Fabricated Deformed Steel Bar Mats

As concrete contractors began to think of it as rebar welded into a mat the name bar mat stuck.

Fabricated deformed steel bar mats.

Mats are made from two layers of bars that are assembled by welding the intersections at right angles to each other. Payment for steel in laps will be made as indicated or required. Concrete is strong under compression but has weak tensile strength rebar significantly increases the tensile strength of the. Aashto m 334m m 334 standard specification for uncoated corrosion resistant deformed and plain chromium alloyed billet steel bars for concrete reinforcement and dowels.

1 1 2 fabricated deformed steel bar mats 1 1 2 1 payment payment will be made for costs associated with furnishing and placing fabricated deformed steel bar mats for concrete reinforcement. The mats are resistance welded using computer controlled automated welders that produce custom designed flat sheets that can be bent rolled and. Mats are made from two layers of bars that are assembled by welding the intersections at right angles to each other. Specification for fabricated deformed steel bar mats for concrete reinforcement.

4 use deformed bars. Rebar short for reinforcing bar known when massed as reinforcing steel or reinforcement steel is a steel bar or mesh of steel wires used as a tension device in reinforced concrete and reinforced masonry structures to strengthen and aid the concrete under tension. 4 1 provide longitudinal bars conforming to grade 60 of 709 01 709 03 or 709 05. Provide fabricated steel bar or rod mats for concrete reinforcement conforming to astm a 184 a 184m with the following modifications.

1 1 this specification covers material in mat or sheet form fabricated from deformed steel bars to be used for the reinforcement of concrete. Specification for plain steel wire for concrete reinforcement. A184 79 standard specification for fabricated deformed steel bar mats for concrete reinforcement products and services standards publications standards products astm a184 79. No payment will be made for additional steel in laps wherein the additional steel lap was made.