A straight post-tensioning tendon has a wobble factor of K = 0.003/m. The tendon is stressed to 1400 MPa at the jacking end and then anchored. Due to wedge draw-in, the tendon slips back a distance of 6 mm during anchoring. Over what length of tendon will the stress be reduced because of wedge draw-in? What will be the highest stress in the tendon immediately after anchoring? What will be the stress in the tendon at the anchor? Assume E, = 200,000 MPa. Aps=2800 mm²

A straight post-tensioning tendon has a wobble factor of K = 0.003/m. The tendon is stressed to 1400 MPa at the jacking end and then anchored. Due to wedge draw-in, the tendon slips back a distance of 6 mm during anchoring. Over what length of tendon will the stress be reduced because of wedge draw-in? What will be the highest stress in the tendon immediately after anchoring? What will be the stress in the tendon at the anchor? Assume E, = 200,000 MPa. Aps=2800 mm²

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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