A rigid horizontal bar of negligible weight is connected to two rods as shown in figure. If the system initially is stress free. Calculate the temperature change that will cause a tensile stress of 90 MPa in the brass road. Brass L-2 m A- 1200 mm E- 100 GPa a- 18.7 jum/(m."C) Assume that both roads are subjected to the same change in temperature. 3 m 2 m Copper L-3 m A- 1500 mm E - 120 GPa a- 16.8 um/(m C)

A rigid horizontal bar of negligible weight is connected to two rods as shown in figure. If the system initially is stress free. Calculate the temperature change that will cause a tensile stress of 90 MPa in the brass road. Brass L-2 m A- 1200 mm E- 100 GPa a- 18.7 jum/(m."C) Assume that both roads are subjected to the same change in temperature. 3 m 2 m Copper L-3 m A- 1500 mm E - 120 GPa a- 16.8 um/(m C)

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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Question

A rigid horizontal bar of negligible weight is
connected to two rods as shown in figure. If
the system initially is stress free. Calculate
the temperature change that will cause a
tensile stress of 90 MPa in the brass road.
Brass
L-2 m
A- 1200 mm
E- 100 GPa
a- 18.7 jum/(m."C)
Assume that both roads are subjected to the
same change in temperature.
3 m
2 m
Copper
L-3 m
A- 1500 mm
E - 120 GPa
a- 16.8 um/(m C)

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