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30014

Behavior of post and pre-heated RC short columns wrapped with ferrocement

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Last updated: 22 Jan 2023

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Abstract

Abstract
In this work, experimental and numerical studies were carried out to investigate the behavior of pre- and post-heated RC short columns wrapped by ferrocement overlays. Ten RC columns were constructed and tested expermintally under axial load. The tested columns were divided into unheated columns, post-heated columns, post-heated columns repaired with ferrocement, and heated wrapped columns. All heated columns were heated at a temperature of 300oC for 3 hours. The experimental results were utilized for validation of the finite element models which developed by using ANSYS 13 software package. Based on the experimental and numerical results it is suggested that an equation that could predict the ultimate load of pst heated RC short columns wrapped by ferrocement. Afterwards,a wide range of the analysis was conducted models were analyzed to observe the effect of other parametric studies on the enhancement of axial load of post-heated columns confined by ferrocement. The results of the design equation were mutually compared with both the experimental and numerical ones. The research proved that the repairing scheme has an efficiency in surpassing the failure load of and improving the ultimate strength of heated columns significantly. The results of both the finite element and the prediction of the equation gave a satisfactory agreement with experimental ones.

DOI

10.21608/iccae.2018.30014

Keywords

strengthening, RC columns, heat, ferrocement, ANSYS

Authors

First Name

Israa

Last Name

Abd Elhady

MiddleName

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Affiliation

Department of Civil Engineering, Faculty of Engineering, Fayoum University, Fayoum, Egypt.

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First Name

Mahmoud

Last Name

Elsayed

MiddleName

-

Affiliation

Department of Civil Engineering, Faculty of Engineering, Fayoum University, Fayoum, Egypt.

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Orcid

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First Name

Alaa

Last Name

Elsayed

MiddleName

-

Affiliation

Department of Civil Engineering, Faculty of Engineering, Fayoum University, Fayoum, Egypt.

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Orcid

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Volume

12

Article Issue

12th International Conference on Civil and Architecture Engineering

Related Issue

5224

Issue Date

2018-04-01

Receive Date

2019-04-14

Publish Date

2018-04-01

Page Start

1

Page End

18

Print ISSN

2636-4379

Online ISSN

2636-4387

Link

https://iccae.journals.ekb.eg/article_30014.html

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https://iccae.journals.ekb.eg/service?article_code=30014

Order

6

Type

Original Article

Type Code

834

Publication Type

Journal

Publication Title

The International Conference on Civil and Architecture Engineering

Publication Link

https://iccae.journals.ekb.eg/

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Article

Created At

22 Jan 2023