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Civil-Comp Proceedings
ISSN 1759-3433
CCP: 9/10
PROCEEDINGS OF THE FOURTH INTERNATIONAL CONFERENCE ON CIVIL AND STRUCTURAL ENGINEERING COMPUTING
Edited by: B.H.V. Topping
Paper XVI.2

Minimum-Cost Design of Reinforced Concrete Structures

S. Kanagasundaram and B.L. Karihaloo

School of Civil and Mining Engineering, The University of Sydney, Australia

Full Bibliographic Reference for this paper
S. Kanagasundaram, B.L. Karihaloo, "Minimum-Cost Design of Reinforced Concrete Structures", in B.H.V. Topping, (Editor), "Proceedings of the Fourth International Conference on Civil and Structural Engineering Computing", Civil-Comp Press, Edinburgh, UK, pp 133-140, 1989. doi:10.4203/ccp.9.16.2
Abstract
The aim of this paper is to obtain minimum-cost designs of reinforced concrete structures in conformity with the requirements of the Australian Standard AS3600-1988. The minimum cost structure is such that all its appropriate functional states (stability, strength, serviceability, durability and fire resistance) are within the allowable performance limits. The total cost minimized includes the costs of concrete, reinforcing steel and formwork. The minimum-cost problem is formulated as a non-linear programming problem whose solution is attempted by two techniques. Several numerical examples of multi-span beams and of columns are given using a computer package developed in standard FORTRAN77. The sensitivity of the minimum-cost designs to variations in the relative cost of formwork is also studied.

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