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It is based on the concept of reinforcement.

asked Mar 10, 2019 in Civil Engineering by Utpal Biswas | 103 views

1 Answer

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1. Spalling Reinforcement :- 

These stresses are induced by strain incompatibility with Poisson’s effects or by the shape of stress trajectories.

2. Equilibrium Reinforcement :-

Equilibrium reinforcement is required where there are several anchorages in which prestressing loads are applied sequentially.

3. Bursting Reinforcement :-

Tensile stresses are induced during prestressing operation and the maximum bursting stress.
Trajectories are concave towards Action of the loads. Reinforcement is needed to resist these lateral tensile forces.
answered Mar 14, 2019 by Syed Saif Ali