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DSA Punching Reinforcement — Shear Rail Reinforcement for Concrete Structures

DSA Punching Reinforcement is a shear rail system approved by ICC Evaluation Service. It is mainly used to increase the punching shear capacity of elevated concrete slabs and slabs on grade without increasing their thickness.

DSA rails consist of steel double-headed DSA Studs welded to a steel shape. The steel shape guarantees the correct spacing and positioning of the studs during their installation in concrete as prescribed by ASTM-A1044. It can be applied to both top and bottom installation.

When used in elevated slabs such as reinforced concrete slabs or post-tensioned slabs, DSA Punching Reinforcement system eliminates the need for column capitals, thus reducing forming and concrete costs. Moreover, a thinner slab leads to a lower floor-to-floor height and, therefore, to a lower building height or possibly an extra floor. Besides increasing the resistance of the slab, DSA Punching Reinforcement also increases its ductility. Additional benefits of shear rails in comparison to other reinforcement systems are reduced installation time and labor costs.

Punching Reinforcement systems can also be used in foundations to reduce the thickness of footings, pile caps and slabs on grade. Other applications, such as DSA rails used as shear reinforcement in beams, walls and other concrete elements, are possible as well.

DSA Punching Reinforcement

Dimensions

DSA rails are dimensioned according to ACI 318-14, CSA A23.3-04 and ASTM A1044.

For dimensioning of DSA rails, we recommend our user-friendly dimensioning software Peikko Designer®, downloadable from Peikko’s Design Tools page.

Please contact our local Technical Support at any time for information or dimensioning questions.

Detailed technical information

Comprehensive product information and detailed information on product characteristics, resistances and required operating conditions are available on product’s Technical Manual.

Download design tools

Peikko Designer®

Including a wide range of European design norms and several languages, Peikko Designer® has dedicated modules for:

  • Column Connections
  • Punching Reinforcements
  • Anchor Plates

The modern and intuitive user interface is based on interactive 3D graphics.

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