Plastic Design under Multiple Loads

by Donald E. Grierson, (M.ASCE), Prof.; Solid Mechanics Div., Dept. of Civ. Engrg., Univ. of Waterloo, Waterloo, Ontario, Canada,
Ahmed A. Aly, Research Asst.; Solid Mechanics Div., Dept. of Civ. Engrg., Univ. of Waterloo, Waterloo, Ontario, Canada,


Serial Information: Issue 6, Pg. 1233-1251


Document Type: Journal Paper

Abstract:

A mathematical model and a solution algorithm are developed for the rigid-plastic optimal design of skeletal structures under multiple loading conditions. Iterative linear programming techniques are applied to account for nonlinear variations in element plastic capacities under combined stress states as the structural design is modified to meet specified strength requirements. The design concepts are illustrated for two framework examples.



Subject Headings: Plastic design | Mathematical models | Structural models | Algorithms | Plasticity | Load factors | Linear functions | Computer programming

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