Concrete - Post Tensioning Sequence:
- Concrete poured 1st Bay.
- After 48 hrs concrete is stressed to initial strength (15 kN takes 1 day).
- 5 days after initial stressing, concrete is stressed to final strength (30 kN takes 1 day).
- Formwork may now be struck and adjacent bay poured.
Post Tensioning
Task / DescriptionSlow Ave Fast Units Lag for Initial Stress Tensioning after 1st bay cast- 48.0 - hrs Lag for Final Stress Tensioning after Initial Stress- 120.0 - hrs