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182872

EXPERIMENTAL STUDY ON THE BEHAVIOUR OF HIGH-STRENGTH PARTIALLY PRESTRESSED T-SECTIONBEAMS

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Last updated: 05 Jan 2025

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Abstract

In recent years, high strength concrete (HSC) has been widely used. With advent of super plasticizers and micro-silica; HSC with strength higher than 100 MPa can be reached. This helped in many fields of construction; specifically pretensioned bridge girders. This high strength permitted longer spans, larger spacing between girders thus reducing total bridge cost. Lately, designers have been using partially prestressed members technique, which tends to decrease the prestressing steel and eventually leads to more economical sectional design. The Use of HSC partially prestressed girders is very promising, however HSC was found to be more brittle. Accordingly, the girder may exhibit brittle/less ductile behavior and less deformability. There is also lack of knowledge about the effect of HSC on cracking pattern of such members. This study presents experimental observations for the deflection and cracking behaviour along with ductility study of six tested partially prestressed beams.

Keywords

Partially Prestressed, high-strength concrete, Deflection Behaviour, Cracking Behaviour, Serviceability

Authors

First Name

Tariq

Last Name

Al Hashemi

MiddleName

Hani

Affiliation

Teaching Assistant, Structural Dept., Ain Shams University, Egypt

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Volume

53

Article Issue

1

Related Issue

26047

Issue Date

2014-12-01

Receive Date

2014-02-09

Publish Date

2014-12-01

Page Start

19

Page End

11

Print ISSN

1110-1253

Online ISSN

2735-5500

Article File

EGSEN_Volume 53_Issue 1_Pages 19-11.pdf

PDF . 399.3kB

Link

https://egsen.journals.ekb.eg/article_182872.html

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https://egsen.journals.ekb.eg/service?article_code=182872

Order

9

Type

Scientific and technological

Type Code

1,881

Publication Type

Journal

Publication Title

Journal of the Egyptian Society of Engineers

Publication Link

https://egsen.journals.ekb.eg/

MainTitle

EXPERIMENTAL STUDY ON THE BEHAVIOUR OF HIGH-STRENGTH PARTIALLY PRESTRESSED T-SECTIONBEAMS

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Article

Created At

23 Jan 2023