Reinforcing Bar
A reinforcing bar, commonly known as rebar, is a steel bar or mesh used in concrete construction to enhance the tensile strength of the concrete. Concrete is strong in compression but weak in tension, so rebar helps prevent cracking and structural failure. It is typically made from carbon steel and comes in various sizes and grades, allowing it to be used in different construction applications.
Rebar is often placed in concrete before it sets, ensuring that the two materials bond effectively. The surface of rebar is usually ridged to improve adhesion with the concrete. It is widely used in structures like buildings, bridges, and roads, making it a crucial component in modern construction practices.