Reinforcing steel (also known as rebar) includes steel products such as mesh, wire, or bars used as a tension device in reinforced concrete to strengthen and hold the concrete in tension. The surface of these kinds of steel is usually ribbed or contoured to form a strong bond with the concrete.
Originally, concrete was never reinforced by reinforcing steel. It wasn’t until the 15th century when the first examples of rebar appeared.
Reinforcing steel is integral in building and construction where concrete is a key element and has been for centuries
There are two main types of reinforcing steel:
Steel mesh is ubiquitous in concrete reinforcing. It has a wide array of applications including driveway paving, patio and house slabbing, building reinforcement and uses in rural applications such as fencing. There are a few different types, including:
Square reinforcing mesh is a great multi-purpose reinforcement for concrete. Common uses include driveway paving, patio and house slabbing, building reinforcements. As its name implies, the mesh is square, and is also often ribbed to fuse better with the concrete.
Rectangular steel mesh is another common concrete reinforcement. The mesh is L-shaped and is commonly used in concrete slabs for pavements, panels, warehouse and industrial shed slabs, tilt-up slabs, driveways and patio slabs.
Trench mesh is a long, thin strip of steel mesh, commonly used in residential and industrial buildings to reinforce concrete footings and beams.
Reinforcing bars are long, thin, ribbed steel bars used for reinforcing concrete. There are a few common types, including:
Plain Round Bar
These are commonly used to separate layers of mesh in concrete slabbing or for joining concrete sections in paving.
Deformed bars are used to reinforce trench mesh or fabric sheets.
Starter bars are commonly used to connect reinforced concrete walls to slabs or footings.
Corner Bars are used to connect two elements of a structure that are at right angles to each other (eg: walls, slabs or beams)
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