03 Figure 03 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. (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, Re at support C (assume the unit load acting downwardy? (b) How do you present the new data on internal force for member BC when overhead crane has additional roller support at Joint C? (c) The new additionally roller support at joint C is placed on top of steel bearing plate. Check whether the square plate of 15 mm x 15 mm is safe or not safe to be used as the bearing plate. Maximum bearing capacity of the plate at joint C is 300 MPa.
03 Figure 03 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. (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, Re at support C (assume the unit load acting downwardy? (b) How do you present the new data on internal force for member BC when overhead crane has additional roller support at Joint C? (c) The new additionally roller support at joint C is placed on top of steel bearing plate. Check whether the square plate of 15 mm x 15 mm is safe or not safe to be used as the bearing plate. Maximum bearing capacity of the plate at joint C is 300 MPa.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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