Post-tensioning is a prestressing method in which high-strength steel tendons are tensioned after the concrete has been cast and achieved sufficient strength. The tendons are placed in ducts or sleeves within the concrete, and once the concrete has cured, they are stressed using hydraulic jacks and anchored at the ends of the member.
Key advantages:
- Enhances load-bearing capacity and structural efficiency
- Significantly reduces or eliminates cracking
- Allows for thinner slabs and longer spans
- Provides greater design flexibility
- Reduces overall structural weight and material costs
Post-tensioning is widely used in residential and commercial floor slabs, parking structures, bridges, and other applications where span length and structural efficiency are critical.
