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Laboratory Investigation on the Effect of Fly Ash on the Compressibility of Soil

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Open access
Authors
Amiralian, S
Chegenizadeh, A
Nikraz, Hamid
Date
2012
Type
Conference Paper

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Amiralian, S and Chegenizadeh, A and Nikraz, Hamid. 2012. Laboratory Investigation on the Effect of Fly Ash on the Compressibility of Soil, in A. Chang and T. Yingthawornsuk (ed), International Conference on Civil and Architectural applications (ICCAA'2012), Dec 18 2012, pp. 84-88. Phuket, Thailand: Planetary Scientific Research Center.
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Proceedings of the International Conference on Civil and Architectural applications (ICCAA'2012)
Source Conference
International Conference on Civil and Architectural applications (ICCAA'2012)
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This article is published under the Open Access publishing model and distributed under the terms of the Creative Commons Attribution License http://creativecommons.org/licenses/by/3.0/ Please refer to the licence to obtain terms for any further reuse or distribution of this work.

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Abstract

One of the key steps in geotechnical construction is study on characteristics of soil for evaluation the deficiency factors of soil properties that lead to some problems such as settlement and heave. Soil stabilization with fly ash as by-product is one of the effective methods that were applied for modifying soil properties. This paper presents a series of laboratory tests for investigation on the adequacy of fly ash on the compressibility and swelling characteristic of soil. In this research the compression index, swelling index, and initial void ratio of one un-stabilized sample and eight stabilized specimens with difference fly ash additives were investigated. Overall, the data reveal that fly ash stabilization couldreduce the consolidation property, swelling behaviour. In addition, increment in the amount of fly ash led to reduction in the initial void ratio of stabilized samples.