Effect of Carbonates on Compaction Behaviour of Lime treated BC Soil treated, Fly ash mixtures

Sunil Haldankar , Chethan Kumar NT , Nagraj Bacha

BC soil, Fly ash,alkalies,Heavy compaction,CBR

Black cotton soils are problematic to civil engineering structures they undergo large volume changes due to variation in water content. Montmorillonite is the major clay mineral present in the Black cotton soil. In order to improve their properties, different admixtures are used. Among them fly ash, which is the byproduct of combustion of pulverized coal in thermal power plants is being increasingly used. Industrial activity is necessary for the social-economic progress of a developing Country but at the same time it generates large amount of solid and liquid waste. These wastes contain different types of chemicals both in solid and liquid form. These chemicals consist of different chemical compositions which alter the geotechnical properties of soil by reacting with the chemical composition of soils. Soils when contaminated with chemicals, significant change in their volume is observed. This paper presents the experimental programme on compaction characteristics of black cotton soil treated with fly ash and lime in presence of varying percentages of alkalis. Alkalis used in the present study are calcium carbonate and magnesium carbonate, both ranging from 5% - 20%. On addition of calcium carbonate to BCS-FA-Lime mixture maximum dry density of BC soil increases from14.74kN/m3 to 14.88kN/m3 and optimum moisture content of BC soil decreases from 31% to 25.4% respectively, on addition of magnesium carbonate maximum dry density of BC soil decreases from14.7kN/m3 to 11.1kN/m3 and optimum moisture content of BC soil increases from 31% to 47.8% respectively. Based on the present study it can be concluded that compaction characteristics improves with calcium carbonate compared to magnesium carbonate.

Published Paper   E-Certificate

"Effect of Carbonates on Compaction Behaviour of Lime treated BC Soil treated, Fly ash mixtures", IJSDR - International Journal of Scientific Development and Research (www.IJSDR.org), ISSN:2455-2631, Vol.1, Issue 7, page no.333 - 337, July-2016, Available :https://ijsdr.org/papers/IJSDR1607055.pdf

Volume 1 Issue 7, July-2016

Pages : 333 - 337

Paper Reg. ID: IJSDR_160634

Published Paper Id: IJSDR1607055

Downloads: 000346998

Research Area: Engineering

Country: Udupi, KARNATAKA, India

Published Paper PDF: https://ijsdr.org/papers/IJSDR1607055

Published Paper URL: https://ijsdr.org/viewpaperforall?paper=IJSDR1607055

ISSN: 2455-2631 | IMPACT FACTOR: 9.15 Calculated By Google Scholar | ESTD YEAR: 2016

An International Scholarly Open Access Journal, Peer-Reviewed, Refereed Journal Impact Factor 9.15 Calculate by Google Scholar and Semantic Scholar | AI-Powered Research Tool, Multidisciplinary, Monthly, Multilanguage Journal Indexing in All Major Database & Metadata, Citation Generator

Publisher: IJSDR(IJ Publication) Janvi Wave

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