Tie bar holders as welded and canted support cages made of wire rod S 235 JR (diameter Ø 5 mm) are use to ensure tie bars in a longitudinal contraction joint keep their required position during construction. They are produced as wide holders.
For support cage stability reasons it is advisable to secure each tie bar with an individual support cage if the tie bar spacing is irregular or very large.
The following details are needed for costing and production:
- Joint type (contraction or compression joint)
- Pavement thickness (height of the concrete)
- Tie bar spacing
- Holder length; whereby the maximum production length is 4.0 m;
2 – piece tie bar holders are made for larger working widths.