4. The rigid slab is supported by two identical copper rods as shown. The copper rod has an area of 500 mm? with a = 16.8 µm/ ( m°C ) and E = 120 GPa. There is a gap of 0.18 mm between the slab and the aluminum rod. The aluminum rod has an area of 400 mm? with a = 23.1 µm/ ( m°C ) and E = 70 GPa. Compute the stress developed in each rod when the temperature is raised to 85°C. Assume that the weight of the slab is negligible. Answer: OAI = 16.80 MPa Aluminum Copper 750 mm -

4. The rigid slab is supported by two identical copper rods as shown. The copper rod has an area of 500 mm? with a = 16.8 µm/ ( m°C ) and E = 120 GPa. There is a gap of 0.18 mm between the slab and the aluminum rod. The aluminum rod has an area of 400 mm? with a = 23.1 µm/ ( m°C ) and E = 70 GPa. Compute the stress developed in each rod when the temperature is raised to 85°C. Assume that the weight of the slab is negligible. Answer: OAI = 16.80 MPa Aluminum Copper 750 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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