PUNCHING AND SHEAR REINFORCEMENT SYSTEM

The Punching and Shear Reinforcement System was designed against punching shear failure and shear failure of slabs. It's recommended by NBR 6118:2014 under item 19.5. The double-headed connectors has the following advantages:

  • More efficient mechanical conditions than others soluctions in the market;

  • Forged heads free from structural welding;

  • Easy instalation, even posteriorly the assembly of all passive or active armor;

  • Lower installation cost.

Typical Forces Diagram

Punção, Combate a Punção, Conector de Punção, Stud, Stud Bolt
Punção, Combate a Punção, Conector de Punção, Stud, Stud Bolt
Punção, Combate a Punção, Conector de Punção, Stud, Stud Bolt

Trejor double-headed connector has better mechanical conditions for anchorage than the other soluctions in the market.

Punção, Combate a Punção, Conector de Punção, Stud, Stud Bolt

Compression

Traction

punção ingles.png

Resistance of Trejor Double-Headed Connector

CA- 50 Diameter

(mm)

Head  Diameter

(mm)

Resistance

(kN)

Arrangements

Punção, Combate a Punção, Conector de Punção, Stud, Stud Bolt

Flection Armor

Radial

Spacing

Radial

Spacing

Radial

Spacing

Radial

Spacing

Covering

SLAB

 

OR

CAPITAL

Connector

Collumn

Edge of Column to First Connector