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Calculate the axial compressive stress in the column due to a concentric load of 900 kN. а. 336 MPa с. 84 MPa b. 42 MPa d. 168 MPa Solve the maximum bending stress in the column due to a moment of 270 kN-m about the x-axis. 5. а. b. 324.5 MPa с. 649.0 MPa 81.1 MPa d. 162.2 MPa 6. Compute the critical slenderness ratio of the built-up column a. 51.7 с. 40.6 b. 77.3 d. 81.1 4.

Calculate the axial compressive stress in the column due to a concentric load of 900 kN. а. 336 MPa с. 84 MPa b. 42 MPa d. 168 MPa Solve the maximum bending stress in the column due to a moment of 270 kN-m about the x-axis. 5. а. b. 324.5 MPa с. 649.0 MPa 81.1 MPa d. 162.2 MPa 6. Compute the critical slenderness ratio of the built-up column a. 51.7 с. 40.6 b. 77.3 d. 81.1 4.

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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Situation 2: Two channels are welded at the tip of the flanges to form a box column. Properties of each channel: A = 5,350 mm2 d = 250 mm br = 100 mm tw = 10 mm tr = 15 mm Ik = 5.2 x 107 mm ly = 0.5 x 107 mm Column height = 4 m Effective length factor, k =1, both axes Distance from the centroidal y-axis of the channel to the outer face of the web, x = 29 mm The major x-axis of the channels is the x-axis of the built-up column. 4. Calculate the axial compressive stress in the column due to a concentric load of 900 kN. а. 336 MPa c. 84 MPa b. 42 MPa d. 168 MPa Solve the maximum bending stress in the column due to a moment of 270 KN-m about the x-axis. а. 324.5 MPa с. 649.0 MPa b. 81.1 MPa d. 162.2 MPa 6. Compute the critical slenderness ratio of the built-up column 51.7 77.3 a. с. 40.6 b. d. 81.1 5.
Transcribed Image Text:Situation 2: Two channels are welded at the tip of the flanges to form a box column. Properties of each channel: A = 5,350 mm2 d = 250 mm br = 100 mm tw = 10 mm tr = 15 mm Ik = 5.2 x 107 mm ly = 0.5 x 107 mm Column height = 4 m Effective length factor, k =1, both axes Distance from the centroidal y-axis of the channel to the outer face of the web, x = 29 mm The major x-axis of the channels is the x-axis of the built-up column. 4. Calculate the axial compressive stress in the column due to a concentric load of 900 kN. а. 336 MPa c. 84 MPa b. 42 MPa d. 168 MPa Solve the maximum bending stress in the column due to a moment of 270 KN-m about the x-axis. а. 324.5 MPa с. 649.0 MPa b. 81.1 MPa d. 162.2 MPa 6. Compute the critical slenderness ratio of the built-up column 51.7 77.3 a. с. 40.6 b. d. 81.1 5.
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