Fire Effect on Concrete Containing Red Clay (Homra ) as a Partial Replacement of Both Cement and Sand

Heba A. Mohamed

Fire Effect on Concrete Containing Red Clay (Homra ) as a Partial Replacement of Both Cement and Sand

Heba A. Mohamed * §

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Zagazig University

Fire Effect on Concrete Containing Red Clay (Homra ) as a Partial Replacement of Both Cement and Sand

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Abstract

The partial replacement of cement and sand with red clay (called also homra) in the concrete is investigated in this study, with reference to fire resistance. As a natural pozzolanic material commonly found in desert areas, homra is extensively used in brick manufacturing. As a waste material from this industry, homra is hazardous for the environment, and using homra in concrete production may reduce its environmental impact, with the plus that homra reacts with the lime resulting from the hydration of ordinary Portland cement (OPC). In this study, replacing OPC and sand (15%, 20 %, 25 and 30% by mass) with homra has been investigated to have information on the mechanical behavior of homra-modified concretes after being exposed to fire for half-an-hour or one-hour. After heating, the specimens were either quenched in water or cooled in air. The tests show that the optimal replacement rate is 15% for the cement and 25% for the sand, in terms of enhanced compressive, tensile and flexural strength.

References

12 Cites in Article

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Funding

No external funding was declared for this work.

Conflict of Interest

The authors declare no conflict of interest.

Ethical Approval

No ethics committee approval was required for this article type.

Data Availability

Not applicable for this article.

How to Cite This Article

Heba A. Mohamed. 2017. "Fire Effect on Concrete Containing Red Clay (Homra ) as a Partial Replacement of Both Cement and Sand". Global Journal of Research in Engineering - E: Civil & Structural GJRE-E Volume 17 (GJRE Volume 17 Issue E1).

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GJRE Volume 17 Issue E1

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Journal Specifications

Crossref Journal DOI 10.17406/gjre

Print ISSN 0975-5861

e-ISSN 2249-4596

Keywords

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Classification

GJRE-E Classification FOR Code: 090599

Submission ReceivedDecember 11, 2016
Peer Review Double Blind
Handling Editor
Accepted January 2, 2017
Published January 15, 2017

Version of record

v1.2

Issue date

August 11, 2017

Language

English

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Article Matrices

Total Score: 101

Country: Egypt

Subject: Global Journal of Research in Engineering

Authors: Heba A. Mohamed (PhD/Dr. count: 0)

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Publish Date: 2017 01, Sun

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