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Home > Publications > International Concrete Abstracts Portal
The International Concrete Abstracts Portal is an ACI led collaboration with leading technical organizations from within the international concrete industry and offers the most comprehensive collection of published concrete abstracts.
Title: Optimization of Reinforcement in Shells, Folded Plates, Walls, and Slabs
Author(s): Troels Brandurn-Nielsen
Publication: Journal Proceedings
Appears on pages(s): 304-309
Keywords: bending moments; computer programs; concrete slabs; costs; folded plates; microcomputers; optimization; reinforcing steels; shear stress; shells(structural forms); structural analysis; torsion; walls.
Abstract:Modern computer facilities have made computer-aided design a useful tool for minimizing the cost of reinforced concrete structures (see References 2-4). In this paper a method is presented for ultimate limit state optimization of the reinforcement required to resist given stress resultants in reinforced concrete shells with developable middle surfaces, including folded plates, walls, and slabs. The stress resultants include normal and shear forces and bending and twisting moments. A method of minimizing the total amount of reinforcement is presented first and is subsequently expanded to solve the problem of minimizing the cost of the reinforcement. The method is suitable for programmable handheld calculators.
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