An E-Shape beam with the cross-section is bent about vertical axis. As shown in Figure Q3, N-N is plastic neutral axis Assume that the yield stress, oy is 275 MPa and the elastic bending moment, My is 18.88 kNm, (i) determine the plastic moment, Mp of the beam. (ii) determine the value of the shape factor for the beam. N 20 тm |20 тm 100 тm 20 тm 60 тm 20 mm 80 тm Figure Q3

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An E-Shape beam with the cross-section is bent about vertical axis. As shown in Figure Q3, N-N is plastic neutral axis Assume that the
yield stress, oy is 275 MPa and the elastic bending moment, My is 18.88 kNm,
(i) determine the plastic moment, M, of the beam.
(ii) determine the value of the shape factor for the beam.
N
20 тm
| 20 тm
100 тm
20 тm
60 тm
20 тm
80 тm
N
Figure Q3
Transcribed Image Text:An E-Shape beam with the cross-section is bent about vertical axis. As shown in Figure Q3, N-N is plastic neutral axis Assume that the yield stress, oy is 275 MPa and the elastic bending moment, My is 18.88 kNm, (i) determine the plastic moment, M, of the beam. (ii) determine the value of the shape factor for the beam. N 20 тm | 20 тm 100 тm 20 тm 60 тm 20 тm 80 тm N Figure Q3
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