Structural optimization of concrete arch bridges using Genetic Algorithms

Structural optimization of concrete arch bridges using Genetic Algorithms

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Concrete bridges read more are used for both highways and railways roads.They are characterized by their durability, rigidity, economy and beauty.Concrete bridges have many types such as simply supported girder bridges, arch bridges and rigid frame bridges.However, for very large spans, arch bridges are more economic in addition to their beauty appearance.

In this research, a geometrical structural optimization study for a deck concrete arch bridges using Genetic Algorithms technique is presented.This research aims mainly to demonstrate a methodology to find the least cost design, in term of material volume, by finding the optimal profile.A Finite Element numerical model is used to represent the arch structure.The MATLAB programing platform is used dodge warlord for sale to develop codes for Genetic Algorithms optimization technique and Finite Element analysis method.

The resulted design from the optimization process is compared to traditional design and an obvious cost reduction is obtained.Keywords: Optimization, Genetic Algorithms, Finite Element, Arch bridges.