Reinforcement materials in concrete serve to enhance the structural integrity and durability of concrete, which on its own has high compressive strength but poor tensile strength. The most common reinforcement material is steel, typically in the form of bars (rebars) or meshes. These steel reinforcements are embedded within the concrete before it sets, with the purpose of carrying tensile loads and thereby reducing the risk of cracking under stress. The mechanism behind reinforcement relies on the composite action between the steel and concrete, where each material compensates for the other’s weaknesses. The bond between steel and concrete is critical and is achieved through the mechanical interlock provided by the surface of the rebar and the chemical adhesion with the cement paste.