Advantages
Stirrup spacers hook onto the inner cage and snap lock firmly onto the outer cage to form a rigid integral unit of reinforcement while spacing against the form surface to achieve the specified concrete cover.
Stirrup action between cages resists pipe shear and tensile stresses at critical locations increasing pipe strength.
Stirrup spacers can be used in packerhead, vibration, and wet cast production of circular and elliptical pipe.
Stock sizes are available for B-wall and C-wall thicknesses from 3'' to 10'' at ?” increments. Larger sizes can be manufactured quickly upon request.
For tightness across cages, stock sizes A=2" (36B) and larger are manufactured 1/8” less than the "A" size listed.
Stirrup spacers are manufactured from #3 GA. (0.243" DIA.) Bright basic wire to A.S.T.M. A-82 specifications.