35 kN 35 kN 4m 79.2 84 A 21 21 TB 35 84 kN 84 kN 4m 3m 56 28 EA = constant E= 200 GPa A = 1,200 mm (a) (b) Real System –F Forces 0.43 0.43 B 1 KN I kN 0.43 0.57 (c) Virtual System for Determining Agw (F, Forces) (d) Virtual System for Determining Agy (F,, Forces) FIG. 7.7 0.71 190

35 kN 35 kN 4m 79.2 84 A 21 21 TB 35 84 kN 84 kN 4m 3m 56 28 EA = constant E= 200 GPa A = 1,200 mm (a) (b) Real System –F Forces 0.43 0.43 B 1 KN I kN 0.43 0.57 (c) Virtual System for Determining Agw (F, Forces) (d) Virtual System for Determining Agy (F,, Forces) FIG. 7.7 0.71 190

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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Concept explainers

Matrix Algebra for Structural analysis

Structural analysis is a process in which the effects of different loads and internal forces, acting on structures and their elements are determined. This method of analysis is effective in detecting the failure loads of the structural elements and the design can be altered before commencing the construction process, which ensures proper strength and safety of the structures.

Question

Determine the horizontal and vertical components of the deflection at joint B of the truss shown in Fig. 7.7(a) by the virtual work method

35 kN
35 kN
4m
79.2
84
A
21
21
TB
35
84 kN
84 kN
4m
3m
56
28
EA = constant
E= 200 GPa
A = 1,200 mm
(a)
(b) Real System –F Forces
0.43
0.43
B 1 KN
I kN
0.43
0.57
(c) Virtual System for
Determining Agw (F, Forces)
(d) Virtual System for
Determining Agy (F,, Forces)
FIG. 7.7
0.71
190

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