Rebar is the commonly used name for a reinforcing bar that is used to strengthen concrete. Rebar is made from different alloys and grades of steel and is manufactured with ridges so that the concrete that is poured onto the bars can adhere easily to them.
Rebar is a steel bar that is used in concrete construction. By adding these reinforcing steel bars, you’re creating reinforced concrete. Whether your project includes floor slabs, walls or posts, rebar helps keep cracks that form from making the project fall apart. Though all concrete cracks, rebar, and reinforcing materials help control where and the extent of the cracks. It also provides structural strength to the project.
Steel reinforcement bars or rebars are used to improve the tensile strength of the concrete, since concrete is very weak in tension, but is strong in compression. Steel is only used as rebar because the elongation of steel due to high temperatures (thermal expansion coefficient) nearly equals to that of concrete.
Why is rebar important in a project?
Rebar makes concrete several times more resistant to failure. It provides tensile strength using a reinforcing bar that is resistant to corrosion. If you want to make your concrete structural, rebar provides much stronger support than steel wires, reinforcing fiberglass and many other products on the market. Why? Because it provides structural strength in its own right.
Reasons to Use Rebar
Most contractors who use concrete know that it will crack over time. They are also aware that stainless steel rebar provides strength and helps to support a concrete structure by absorbing and distributing the tension that is caused when concrete expands and contracts due to climate variations.