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: Journal of the Engineering Mechanics Division, 1982, Vol. 108, 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 | Load factors | Mathematical models | Structural models | Algorithms | Plasticity

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