Answers are grounded in this paper and cite their sources.
A kinematically nonlinear analysis of unbraced, rigid‐jointed, portal frames, rotationally restrained at the base and subjected to eccentric concentrated and/or uniformly distributed loads, is presented. Through this analysis the complete behaviour, including the primary path and postbuckling path (whenever it exists), is evaluated. Moreover, through parametric studies, the effects of bar slenderness ratio, load eccentricity and amount of rotational restraint are assessed. Through this method it is also possible to assess the effect of member lengths and member lengths and member bending stiffnesses.
No takes yet. Share an insight, caveat, or question.
Simitses et al. (1981) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: