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As separate building materials, both metal and concrete are outstanding materials, so they are ubiquitous. Concrete is excellent for compressive strength, but poor for tensile strength. Metal is excellent for both types of forces. To improve the strength of concrete to tensile forces, reinforcement project of mixed metal-concrete structures or concrete is essential , at a comparable quality of the concrete from which this type of platform is made. Validation of this project excludes any occurrence of cracks and stresses under the neutral axes of the concrete structure. Again, FEA finite element analysis is the guarantee of a correct and sustainable design.
Metal platforms are significantly more expensive than concrete ones. Compare them accordingly. It is possible to offer a simple metal frame in which you can install the reinforcement and pour a large amount of concrete. Contract yourself on these "hidden" costs or carefully check the construction project.
