Q. No. 4: An aluminium Z section has the dimensions shown in Figure Q. No.4. The yield strength (tension or compression) of the aluminium is oy = 40ksi, and a factor of safety of F.S.- 2.0 is to be maintained. Analyze using concepts of neutral axis and unsymmetric bending of an unsymmetric section, to determine: (a) I, I, and Ie. (b) the orientation of the neutral axis for the given orientation of bending moment using arbitrary axes method. (c) the maximum allowable magnitude of bending moment M. using arbitrary axes method. y 1=l in. 4 in. 4 in. 4 in. 4 in. Figure Q. No. 4

Structural Analysis
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Q. No. 4: An aluminium Z section has the dimensions shown in Figure Q. No.4. The yield strength
(tension or compression) of the aluminium is oy = 40ksi, and a factor of safety of F.S.- 2.0 is to be
maintained. Analyze using concepts of neutral axis and unsymmetric bending of an unsymmetric
section, to determine:
(a) I,, I, and Iye.
(b) the orientation of the neutral axis for the given orientation of bending moment using arbitrary
axes method.
(c) the maximum allowable magnitude of bending moment M. using arbitrary axes method.
I=l in.
4 in.
M:
4 in.
4 in.
4 in.
Figure Q. No, 4
Transcribed Image Text:Q. No. 4: An aluminium Z section has the dimensions shown in Figure Q. No.4. The yield strength (tension or compression) of the aluminium is oy = 40ksi, and a factor of safety of F.S.- 2.0 is to be maintained. Analyze using concepts of neutral axis and unsymmetric bending of an unsymmetric section, to determine: (a) I,, I, and Iye. (b) the orientation of the neutral axis for the given orientation of bending moment using arbitrary axes method. (c) the maximum allowable magnitude of bending moment M. using arbitrary axes method. I=l in. 4 in. M: 4 in. 4 in. 4 in. Figure Q. No, 4
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