(4 in.?) E (4 in.?) 15 ft (3 in.?) (4 in.?) (4 in.?) B 25 k 25 k 20 ft 20 ft E = 29,000 ksi FIG. P7.6 75 kN 100 kN (3000 mm2) (3000 mm2) (3000 mm) mm2) 9 m (2000 mm2) mm2) (3000 mm2) (2000 mm2) (2000 (2000 (3000 mm2)B(3000 mm?) C(3000 mm2)D(3000 mm2) 4 at 6 m = 24 m - E= 200 GPa FIG. P7.7 E (3 in.?) (3 in.2) 0000 5000 mm2)

(4 in.?) E (4 in.?) 15 ft (3 in.?) (4 in.?) (4 in.?) B 25 k 25 k 20 ft 20 ft E = 29,000 ksi FIG. P7.6 75 kN 100 kN (3000 mm2) (3000 mm2) (3000 mm) mm2) 9 m (2000 mm2) mm2) (3000 mm2) (2000 mm2) (2000 (2000 (3000 mm2)B(3000 mm?) C(3000 mm2)D(3000 mm2) 4 at 6 m = 24 m - E= 200 GPa FIG. P7.7 E (3 in.?) (3 in.2) 0000 5000 mm2)

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 vertical deflection at joint C of the truss shown in Figs. P7.6 and P7.7

(4 in.?)
E
(4 in.?)
15 ft
(3 in.?)
(4 in.?)
(4 in.?)
B
25 k
25 k
20 ft
20 ft
E = 29,000 ksi
FIG. P7.6
75 kN
100 kN
(3000 mm2)
(3000 mm2) (3000 mm)
mm2)
9 m
(2000 mm2)
mm2)
(3000 mm2)
(2000 mm2)
(2000
(2000
(3000 mm2)B(3000 mm?) C(3000 mm2)D(3000 mm2)
4 at 6 m = 24 m -
E= 200 GPa
FIG. P7.7
E (3 in.?)
(3 in.2)
0000
5000 mm2)

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