For the roof truss shown in Figure P3-48, usesymmetry to determine the displacements of thenodes and the stresses in each element. All elementshave E = 210 GPa and A = 10 104 m2.20 kN20 kN20 kN4 m808 m-8 mFigure P3-48

Solution Calculate the angle made by element 1 using relation θ1=tan-1(24)θ1=26.5650

Answered: For the roof truss shown in Figure…

For the roof truss shown in Figure P3-48, use symmetry to determine the displacements of the hodes and the stresses in each element. All elements nave E = 210 GPa and A = 10 104 m2.

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

For the roof truss shown in Figure P3-48, use
symmetry to determine the displacements of the
nodes and the stresses in each element. All elements
have E = 210 GPa and A = 10 104 m2.
20 kN
20 kN
20 kN
4 m
80
8 m
-8 m
Figure P3-48

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