Concrete that has been specified as having an early age strength requirement.
Usually a compressive strength target is required before stressing can be completed.
![](https://www.advancedreadymix.net.au/wp-content/uploads/2021/02/Special_PostTensioned.jpg)
Concrete that has been specified as having an early age strength requirement.
Usually a compressive strength target is required before stressing can be completed.