The Structural Engineer > Archive > Volume 44 (1966) > Issues > Issue 2 > Prismatic Coal Bunkers in Structural Steelwork
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Prismatic Coal Bunkers in Structural Steelwork

A conventional method of analysis and design for trough-shaped bunkers is explained. A full-scale test on a large coal bunker is described and the experimental coal pressures and the stresses in the steelwork are compared with design values. Further measurements from a similar model in aluminium are reported. It is shown that theoretical strcsses can be brought into line with measured stresses if the plating is assumed to act with the stringers and, to some extent, with the main and the base girders; such assumed composite action might well be the basis for future design recommendations. E. Lightfoot and D. Michael

Author(s): Lightfoot, E;Michael, Duncan

Keywords: coal bunkers;silos;troughs;loads;steel;aluminium;composite action;analysis;design