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Advances in Materials Science and Engineering
Volume 2011, Article ID 430604, 6 pages
Research Article

The Effects of Different Types of Fly Ash on the Compressive Strength Properties of Briquettes

1Civil Engineering Department, Engineering Faculty, Istanbul University, Avcılar Campus, Avcılar, Istanbul, Turkey
2Yapi İnsaat Ltd. Co., Istanbul, Turkey
3Building and Technical Office, Istanbul University, Beyazıt Campus, Istanbul, Turkey
4Civil Engineering Department, Engineering and Architecture Faculty, Abdullah Gul University, Kayseri, Turkey

Received 10 May 2011; Accepted 9 July 2011

Academic Editor: Kin Ho Lo

Copyright © 2011 Özlem Çelik Sola et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


The aim of this study is to evaluate the effect of the different types of fly ash on the compressive strength properties of sintered briquettes. Thermal gravimetric (TG) analysis was carried out. The chemical composition and physical properties of the materials used were determined. Particle size distribution and microstructure elemental analyses of the materials used were carried out by a particle size analyzer (Mastersizer) and a scanning electron microscope (SEM-EDS). Following the characterization of the materials, briquettes were prepared by sintering at different temperatures. Compressive strength test results of the briquette samples indicated that briquettes with a compressive strength value of 47.45 N/mm2 can be produced. The results obtained exceed the Turkish standard (TS EN 771-1) requirements (9.8–23.54 N/mm2). SEM-EDS results showed that briquette samples made with Tunçbilek (T) fly ash had a higher percentage of the glassy phase than the other briquette samples. Due to this microstructure, it results in higher compressive strength value.