How can we reduced frictional losses, Civil Engineering

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How can we reduced frictional losses

Frictional losses can be reduced by several methods, such as :

(a) Over-tensioning the tendons by an amount equal to the maximum frictional loss, and

(b) Jacking the tendons from both ends of the beam, generally adopted when the tendons are long or when the angles of curvature are large.

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