The Structural Engineer > Archive > Volume 50 (1972) > Issues > Issue 7 > Optimal Design of Reinforced Concrete Frames
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Optimal Design of Reinforced Concrete Frames

The paper presents a linear programming formulation of the optimal design problem for reinforced concrete frames with compatibility, limited ductility, equilibrium, and serviceability constraints. It is required to determine the values of the design bending moment at all the critical sections such that the total volume of steel reinforcement is minimized. The program is solved by use of the simplex algorithm. The merits of the proposed optimal design are illustrated by practical design examples and comparisons are made with ultimate strength design based on elastic solutions for factored loads. It is shown that significant savings can be made using this optimization procedure. J. Munro, C.S. Krishnamoorthy and C.W. Yu

Author(s): Munro, J;Krishnamoorthy, C S;Yu, C W

Keywords: frames;reinforced concrete;design;linear methods;worked examples;comparing;limit state methods