The Structural Engineer > Archive > Volume 30 (1952) > Issues > Issue 10 > Correspondence The Analysis of Continuous Ridged Portal Frames
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Correspondence The Analysis of Continuous Ridged Portal Frames

Sir,-A method has recently been described, for analysing continuous ridged portal frames of any number of spans by calculating fixed-end moments and forces produced by the loading, and then imposing a succession of rotational and linear displacements at eaves joints until the restraining moments and forces at these points all become negligibly small.