Description
Well-Void Type FR tendon sheathing is a unique range of small diameter corrugated tubing.
Well-Void sheathing can also be supplied in a range of flat-oval sizes for applications with grouting space restrictions.
A choice of external coupling sleeves are available:-
Screw couplers
Engage over the corrugation helix. Generally 300mm long.
Push couplers
Provide a central swage stop to ensure an even joint. Generally 100mm long.
Both couplers require on-site grout sealing.
Applications
Well-Void Type FR tendon sheathing is suitable for pre-stressed concrete bridges, floors etc., and is also used in cut-lengths as dowel pocket formers in pre-cast concrete structures.
The sheathing can also be delivered pre-bent to most desired radius or curvature. Also available are standard grout saddles and gaskets, grout hose and heat shrink sleeve seals.
Sizes
Well-Void Type FR is available from 40mm – 125mm
Well-Void Flat Oval is available from 50mm x 25mm up to 160mm x 80mm, but any sizes between these measurements can be achieved on request.
Features
![icon_8](https://wells-spiral.co.uk/wp-content/uploads/2014/08/icon_8.png)
Well-Void sheathing is manufactured from standard 0.4mm or 0.5mm steel making Well-Void far stronger than other alternatives with up to 100% more steel.
![icon_9](https://wells-spiral.co.uk/wp-content/uploads/2014/08/icon_9.png)
The roll formed external corrugations increase rigidity and ensure a first class bond to concrete.
![icon_6](https://wells-spiral.co.uk/wp-content/uploads/2014/08/icon_6.png)
The extra strength makes it less susceptible in transit and site damage.
![icon_10](https://wells-spiral.co.uk/wp-content/uploads/2014/08/icon_10.png)
Allows greater unsupported spans to be made saving support materials and reducing fixing time.