Strength and Abrasion Characteristics of ISF Slag Concrete
Publication: Journal of Materials in Civil Engineering
Volume 25, Issue 11
Abstract
Use of industrial by-products as raw materials in concrete is becoming necessary to address the sustainability of both the concrete and the industrial growth. The present study assesses the potential of imperial smelting furnace (ISF) slag as in concrete, considering the presence of toxic elements (lead and zinc) and their detrimental effects on the early hydration of cement. Equivalent volume of sand was replaced by ISF slag in different percentages. Concrete specimens were prepared at different water-to-cement ratios. Compressive, flexural, and pull-off strength, along with abrasion resistance, were examined. Leaching potentials of toxic lead, zinc, and cadmium from ISF slag concrete mixtures were also analyzed to evaluate environmental viability. Results are encouraging because sign of delay in setting was not observed. Improvement in compressive and pull-off strength, comparable flexural strength and abrasion resistance, and leaching of toxic elements within safe limits assures the potential of future use of ISF slag as sand in concrete.
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Acknowledgments
The authors gratefully acknowledge the financial support provided by the Department of Science and Technology, New Delhi, under the Women Scientist scheme (sanction number SR/WO-A/ET-39/2009), to accomplish this study.
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Published In
Journal of Materials in Civil Engineering
Volume 25 • Issue 11 • November 2013
Pages: 1611 - 1618
Copyright
© 2013 American Society of Civil Engineers.
History
Received: Dec 9, 2011
Accepted: Oct 8, 2012
Published online: Oct 11, 2012
Discussion open until: Mar 11, 2013
Published in print: Nov 1, 2013
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