The Structural Engineer > Archive > Volume 49 (1971) > Issues > Issue 8 > Design of Columns Restrained by Side-rails
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Design of Columns Restrained by Side-rails

Using the equivalent uniform moment approach that has previously been adopfed for unrestrained columns, an elastic design method is presented for columns laterally restrained at intervals along one flange and subjected to axial thrust in the presence of unequal terminal moments about the major axis. The criterion used is the attainment of yield stress, allowance being made for imperfections in the columns. The analysis is then modified to allow for the formation of a plastic hinge (bending about the major axis) at one end or, in the case of equal double curvature bending, of plastic hinges at both ends, such loading conditions being of importance in the plastic design of portal frames. M.R. Horne and J.L. Ajmani

Author(s): Horne, M R;Ajmani, J L

Keywords: columns;design