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- W2004549085 abstract "Abstract A special way of defining the structure geometry makes it possible to analyze structures with seat-and-top-angle semi-rigid connections using ordinary structural analysis computer programs with line-type bending members. The analysis focuses on the bending behavior of the main beams and columns and of the flexible angles used to make the connections. Fictitious rigid beams are used to space the bolt lines of the angles at the proper distance from the centerlines of the connected beams and columns. Equilibrium of forces in the angles is thus invoked at the outer fibers of the beams and columns rather than at the centerlines. Similarly, compatibility results according to the plane-sections-remain-plane concept. The angles are each modeled as a pair of rectangular beams of width and thickness equal to those of the angle placed at right angles to each other. The entire assemblage of beams, columns, and angles is analyzed as a rigid frame. An elastic analysis identifies the locations where stress is greatest and therefore plastic hinges may form. After changes in boundary conditions, additional steps of elastic analysis can give increments in the elastic-plastic load-deflection curve of the entire structure up to the point where a mechanism defining ultimate load is defined. Examples computed included subassemblages simulating part of a two- or more story frame subjected to either a center concentrated load on a beam or a uniform load on the same beam. In addition, a subassemblage simulating the typical setup for experimental tests of semi-rigid connections is computed, that is, a column with two end-loaded cantilever beams." @default.
- W2004549085 created "2016-06-24" @default.
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- W2004549085 date "1987-01-01" @default.
- W2004549085 modified "2023-09-27" @default.
- W2004549085 title "Elastic-plastic analysis of top-and-seat-angle connections" @default.
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- W2004549085 doi "https://doi.org/10.1016/0143-974x(87)90056-3" @default.
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