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20 KN 30 KN 20 KN H1 5 m B D A 5 m FIGURE Q3 5 m 5 m 5 m

20 KN 30 KN 20 KN H1 5 m B D A 5 m FIGURE Q3 5 m 5 m 5 m

Structural Analysis
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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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 mm? and the Young's Modulus for all truss members is 250 kN/mm?. 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, R. at support C (assume the unit load acting downward)? (a) (b) How do you present the new data on internal force for member BC when overhead crane has additional roller support at Joint C?
Transcribed Image Text: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 mm? and the Young's Modulus for all truss members is 250 kN/mm?. 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, R. at support C (assume the unit load acting downward)? (a) (b) How do you present the new data on internal force for member BC when overhead crane has additional roller support at Joint C?
20 KN 30 KN 20 KN H1 5 m B D A E 5 m FIGURE Q3 5 m 5 m 5 m
Transcribed Image Text:20 KN 30 KN 20 KN H1 5 m B D A E 5 m FIGURE Q3 5 m 5 m 5 m
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