1477

MOMENT REDISTRIBUTION OF CONTINUOUS FULLY PRESTRESSED CONCRETE BEAMS

Article

Last updated: 05 Jan 2025

Subjects

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Tags

Prestress
Full Prestressing
continuous beams
moment redistribution
Ductility
MOMENT REDISTRIBUTION OF CONTINUOUS FULLY PRESTRESSED CONCRETE BEAMS
ICASGE'23

Abstract

In the current practices of structural design, the concept of moment redistribution in conjunction with linear analysis is well known and widely accepted. There are numerous studies and various references that deal with this issue and different codes propose various provisions for the permissible amount of redistribution. To date, there is a debate on the extent of redistribution permitted by different codes of practice. The amount of moment redistribution in continuous prestressed concrete beams depends on number of factors including the amount of tension, compression reinforcement, cable profile as well as concrete strength. This paper presents an experimental program conducted to investigate the behavior of continuous fully prestressed concrete (PC) beams. The program consists of a total of eight continuous beams with overall dimensions equal to 150 x 300 x 8000-mm and clear spans equal to 3850-mm. The results presented in this paper are for four specimens. The beams were tested using 5 points loads up to failure to examine its behavior. Different cable profiles and concrete strength were used to predict the actual moment redistribution percentage for each parameter. A comparison between the experimental results and the available international codes are presented.

Keywords

Prestress, Full Prestressing, continuous beams, moment redistribution, Ductility

Authors

First Name

Eslam

Last Name

Mousa A.

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Orcid

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First Name

Tamer

Last Name

H. El-Afandy

Affiliation

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Orcid

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First Name

Amr

Last Name

A. Abdelrahman

Affiliation

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Email

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Orcid

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Volume

ICASGE2017

Issue Date

1 Jan 2017

Publish Date

29 May 2022

Link

https://icasge.conferences.ekb.eg/article_1477.html

Order

206

Publication Type

Conference

Publication Title

ICASGE'23

Publication Link

https://icasge.conferences.ekb.eg/

Details

Type

Article

Locale

en

Created At

13 Dec 2022