STRUCTURAL WELDED WIRE REINFORCEMENT

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STRUCTURAL WELDEDWIRE REINFORCEMENTWIRE REINFORCEMENT INSTITUTE, Main Street Suite 300 Hartford, CT 06103 (800) 552-4WRI [4974] Set in ConcreteWIRE REINFORCEMENT INSTITUTE MANUAL OFSTANDARD PRACTICE12Manual ofStandard PracticeStructural WeldedWire ReinforcementIncludes latest developments on use of WWRunder American Concrete Institute Building Code 318Prepared under direction of the technical committees of theWire REINFORCEMENT Institute, IncorporatedPhoto Captions for Front Cover Photos1 Jacking bars are used to properly position WWRafter ready mix trucks leave and before screeding takes Properly positioning two layers of WWR onsteel Main Street, Suite 300Hartford, CT 06103Phone: (800) 522-4WRI [4974]Fax: (860) of Wire Description ........................................ ........................................ ...... Size Designation.

Nominal cross-sectional area of a deformed wire is determined from the weight (mass) per foot of wire rather than the diameter. 2.3 Style Spacings and sizes of wires in WWR are identified by “style.” A typical style designation is: 6 x 12–W12 x W5 This denotes a unit of WWR in which: • Spacing of longitudinal wire = 6” (152mm)

  Area, Unit, Mass, Weight