Sizes Explain the sizing convention used for steel reinforcing rods. Identify the common sizes of reinforcing steel rods and welded wire mesh. Stirrups Explain the purpose of a stirrup. Identify open and closed stirrups. Dowels Explain the purpose of dowels.
Hooks Explain the purpose of hooks.
Identify 90 and 180 degree hooks. Trussing Explain the purpose of truss reinforcing. Identify trussed reinforcing. Ties Explain the purpose of ties. Identify a rectangular column tie.