Answered: 20 KN 30 KN 20 KN G 5 m B D A 5 m 5…

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

Figure Q3 shows an overhead crane truss supported by pin and roller supports at point A and E. The truss is subjected to forces of 20 kN, 30kN and 20 KN acted at joint G, H and I,respectively. The cross-section area for the truss member is 2000 mm2 and the Young’sModulus for all truss members is 250 kN/mm2.

(a) As a structural engineer, you are responsible to ensure the overhead crane truss is safe during maintenance works. Therefore, the crane is additionally supported by roller support at joint C. Calculate reaction, Rc! at support C (assume the unit load acting downward)?

20 KN
30 KN
20 KN
G
5 m
B
D
A
5 m
5 MIGURE 03
5 m
5 m
"FIGURE Q3

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