Simplified P-Delta Analyses for Asymmetric Structuresby Avigdor Rutenberg, (M.ASCE), Assoc. Prof. of Civ. Engrg. and Head of Structures; Technion-Israel Inst. of Tech., Haifa, Israel,
Serial Information: Journal of the Structural Division, 1982, Vol. 108, Issue 9, Pg. 1995-2013
Document Type: Journal Paper
Computer oriented and manual procedures are presented that enable a direct second order analysis of asymmetric building structures to be performed by means of first order formulation. This is achieved by modeling the geometric-stiffness of the structure as a fictitious column with negative lateral and torsional stiffness properties. Simplified methods are proposed for structures amenable to some form of uncoupling. The approach is also applied to elastic-plastic analysis of asymmetric structures by combining center-of-rigidity and sway-subassemblage procedures. A numerical example is provided.
Subject Headings: Structural analysis | Asymmetry | Elastic analysis | Structural models | Torsion | Geometrics | Columns | Computer analysis
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