Pre-tensioning and Post-tensioning the two techniques are utilized under pre-focusing on process which has barely any edges over the customary non-focused on structures like more prominent range to profundity proportion, higher minute and shear limit. These strategies are commonly embraced really taking shape of PSC braces, sleepers and so on.
Pre – Tensioning
1-In this technique the solid is prestressed with ligaments before it is putting in position.
2-This technique is created because of holding between the solid and steel ligaments .
3-Pre tensioning is favored when the auxiliary component is little and simple to moved.
4-Pre-tensioning individuals are delivered in form.
Post – Tensioning
1-In this technique prestressing is done after the solid achieves it's quality
2-This technique is created because of bearing
3-Post tensioning is favored when the auxiliary component is overwhelming
4-In this technique items are changed by structure .
5-Links are utilized instead of wires and jacks are utilized for extending.
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