SITUATION 17 An I-beam beam has the cross section, 100mmx20mm top flange, 60mmx20mm bottom flange and 20mm x 80mm web. The beam is bent about the horizontal axis. Fy = 250 MPa. 70 Compute location of the plastic neutral axis from the bottom of the flange in mm. A. 40 8. 20 C 80 D. 60 71 What is the plastic moment capacity of the section in kN-m. A. 46.58 C. 48.00 B. 48.85 D. 46.00 72. What is the shape factor of the section? A. 0.686 B. 1.102 C 0.907 D. 1.457

Structural Analysis
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ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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SITUATION 17
An I-beam beam has the cross section, 100mmx20mm top flange,
60mmx20mm bottom flange and 20mm x 80mm web. The beam is
bent about the horizontal axis. Fy = 250 MPa.
70 Compute location of the plastic neutral axis from the bottom of the
flange in mm.
A. 40
8. 20
C 80
D. 60
71 What is the plastic moment capacity of the section in kN-m.
A. 46.58
C. 48.00
B. 48.85
D. 46.00
72. What is the shape factor of the section?
A. 0.686
B. 1.102
C 0.907
D. 1.457
Transcribed Image Text:SITUATION 17 An I-beam beam has the cross section, 100mmx20mm top flange, 60mmx20mm bottom flange and 20mm x 80mm web. The beam is bent about the horizontal axis. Fy = 250 MPa. 70 Compute location of the plastic neutral axis from the bottom of the flange in mm. A. 40 8. 20 C 80 D. 60 71 What is the plastic moment capacity of the section in kN-m. A. 46.58 C. 48.00 B. 48.85 D. 46.00 72. What is the shape factor of the section? A. 0.686 B. 1.102 C 0.907 D. 1.457
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