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This paper presents the application of Simulated Annealing optimizationmethod (SA) for solving the problem of the optimum design of reinforced concretebeams based on the recommendations of American Building Code Requirements forstructural concrete (ACI 318-05) and the ultimate strength design method. Cost of concrete, cost of steel reinforcement and cost of formworks are considered. The constraints of the problem included the concrete beam strength, width-height ratio,minimum width, and deflection constraints. This optimization problem is implementedby constructing a computer program using Matlab. A number of examples are solvedusing the developed program and proved that the produced design is economical; also itis proved that the developed program is efficient and versatile.

optimum --- design --- reinforced concrete --- beams --- simulated annealing