A steel I-section beam, simply supported at its two ends, is
subjected to a uniformly distributed load q (vertically downward)
over its central segment having a length of 2 m as shown in the
figure. It also shows the type of restraints (F/P/L) against
lateral torsional buckling of the beam at its four sections. The
section at the left end of the beam has only the lateral rotational
restraint. The load is causing bending of the beam about x-x (major
principle axis) of its cross-section as shown in the figure where
the load is assumed to act at the shear center of the beam section.
Calculate the nominal section moment capacity of the beam and the
nominal member moment capacity of its segments/sub-segments. Also
calculate the maximum value of this uniformly distributed load q,
considering it as the DL, which can be supported by the beam
safely.
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A steel I-section beam, simply supported at its two ends, is
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