normal stresses induced on the steel and aluminium columns. (17%) (8 %)

shown in Figure 4. Columns A and B, both with a diameter of X12 mm are made of steel, and column C with X13 mm diameter is made of aluminium. The three columns are subjected to a temperature rise of 80°C. The elastic modulus of steel and aluminium are 200 GPa and 70 GPa, respectively, and the coefficient of thermal expansion for steel and aluminium are 12x106/°C and 24x106/°C, respectively. Due to the temperature rise, solve the following questions: a. Calculate the axial forces exerted on the steel and aluminium columns. b. Determine the normal stresses induced on the steel and aluminium columns. (17%) (8 %)

Mechanics of Materials (MindTap Course List)

9th Edition

ISBN:9781337093347

Author:Barry J. Goodno, James M. Gere

Publisher:Barry J. Goodno, James M. Gere

Chapter2: Axially Loaded Members

Section: Chapter Questions

Problem 2.5.13P: Rectangular bars of copper and aluminum are held by pins at their ends, as shown in the figure. Thin...

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