H.W:Find Initial displacement? Example: Calculate the vertical deflection at point B for the truss shown 90 kN in Fig. below. AAB = 4 + 10-4 m 3 m ABc = 5 + 10-4 m AAC = 3 + 10- m 4 m Solution: Internal VIRTUAL force (fx), we must remove all external applied load on the truss and applied a virtual load at point B (8QB = 1) as shown in Fig. below

Structural Analysis
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ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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H.W:Find Initial displacement?
Example: Calculate the vertical deflection at point B for the truss shown
in Fig. below.
90 kN
AAB = 4 + 10-4 m
3m
%3D
AAC = 3 + 10-4 n
%3D
m
4 m
Solution:
Internal VIRTUAL force (fx), we must remove all external applied load on the
truss and applied a virtual load at point B (8QB = 1) as shown in Fig. below
Transcribed Image Text:H.W:Find Initial displacement? Example: Calculate the vertical deflection at point B for the truss shown in Fig. below. 90 kN AAB = 4 + 10-4 m 3m %3D AAC = 3 + 10-4 n %3D m 4 m Solution: Internal VIRTUAL force (fx), we must remove all external applied load on the truss and applied a virtual load at point B (8QB = 1) as shown in Fig. below
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