(a) Figure Q2 shows a steel bar held between two rigid supports. The bar hasa cross sectional area of 0.25 m? and is 6.0 m in length. The structure isstress free before a force P = 3×106 N is applied at the point shown. Steel hasa Young's modulus E = 210 GPa and its coefficient of thermal expansion isequal to a = 12 ×10-6 K-1.(i) What is the stress in the bar to the left of the applied load?(ii) What change in temperature would cause the stress on the right of theapplied load to go to zero?4.0 m2.0 mPFigure Q2 -Constrained metal bar.

Given: A=0.25 m2P=3×106 NE=210 GPaα=12×10-6 K-1

Answered: (a) Figure Q2 shows a steel bar held…

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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