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05-Jun-2020 16:41
Concrete is a composite material composed of fine and coarse aggregate bonded together with a fluid cement (cement paste) that hardens over time.
Often, additives (such as pozzolans or superplasticizers) are included in the mixture to improve the physical properties of the wet mix or the finished material.
Today, large concrete structures (for example, dams and multi-storey car parks) are usually made with reinforced concrete.