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Civil-Comp Proceedings
ISSN 1759-3433
CCP: 32
Edited by: B.H.V. Topping
Paper VIII.2

Optimum Design of Arches with Varying Cross-Section

U. Uzman*, A. Daloglu* and M.P. Saka#

*Civil Engineering Department, Karadeniz Technical University, Trabzon, Turkey
#Civil Engineering Department, University of Bahrain, Bahrain

Full Bibliographic Reference for this paper
U. Uzman, A. Daloglu, M.P. Saka, "Optimum Design of Arches with Varying Cross-Section", in B.H.V. Topping, (Editor), "Developments in Computational Techniques for Civil Engineering", Civil-Comp Press, Edinburgh, UK, pp 227-235, 1995. doi:10.4203/ccp.32.8.2
A structural optimization process is presented for arches with varying thickness. The optimality criteria method is used to develop a recursive relationship for the design variables considering displacement constraints. The depth at the crown and at the support are taken as design variables first. Then the approach is extended by taking the average thickness of each member as design variables. The curved beam elements as well as the rectangular beam elements of constant cross section are used to model the arch. The parabolic variation of the arch is assumed when the curved elements are used. A number of design examples are presented to demonstrate the application of the method.

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