Answered: a. Compute the internal forces in bars…

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

The picture shows a truss subjected to a load P at joint C. Considering that the two bars have the same length, crosssection area A and modulus of elasticity E:

a. Compute the internal forces in bars BC and CD. Indicate if they are in compression or tension.

b. Calculate the total deformation of the bars BC and CD.

c. Compute the displacement of joint C.

d. Determine the principal stresses in the bar BC and their angles of orientation (principal planes) with respect to the x-axis shown in the picture. Is there a shear stress in this plane?

e. Indicate the maximum shear stress in the bar BC. What is the angle of orientation with respect to the principal plane

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