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131367

Durability performance of silica fume Self-Compacting Concrete

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Last updated: 24 Dec 2024

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Abstract

  The main objective of this research is to investigate the influence of silica fume on the characteristics of SCC in fresh, hardened states and durability performance. Five mixes produced: four of them contain different percentages of SF and the last one is control mixture without SF. Fresh properties were measured by three tests: - slump flow cone to measure flowability for concrete, L-box test to measure the concrete ability for passing and Screen stability to measure segregation resistance. The mechanical property was determined by measuring compressive strength, tensile and flexural strengths. Durability performance was determined by measuring sulfate resistance, chloride resistance, RCPT and permeability of specimens. The microstructural analysisfor the consolidated concrete was determined by SEM. The results of the tests indicate that there is a noticeable improvement on the mechanical and durability performance of SCC by increasing the percent of SF to about 16% as a percent ofcement weight.Furthermore, the enhancement inpermeation properties was more significant when SF percent increased to 20% of cement weight.The

DOI

10.21608/erj.2019.131367

Keywords

Self compacting concrete, Silica Fume, Hardened properties, Durability performance, scanning electron microscopy (SEM), rapid chloride penetration test (RCPT)

Authors

First Name

Taha

Last Name

E. Taha

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Affiliation

Professor, Structural Engineering Dept., Faculty of Engineering, Mansoura University, Egypt. Professor, Structural Engineering Dept., Faculty of Engineering, Mansoura University, Egypt

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First Name

Ahmed

Last Name

M. Tahwia

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Affiliation

Professor, Structural Engineering Dept., Faculty of Engineering, Mansoura University, Egypt.

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Orcid

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First Name

Ahmed

Last Name

H. Abdelraheem

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Affiliation

Professor, Structural Engineering Dept., Faculty of Engineering, Mansoura University, Egypt

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Volume

164

Article Issue

0

Related Issue

18567

Issue Date

2019-12-01

Receive Date

2020-12-21

Publish Date

2019-12-01

Page Start

193

Page End

213

Print ISSN

1110-5615

Article File

ERJ_Volume 164_Issue 0_Pages 193-213.pdf

PDF . 1.1MB

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https://erj.journals.ekb.eg/article_131367.html

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https://erj.journals.ekb.eg/service?article_code=131367

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Original Article

Type Code

998

Publication Type

Journal

Publication Title

Engineering Research Journal

Publication Link

https://erj.journals.ekb.eg/

MainTitle

Durability performance of silica fume Self-Compacting Concrete

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Article

Created At

22 Jan 2023