Problem 2 Virtual Work - Trusses For the truss snown, use the virtual work method to determine the HORIZONTAL displacement of joint B. Bar areas: top and bottom chords = 2.5; BD = 5 in² E = 29000 ksi. 40 k B 20 k 20 ft 20 ft- C 10 ft 10 ft

Problem 2 Virtual Work - Trusses For the truss snown, use the virtual work method to determine the HORIZONTAL displacement of joint B. Bar areas: top and bottom chords = 2.5; BD = 5 in² E = 29000 ksi. 40 k B 20 k 20 ft 20 ft- C 10 ft 10 ft

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

Problem 2
Virtual Work - Trusses
For the truss snown, use the virtual work method to
determine the HORIZONTAL displacement of joint B.
Bar areas: top and bottom chords = 2.5; BD = 5 in²
E = 29000 ksi.
40 k
20 k
20 ft 20 ft-
C
10 ft-10 ft

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Step 1: Given data

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Step 2: Finding the support reactions of the given Truss:-

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Step 3: Finding p- forces due to given loads:-

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Step 4: Finding k forces:-

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Step 5: Finding the horizontal displacement at joint B :-

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