Use the virtual work method to determine the horizontal deflection at joint H of the truss shown in Fig. P7.9. (1500 mm2)75 kN4 m(1500(1500)mm²)mm²150 kNDE4 m(1500mm2)(1500mm2)B-2m -2 mE = 200 GPaFIG. P7.9(2500 mm2)(1500 mm2)(2500 mm2)(1500 mm?)(1500 mm2)(1500 mm2)(2500 mm2)(2500 mm?)

Solution Draw the diagram with reaction

(1500 mm2) 75 kN 4 m (1500 (1500 ) mm²) mm² 150 kN D E 4 m (1500 mm2) (1500 mm2) B -2m -2 m E = 200 GPa FIG. P7.9 (2500 mm2) (1500 mm2) (2500 mm2) (1500 mm?) (1500 mm2) (1500 mm2) (2500 mm2) (2500 mm?)

(1500 mm2) 75 kN 4 m (1500 (1500 ) mm²) mm² 150 kN D E 4 m (1500 mm2) (1500 mm2) B -2m -2 m E = 200 GPa FIG. P7.9 (2500 mm2) (1500 mm2) (2500 mm2) (1500 mm?) (1500 mm2) (1500 mm2) (2500 mm2) (2500 mm?)

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

Use the virtual work method to determine the horizontal deflection at joint H of the truss shown in Fig. P7.9.

(1500 mm2)
75 kN
4 m
(1500
(1500
)
mm²)
mm²
150 kN
D
E
4 m
(1500
mm2)
(1500
mm2)
B
-2m -2 m
E = 200 GPa
FIG. P7.9
(2500 mm2)
(1500 mm2)
(2500 mm2)
(1500 mm?)
(1500 mm2)
(1500 mm2)
(2500 mm2)
(2500 mm?)

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