AASHTO M54 – Standard Specification for Welded Deformed Steel Bar Mats for Concrete Reinforcement
This specification covers material in mat (or sheet) form fabricated from deformed steel bars to be used for the reinforcement of concrete.
Mats consist of two layers of bars that are assembled at right angles to each other. Mats shall be assembled by welding at the intersections.
deformed steel bars; intersections; welded mats