Clay Stabilisation using Modified Anionic Bitumen Emulsion and Waste Glass

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Authors

Chetan Keshav Bhuckory, Raj Kumar Dreepaul, Slobodan B Mickovski

Abstract

Clay (black cotton soil) is among the most difficult soils to stabilise against land movement. This study explores the possibility of mixing binders with the soil to increase its internal properties and stabilise clay from landslide prone areas. A modified anionic bitumen
emulsion was mixed with the soil at different percentages and tested for angle of friction and cohesion. It was found that an optimum modified anionic bitumen emulsion content (OBC) of 4% mixed with the clay at optimum moisture content (OMC) and at maximum dry density (MDD) resulted in a reduction of cohesion by 310% and an improvement of 96% in
terms of angle of friction. The OBC was further mixed with waste glass particles of different sizes and tested for improvement. While adding 9% of 0.4mm glass, there was an additional improvement of 94% in terms of Cohesion as compared to only OBC-stabilised soil. However, the soil was found to be less stable in terms of angle of friction for all glass size additives as compared to OBC only. Thus, clay stabilised with OBC only has been retained as the best choice for soil stabilisation. OBC-stabilised soil is 14.3 times less polluting at production than traditional cement-stabilised soil.

DOI

https://doi.org/10.31223/X57993

Subjects

Engineering

Keywords

Soil stabilisation, Waste management, Bituminous binder, Laboratory, sustainability

Dates

Published: 2024-10-11 11:54

Last Updated: 2024-10-11 15:54

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No Creative Commons license