Abstract
A general method is proposed to determine optimal reinforcement distributions for rectangular reinforced concrete column sections subjected to multiple combinations of axial load and moment. The design problem is formulated as a general constrained nonlinear optimization problem and is solved both mathematically and graphically. Ultimate strength and strength reduction factors are evaluated using ACI code provisions. The method provides a simple approach to determine optimal reinforcement under multiple loading combinations. The use of optimal reinforcement rather than conventional (symmetric) distributions of reinforcement can lower construction costs and environmental impacts.
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Lee, H.J., Aschheim, M., Hernández-Montes, E. et al. Optimum RC column reinforcement considering multiple load combinations. Struct Multidisc Optim 39, 153–170 (2009). https://doi.org/10.1007/s00158-008-0318-4
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DOI: https://doi.org/10.1007/s00158-008-0318-4