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Home»Articles»Investigation on the Properties of HPC Exposed to Elevated Temperatures

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Asian Journal of Engineering and Applied Technology (AJEAT)

Editor Dr. Seshadri Ramkumar
Print ISSN : 2249-068X
Frequency : Quarterly

Investigation on the Properties of HPC Exposed to Elevated Temperatures

Author : Assia Aidoud and Abdelhalim Benouis
Volume 5 No.2 July-December 2016 pp 6-14

Abstract

When concrete is subjected to elevated temperatures, a destruction of its constituent hydration products can be occurred. This destruction implies a weakening of the material degradation of its mechanical properties such as stiffness and strength. The elevated temperature generates significant fluid pressure, leading to damage it and also causing breakdown of the concrete, which is characterized by the deteriorations of the hydrated material.This study focuses the evolution of residual properties of three High performance concrete (HPC). The specimens (16×32) cm2 were subjected to different temperatures: 200°C, 400°C and 600°C with a rate of 2°C/min followed by a stage of three hours at the target temperature and then cooling to room temperature. The evaluation of different properties was evident compared to room temperature (20°C), with a maximum drop of compressive strength is of 79%. The loss of tensile strength is 62%. Losses masses and decreases dynamic elastic modulus are 6% and 89% respectively. It was observed an explosive burst of one of HPC between 400°C and 600°C. Keywords: HPC, weight loss, high temperatures, strength, dynamic elastic modulus, explosive.

Keywords

HPC, weight loss, high temperatures, strength, dynamic elastic modulus, explosive.

Full Text:

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Asian Journal of Engineering and Applied Technology is a peer-reviewed International research journal aiming at promoting and publishing original high quality research in all disciplines of engineering and applied technology. All research articles submitted to AJEAT should be original in nature, never previously published in any journal or presented in a conference or undergoing such process across the world. All the submissions will be peer-reviewed by the panel of experts associated with particular field. Submitted papers should meet the internationally accepted criteria and manuscripts should follow the style of the journal for the purpose of both reviewing and editing.

AJEAT is covering all aspects of Engineering and Applied Technology areas. Topics include, but are not limited to:

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Agricultural engineering
Architectural engineering
Bioengineering and biomedical engineering
Chemical engineering
Civil engineering
Computer engineering
Computer science and information science
Electrical engineering and electronics engineering
Environmental engineering

Industrial engineering
Metallurgical engineering
Ceramic engineering
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Plastics engineering and polymer science
Textile & Fashion Technology

When concrete is subjected to elevated temperatures, a destruction of its constituent hydration products can be occurred. This destruction implies a weakening of the material degradation of its mechanical properties such as stiffness and strength. The elevated temperature generates significant fluid pressure, leading to damage it and also causing breakdown of the concrete, which is characterized by the deteriorations of the hydrated material.This study focuses the evolution of residual properties of three High performance concrete (HPC). The specimens (16x32) cm2 were subjected to different temperatures: 200°C, 400°C and 600°C with a rate of 2°C/min followed by a stage of three hours at the target temperature and then cooling to room temperature. The evaluation of different properties was evident compared to room temperature (20°C), with a maximum drop of compressive strength is of 79%. The loss of tensile strength is 62%. Losses masses and decreases dynamic elastic modulus are 6% and 89% respectively. It was observed an explosive burst of one of HPC between 400°C and 600°C. Keywords: HPC, weight loss, high temperatures, strength, dynamic elastic modulus, explosive.

Editor-in-Chief
Dr. Seshadri Ramkumar
Department of Environmental Toxicology, Texas Tech University, Texas
[email protected]
Editorial Advisory Board
Dr. Kamarul Ariffin Bin Noordin
Department of Electrical Engineering, University of Malaya, Malaysia
[email protected]
Dr. Benjamin T.F. Chung
Department of Mechanical Engineering, University of Akron, Akron, USA
[email protected]
Dr. Mohd Faiz Bin Mohd Salleh
Department of Electrical Engineering, University of Malaya, Malaysia
[email protected]
Dr. Suhana Binti Mohd Said
Department of Electrical Engineering, University of Malaya, Malaysia
[email protected]
Dr. Norrima Binti Mokhtar
Department of Electrical Engineering, University of Malaya, Malaysia
[email protected]
Dr. Mohamadariff
Department of Electrical Engineering, University of Malaya, Malaysia
[email protected]

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    Editorial Note

    Editorial Dr. Seshadri Ramkumar

    Editor-in-Chief
    Dr. Seshadri Ramkumar
    Department of Environmental Toxicology, Texas Tech University, Texas
    [email protected]
    Editorial Advisory Board
    Dr. Kamarul Ariffin Bin Noordin
    Department of Electrical Engineering, University of Malaya, Malaysia
    [email protected]
    Dr. Benjamin T.F. Chung
    Department of Mechanical Engineering, University of Akron, Akron, USA
    [email protected]
    Dr. Mohd Faiz Bin Mohd Salleh
    Department of Electrical Engineering, University of Malaya, Malaysia
    [email protected]
    Dr. Suhana Binti Mohd Said
    Department of Electrical Engineering, University of Malaya, Malaysia
    [email protected]
    Dr. Norrima Binti Mokhtar
    Department of Electrical Engineering, University of Malaya, Malaysia
    [email protected]
    Dr. Mohamadariff
    Department of Electrical Engineering, University of Malaya, Malaysia
    [email protected]

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