Effects of Elevated Temperature on Compressive Strength and Weight Loss of the Light-Weight Concrete With Silica Fume and Superplasticizer

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2008

Authors

Sancak, Emre
Sarı, Yasin Dursun
Sari, Y. Dursun
Simsek, Osman

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Elsevier Sci Ltd

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Department of Civil Engineering
Civil Engineering Department of Atılım University, this opportunity can be attained by two Master of Science programs (with thesis or non-thesis). These programs are divided into the following subdivisions: 1) Construction Management, 2) Materials of Construction, 3) Geotechnical Engineering, 4) Hydromechanics and Water Resources Engineering, 5) Structural Engineering and Mechanics, and 6) Transportation Engineering. So, you can find among these alternatives, a subdiscipline that focuses on your interests and allows you to work toward your career goals. Civil Engineering Department of Atılım University which has a friendly faculty comprised of members with degrees from renowned international universities, laboratories for both educational and research purposes, and other facilities like computer infrastructure and classrooms well-suited for a good graduate education.

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Abstract

In this study, structural light-weight concretes produced by Pumice (LWC) and concretes with normal-weight aggregate (NWC) were investigated. Compressive strength and weight loss of the concretes were determined after being exposed to high temperatures (20, 100, 400, 800, 1000 degrees C). To achieve these objectives, 12 different types of concrete mixtures were produced. In producing the mixtures, silica fume (SF) was used to replace the Portland cement in the ratios of 0%, 5% and 10% by weight. Half of the mixtures were obtained by adding superplasticizers (SP) to the above mixtures in the ratio of 2% by weight. In conclusion; unit weight of LWC was 23% lower than that of NWC. The LWC containing 2% SP could retain 38% of the initial compressive strength. Rate of deterioration was higher in NWC when compared to LWC. The loss of compressive strengths increased depending on the ratio of using SF at about 800 degrees C and over. (C) 2008 Elsevier Ltd. All rights reserved.

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SARI, Yasin Dursun/0000-0002-2859-7465;
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SARI, Yasin Dursun ORCID logo

Keywords

light-weight concrete, pumice, high temperature, silica fume

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131

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Volume

30

Issue

8

Start Page

715

End Page

721

URI

https://doi.org/10.1016/j.cemconcomp.2008.01.004
 https://hdl.handle.net/20.500.14411/1038

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