A rigid bar of negligible weight is supported as shown in the figure. If W = 80 KN, compute the temperature change that will cause the stress in the steel rod to be 55 MPa. Assume the coefficients of linear expansion are 11.7 µm/(m.°C) for steel and 18.9 µm/ (m. C) for bronze.

A rigid bar of negligible weight is supported as shown in the figure. If W = 80 KN, compute the temperature change that will cause the stress in the steel rod to be 55 MPa. Assume the coefficients of linear expansion are 11.7 µm/(m.°C) for steel and 18.9 µm/ (m. C) for bronze.

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

#30

A rigid bar of negligible weight is supported as shown i the figure. If W = 80 KN, compute the
temperature change that will cause the stress in the steel rod to be 55 MPa. Assume the coefficients
of linear expansion are 11.7 µm/(m.°C) for steel and 18.9 μm/ (m.°C) for bronze.
Figure P-271 and P-272
Bronze
L = 3 m
Steel
A = 1300 mm²
E = 83 GPa
L = 1.5 m
A = 320 mm²
E 200 GPa
=
-1m-
4 m
2 m
W

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