Engineering Mechanics

Proceedings Vol. 26 (2020)

ENGINEERING MECHANICS 2020

Copyright © 2020 Brno University of Technology Institute of Solid Mechanics, Mechatronics and Biomechanics

 

Hollý I., Abrahoim I., Ondak A.
pages 194 - 197, full text

In prestressed concrete structural members, the prestressing force is usually transferred from the prestressing steel to the concrete in one of two different ways. For pretensioned members, the force is transferred by bond between the tendon and the concrete. In post-tensioned construction, relatively small anchorage plates transfer the force from the tendon to the concrete immediately behind the anchorage by bearing at each end of the tendon. In most post-tensioned members, the prestressing wires are introduced in cable holes or ducts, pre formed in the members, and then stressed and anchored at the end faces. As a result of this, large forces, concentrated over relatively small areas are applied on the end blocks. This highly discontinuous forces which are applied at the end, develop transverse and shear stresses. This paper in short describes design of reinforcement in anchorage zone of post-tensioned concrete structures according to European standard.

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