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Chemical and Mineralogical Behaviour of Lignosulfonate Treated Soils

Indraratna, Buddhima / Mahamud, M. A. A. / Vinod, J S

This paper presents the results of Unconfined Compressive Strength tests (UCS) carried out on clay soils stabilized with Lignosulfonate (LS). Laboratory studies indicate that lignosulfonate can increase the stiffness of the treated soils. Moreover, the influence of clay minerals on the LS stablisation is investigated using Fourier Transform Infrared (FTIR) Spectroscopy and Electrical Conductivity (EC). The analysis confirms that the clay mineralogy plays an important role in the stabilisation of clay soils. The stabilization mechanism is mainly due to the formation of lignosulfonate-clay amorphous compounds through the electrostatic reaction process.

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Chemical and Mineralogical Behaviour of Lignosulfonate Treated Soils

Indraratna, Buddhima / Mahamud, M. A. A. / Vinod, J S

This paper presents the results of Unconfined Compressive Strength tests (UCS) carried out on clay soils stabilized with Lignosulfonate (LS). Laboratory studies indicate that lignosulfonate can increase the stiffness of the treated soils. Moreover, the influence of clay minerals on the LS stablisation is investigated using Fourier Transform Infrared (FTIR) Spectroscopy and Electrical Conductivity (EC). The analysis confirms that the clay mineralogy plays an important role in the stabilisation of clay soils. The stabilization mechanism is mainly due to the formation of lignosulfonate-clay amorphous compounds through the electrostatic reaction process.

Chemical and Mineralogical Behaviour of Lignosulfonate Treated Soils

Indraratna, Buddhima / Mahamud, M. A. A. / Vinod, J S

This paper presents the results of Unconfined Compressive Strength tests (UCS) carried out on clay soils stabilized with Lignosulfonate (LS). Laboratory studies indicate that lignosulfonate can increase the stiffness of the treated soils. Moreover, the influence of clay minerals on the LS stablisation is investigated using Fourier Transform Infrared (FTIR) Spectroscopy and Electrical Conductivity (EC). The analysis confirms that the clay mineralogy plays an important role in the stabilisation of clay soils. The stabilization mechanism is mainly due to the formation of lignosulfonate-clay amorphous compounds through the electrostatic reaction process.

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Title:

Chemical and Mineralogical Behaviour of Lignosulfonate Treated Soils

Contributors:

Indraratna, Buddhima (author) / Mahamud, M. A. A. (author) / Vinod, J S (author)

Conference:

GeoCongress 2012 ; 2012 ; Oakland, California, United States

Published in:

GeoCongress 2012 ; 1146-1155

Publication date:

2012-03-29

ISBN:

DOI:

https://doi.org/10.1061/9780784412121.118

Type of media:

Conference paper

Type of material:

Electronic Resource

Language:

English

Keywords:

Compressive strength , Geotechnical engineering , Unsaturated soils , Chemical properties , Soil stabilization , Foundations , Pavements , In situ tests , Soil properties , Soil strength

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