The pin-jointed truss in Figure Q1 below is pinned supported at A and roller supported at C.(CO2:PO2)(C3)20 kN/mED4 m4 m3 m6 m6 m3 mFigure Q1a)Determine the vertical displacement at B using the Virtual Work Method if in addition tothe loads shown, member BE is cooled down by 30°C. Given the thermal expansioncoefficient, a= 1x10-5/PC and the axial rigidity, AE = 20,000 kN. (CO2:PO2)(C4)

Given:- To find:- Vertical displacement at B

Answered: 20 kN/m E 4 m A 4 m 3 m 6 m 6 m 3 m

Engineering

Civil Engineering

20 kN/m E 4 m A 4 m 3 m 6 m 6 m 3 m

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 pin-jointed truss in Figure Q1 below is pinned supported at A and roller supported at C.
(CO2:PO2)(C3)
20 kN/m
E
D
4 m
4 m
3 m
6 m
6 m
3 m
Figure Q1
a)
Determine the vertical displacement at B using the Virtual Work Method if in addition to
the loads shown, member BE is cooled down by 30°C. Given the thermal expansion
coefficient, a= 1x10-5/PC and the axial rigidity, AE = 20,000 kN. (CO2:PO2)(C4)

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