Ecofriendly Concrete with High Volume of Lagoon Ash
Publication: Journal of Materials in Civil Engineering
Volume 18, Issue 3
Abstract
A high volume of lagoon (pond) ash produced as a waste from the thermal power station in India is used as a replacement of cement (55–65%) in concrete. The test specimens were prepared with and without superplasticizer. No air-entraining agent was used. At constant slump, the required amount of water reduced with the addition of lagoon ash. The slump retention property of the concrete with superplasticizer and lagoon ash was studied. A substantial increase in the setting time (initial and final) was observed. The development of early strength was low. The strength for concrete with lagoon ash, without the addition of superlasticizer, was in the range of for 65 and 55% cement replacement, respectively. The change in strength of concrete was observed over a period of in the present study. The investigation shows a scope to utilize lagoon ash in concrete. An attempt was made to use lagoon ash in the concrete mix, referred as dry lean concrete, used as base course for concrete pavements.
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Acknowledgment
The experimental work reported in this paper was carried in the Materials Laboratory of the Center for Postgraduate Studies and Research, Bharati Vidyapeeth Deemed University College of Engineering, Pune, India.
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Information & Authors
Information
Published In
Journal of Materials in Civil Engineering
Volume 18 • Issue 3 • June 2006
Pages: 453 - 461
Copyright
© 2006 ASCE.
History
Received: Dec 21, 2004
Accepted: Apr 15, 2005
Published online: Jun 1, 2006
Published in print: Jun 2006
Notes
Note. Associate Editor: Hilary I. Inyang
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