The Structural Engineer > Archive > Volume 28 (1950) > Issues > Issue 8 > Correspondence. Inaccuracies in the Application of Moment Distribution Analysis to Reinforced Concre
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Correspondence. Inaccuracies in the Application of Moment Distribution Analysis to Reinforced Concrete Structures

Sir, In this paper, Mr. Robson considers the effect on bending moments when the change of moment of inertia along a continuous reinforced concrete beam is taken into account. Changes are assumed to occur where the bending moment changes sign, and the calculations are based on the ratio of the moment of inertia of a plain concrete tee beam for sagging moment, and a rectangular beam for hogging moment.