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Tendon Stress in Unbonded Partially Prestressed Concrete Beams

Campbell, T. I.

Abstract A post-tensioned prestressed concrete member may be classified as either bonded or unbonded. In a bonded member cement or epoxy grout is injected into the ducts containing the prestressing tendons, after the desired prestressing force has been applied, to establish bond between the tendons and the ducts. Alternatively, the ducts may be left empty, or filled with grease, in which case no bond exists between the tendons and the ducts, resulting in an unbonded member. Prestressed members may also be classified as either fully or partially prestressed. Fully prestressed members contain only prestressed reinforcement, whereas partially prestressed members contain bonded nonprestressed reinforcement in addition to prestressed reinforcement in the tension zone.

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Tendon Stress in Unbonded Partially Prestressed Concrete Beams

Campbell, T. I.

Abstract A post-tensioned prestressed concrete member may be classified as either bonded or unbonded. In a bonded member cement or epoxy grout is injected into the ducts containing the prestressing tendons, after the desired prestressing force has been applied, to establish bond between the tendons and the ducts. Alternatively, the ducts may be left empty, or filled with grease, in which case no bond exists between the tendons and the ducts, resulting in an unbonded member. Prestressed members may also be classified as either fully or partially prestressed. Fully prestressed members contain only prestressed reinforcement, whereas partially prestressed members contain bonded nonprestressed reinforcement in addition to prestressed reinforcement in the tension zone.

Tendon Stress in Unbonded Partially Prestressed Concrete Beams

Campbell, T. I.

Abstract A post-tensioned prestressed concrete member may be classified as either bonded or unbonded. In a bonded member cement or epoxy grout is injected into the ducts containing the prestressing tendons, after the desired prestressing force has been applied, to establish bond between the tendons and the ducts. Alternatively, the ducts may be left empty, or filled with grease, in which case no bond exists between the tendons and the ducts, resulting in an unbonded member. Prestressed members may also be classified as either fully or partially prestressed. Fully prestressed members contain only prestressed reinforcement, whereas partially prestressed members contain bonded nonprestressed reinforcement in addition to prestressed reinforcement in the tension zone.

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Title:

Tendon Stress in Unbonded Partially Prestressed Concrete Beams

Contributors:

Campbell, T. I. (author)

Published in:

Progress in Structural Engineering ; 185-198

Solid Mechanics and Its Applications ; 10

Publication date:

1991-01-01

Size:

14 pages

ISBN:

978-94-011-3616-7 , 978-94-010-5604-5

ISSN:

DOI:

https://doi.org/10.1007/978-94-011-3616-7_13

Type of media:

Article/Chapter (Book)

Type of material:

Electronic Resource

Language:

English

Keywords:

Reinforce Concrete , Concrete Beam , Plastic Hinge , Depth Ratio , Reinforce Concrete Beam Engineering , Civil Engineering , Mechanics

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