Civil Engineering MCQAE Level Civil Engineering
Which of the following about bending member without compression flange restraint is correct?
Steel StructuresLaterally Unsupported BeamHARD
Choose the correct answer
A
section modulus is irrelevant
B
only shear yielding is possible
C
unbraced length is ignored
D
lateral-torsional buckling must be checked
Correct Answer
D. lateral-torsional buckling must be checked
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Unsupported beams can fail by LTB before full plastic moment. Correct option: D.
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