Detensioning System

When the concrete has reached the required strength to counteract the retracting force of the internal prestressing wires, it is good practice to gradually release the tension before cutting the element to size.

This minimises the risks of concrete cracking if the tension were to be suddenly released whilst cutting when the whole of the element along the bed was still under tension. However this advice is at the discretion of the customer and the degree of safety and efficiency desired.

Detensioning pump unit

In the single wire stressing the detensiong pump unit is used for the control of the...

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Detensioning Cylinders

In the single wire stressing the detensioning cylinders are installed in the reaction...

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