Tecbor® Boards - Constructive Solutions
Tecbor® Boards - Reinforced Concrete Protection
Despite its lack of combustibility and low thermal conductivity, the concrete experiences during the fire the formation of porous pressures and ductile internal tensiones which generate explosives splinters. This results in the loss of sections and the exposure of the reinforcement steel to extremely high temperatures.
Furthermore, due to the warming, in particular to temperatures higher than 300 ºC, the concrete losses its resistance. These problems can be faced through
the passive fire protection of concrete structural elements.
The fire protection of the concrete structural elements is used to prevent the chip explosion, which a higher degree of concrete is much more sensitive to.
Overall, the passive fire protection has become a priority issue anywhere where a combination with the following aspects is presented: chip explosion prevention; reinforcement and steel protection; so it doesn’t exceed critical temperatures, protection so that the concrete doesn’t exceed excesive temperatures.
Protection of Beams & Concrete Slabs Tecbor® A (R-30 / R-240)
| TEST
Standard :UNE EN 13381-3 |
SOLUTION
1. Slab. |
Description of Assembly
As minimum and maximum thickness were tested, depending on the requested REI, a certain number of layers will need to be installed.
The Tecbor® boards are directly attached to the concrete using Hilti DBZ strike anchors. The Tecbor® Boards are butted together without the need for any type of jointing paste.
Only in the case were te gap between jjoints is greater than 3 mm will the application of Tecsel® Intumescent Mastic be required.
Product document
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