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Question
A weightless cantilever beam of span L is loaded as shown in the figure. For the entire span of the beam, the material properties are identical and the cross section is rectangular with constant width.
From the flexure-critical perspective, the most economical longitudinal profile of the beam to carry the given loads amongst the options given below, is
A weightless cantilever beam of span L is loaded as shown in the figure. For the entire span of the beam, the material properties are identical and the cross section is rectangular with constant width.
From the flexure-critical perspective, the most economical longitudinal profile of the beam to carry the given loads amongst the options given below, is
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Solution
The correct option is D
For most economical longitudinal profile of cantilever, the depth of beam should vary along the length as per shape of BMD
Hence, most appropreate option is (d).
For most economical longitudinal profile of cantilever, the depth of beam should vary along the length as per shape of BMD
Hence, most appropreate option is (d).Suggest Corrections
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