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Civil-Comp Proceedings
ISSN 1759-3433
CCP: 4/5
PROCEEDINGS OF THE THIRD INTERNATIONAL CONFERENCE ON CIVIL AND STRUCTURAL ENGINEERING COMPUTING
Edited by: B.H.V. Topping
Paper X.5

Optimal Plastic Design of Frames with Tapered Members

T.K.H. Tan and S. Jennings

Department of Civil Engineering, Queen's University of Belfast, Northern Ireland

Full Bibliographic Reference for this paper
T.K.H. Tan, S. Jennings, "Optimal Plastic Design of Frames with Tapered Members", in B.H.V. Topping, (Editor), "Proceedings of the Third International Conference on Civil and Structural Engineering Computing", Civil-Comp Press, Edinburgh, UK, pp 265-271, 1987. doi:10.4203/ccp.4.10.5
Abstract
The different formulations for minimum weight plastic design of structural frames are discussed with reference to the inclusion of tapered members in the optimisation process. An equilibrium method is presented in more detail showing how pin-joints can be taken into account and plastic moment constraints imposed. A technique for optimising over several loading cases and a procedure for plastic analysis are both specified. Some comparisons are also made of tableau sizes, computing times and weight savings for three types of frame geometry and loading.

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