Reinforced concrete is concrete that is internally fortified with what?

• A. Steel reinforcement bars or mesh
• B. Wood studs
• C. Rope and bar
• D. Glass fiber

Answer: (A)

Concrete handles compression well but is weak in tension, so reinforcement is added to carry tensile forces. Steel reinforcement bars or mesh are embedded inside the concrete to take these tensile stresses and work with the concrete to resist bending, cracking, and shear. The steel and concrete bond together, creating a composite material that is much stronger and more durable for structural use. That’s why reinforced concrete is reinforced with steel reinforcement bars or mesh. Wood studs, rope and bar, or glass fiber don’t provide the same reliable tensile strength and bond with concrete for typical reinforced construction.