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Losses in Prestress Video Lecture | Civil Engineering Optional Notes for UPSC

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FAQs on Losses in Prestress Video Lecture - Civil Engineering Optional Notes for UPSC

1. What are the different types of losses in prestress?
Ans. The different types of losses in prestress include friction losses, anchor set losses, elastic shortening losses, and shrinkage losses.
2. How do friction losses occur in prestress?
Ans. Friction losses occur in prestress due to the resistance between the prestressing tendons and the ducts or anchorages during the stressing process.
3. What are anchor set losses in prestress?
Ans. Anchor set losses in prestress refer to the loss of prestress force that occurs when the prestressing tendons are anchored at the ends.
4. How are elastic shortening losses accounted for in prestress design?
Ans. Elastic shortening losses are accounted for in prestress design by considering the reduction in prestress force due to the elastic shortening of the concrete under load.
5. Why is it important to consider shrinkage losses in prestress design?
Ans. It is important to consider shrinkage losses in prestress design because they can lead to a decrease in the prestress force over time, affecting the overall performance and durability of the structure.
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