Consider the truss structure in the figure below. All diagonal members have axial stiffness EA, while the chord members have axial stiffness of 2EA. Using unit load method, find the vertical deflection at joint B. Feel free to use a spreadsheet to help with the tedious calculations, but please be sure the calculation steps are well set out. 8m A EA 6m 20KN Df 2EA EA 6 m 2EA B 20 kN EA 6 m E 2EA 15 KN EA -6m EA = 100×106 N C

Consider the truss structure in the figure below. All diagonal members have axial stiffness EA, while the chord members have axial stiffness of 2EA. Using unit load method, find the vertical deflection at joint B. Feel free to use a spreadsheet to help with the tedious calculations, but please be sure the calculation steps are well set out. 8m A EA 6m 20KN Df 2EA EA 6 m 2EA B 20 kN EA 6 m E 2EA 15 KN EA -6m EA = 100×106 N C

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

Consider the truss structure in the figure below. All diagonal members have axial stiffness EA, while the chord
members have axial stiffness of 2EA.
Using unit load method, find the vertical deflection at joint B. Feel free to use a spreadsheet to help with the
tedious calculations, but please be sure the calculation steps are well set out.
8m
A
EA
6m
20 kN
DE
2EA
EA
6 m
2EA
B
20 KN
EA
6 m
E
2EA
15 kN
EA
6m
EA = 100×106 N
с

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