AccScience Publishing / AJWEP / Volume 20 / Issue 4 / DOI: 10.3233/AJW230055
RESEARCH ARTICLE

Laboratory Evaluation of Stabilising Components for Effective Treatment of Expansive Soil

L. Kanagarathinam1* Venkatesan Govindaraj1 V. Gokul1 V. Muthukumaran1 Yalam Nikhil Sai1
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1 Department of Civil Engineering, Saveetha Engineering College, Chennai – 602 105, India
AJWEP 2023, 20(4), 87–91; https://doi.org/10.3233/AJW230055
Received: 26 December 2022 | Published online: 3 July 2023
© 2023 by the Author(s). This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution 4.0 International License ( https://creativecommons.org/licenses/by/4.0/ )
Abstract

The experimental study is to understand the mix ratio of fly ash and GGBS (ground granulated blast-furnace slag) in improving the shrink-swell characteristic of soil. The strength of the soil improved considerably after the addition of these stabilisers. In this study, experiments were conducted to observe the influence of the soil stabilisers in the improvement of the strength of the subgrade in expansive soil regions. This influential study will reveal the percentage of Flyash and GGBS mixture. Then the Standard Proctor Compaction test is used to determine the optimum moisture content required to compact the soil with Flyash and GGBS to attain the maximum dry density. The soil’s California Bearing ratio (CBR) was computed to understand the behaviour of improved soil if used as a subgrade. Hence the existing soil can be used as a subgrade with effective treatment of soil.

Keywords
Expansive soil
GGBS
fly ash
CBR
compaction
swelling behaviour.
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Asian Journal of Water, Environment and Pollution, Electronic ISSN: 1875-8568 Print ISSN: 0972-9860, Published by AccScience Publishing