A bronze bar 3 m long with a cross-sectional area of 320 mm² is placed between two rigid walls as shown in the figure below. At a temperature of -20°C, the gap A = 2.5 mm. Find the temperature at which the compressive stress in the bar will be 35 MPa. Use a = 18.0 x 10-6 m/(m-°C) and E = 80 GPa.

A bronze bar 3 m long with a cross-sectional area of 320 mm² is placed between two rigid walls as shown in the figure below. At a temperature of -20°C, the gap A = 2.5 mm. Find the temperature at which the compressive stress in the bar will be 35 MPa. Use a = 18.0 x 10-6 m/(m-°C) and E = 80 GPa.

Structural Analysis

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ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Question

A bronze bar 3 m long with a cross-sectional area of 320 mm² is placed between two
rigid walls as shown in the figure below. At a temperature of -20°C, the gap A = 2.5 mm.
Find the temperature at which the compressive stress in the bar will be 35 MPa. Use a =
18.0 x 10-6 m/(m-°C) and E = 80 GPa.

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