Void Forming Tubes
Economical and easy application
Displacement pipes allow for the safe, quick and economical construction of hollow bodies in hollow plate bridges and ceilings. The dimensional accuracy, tightness and high resistance to deformation of these industrial cavity elements guarantee the implementation of the calculated static values in the structure.
Easy and flexible
Despite their low weight, the displacement pipes can be installed in the concrete without stiffening. Additionally, the corrugated profile provides a certain flexibility, which allows for the laying of displacement pipes also in a bent course. Despite these characteristics, the resistance of the pipe to longitudinal deformation is so high that the distances between the lift prevention locks can principally be adapted to the stability of the applied supports.If the displacement pipes are to be secured against lift, it is recommendable to apply the specifically developed Hydra single and double anchoring elements. They are tested for their static properties and guarantee utmost avoidance of showings, above all of rust stains at the bottom of the ceiling.
The different assembling and disassembling methods of the supports allow for compliance with the individual requirements in the individual structures. it is possible to install and to remove the lift prevention locks exclusively from above, if this should be very difficult or impossible from below, due to the specific conditions.
Your Advantage:
- greatest available dia. 1,500
- Delivered in every transportable length
- Additional shearing connection with the concrete by means of their corrugated profile
- The implemented reduction of the Tube end avoid undesired notch tensions
The connection to the required assembly lengths is carried out on the construction site either by connecting individual pipes whose both ends are sealed with steel lids against the intrusion of concrete (finished assemblies) or by connecting the individual pipes with plug-in sockets, with only the first and the last pipe of the line being sealed with a lid (connected assemblies). Lines which consist of connected assemblies allow for the laying of supply lines through the hollow bodies.
Instead of sealing the pipes with steel lids, equipment with conical seals is possible. The implemented reduction of the pipe end lengths avoid undesired notch tensions.
A ventilation system for the individual pipes, or a joint ventilation of the pipe line can be provided or prepared by the manufacturer for the purpose of ventilation or drainage of the pipe lines.
If the displacement pipes are to be secured against lift, it is recommendable to apply the specifically developed Hydra single and double anchoring elements. They are tested for their static properties and guarantee utmost avoidance of showings, above all of rust stains at the bottom of the ceiling. The different assembling and disassembling methods of the supports allow for compliance with the individual requirements in the individual structures. it is possible to install and to remove the lift prevention locks exclusively from above, if this should be very difficult or impossible from below, due to the specific conditions.
Lids, End cones, Plug-on socket
Instead of sealing the pipes with steel lids, equipment with conical seals is possible. The implemented reduction of the pipe end lengths avoid undesired notch tensions.
The different assembling and disassembling methods of th supports allow for compliance with the individual requirements in the individual structures.
Anchoring
Anchoring generell
If the displacement pipes are to be secured against lift, it is recommendable to apply the specifically developed Hydra single and double anchoring elements. They are tested for their static properties and guarantee utmost avoidance of showings, above all of rust stains at the bottom of the ceiling. The different assembling and disassembling methods of the supports allow for compliance with the individual requirements in the individual structures.
Twin Anchoring with Locking Tie Rod
Before being embedded in concrete, displacement pipes must be secured against lifting in the unhardened concrete. This can be achieved by the temporary application of load which, however, will cause additional stress to the sheathing and the supporting structure and will hinder the concrete work. The better solution therefore is the anchoring of pipes below the sheathing. The strength of the lifting forces is quite often underrated in practice, especially with pipes of greater diameters. it is therefore recommendable to use statically tested anchoring systems. Hydra tie rods are statically tested and have proven their economical application in practice.
permissable Anchoring distances and assembly instructions as well as more Accessories on demand.
Spacers
Removal of Traces in the Concrete
The holes for the anchoring rods which remain in the concrete after the removal of the sheathing can be closed quickly and tightly with plastic plugs.
This allows for optimum compliance with all demands on the visible surface of concrete structures.
Spacers
Hydra spacers come with fiber-reinforced concrete stones, in which the spacer has been installed by the constructor. In this version, the distance between the foot and the free concrete surface is 30 mm (DIN standard 1045). This will avoid corrosion stains at the bottom of the ceiling.