LATERALLY RESTRAINED BEAMS

LATERALLY RESTRAINED BEAMS LATERALLY RESTRAINED BEAMS INTRODUCTION BEAMS are structural members frequently used to carry loads that are transverse to their longitudinal axis. They transfer loads primarily by bending and shear. In a rectangular building frame, BEAMS that span between adjacent columns are called main or primary BEAMS /girders . BEAMS , which are used to transmit the floor loading to the main BEAMS between columns, are called secondary BEAMS /joists . As far as the structural steel framing in buildings is concerned, it is sufficient to consider only the bending effects for BEAMS , as torsion is not generally predominant. For a beam (loaded predominantly by flexure) two essential requirements must be met to develop its full moment capacity: 1. The elements of the beam ( flange and web) should not buckle locally and 2.

Mar 21, 2000 · design, the designer has to provide adequate lateral supports to the compression flange. In this chapter we are concerned with laterally restrained beams, in other words beams which have adequate lateral support to the compression flange.

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