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ISSN: 2641-6921

Modern Approaches on Material Science

Research Article(ISSN: 2641-6921)

Effects of Rice Husk Ash and Lime on Clay Soil Stabilization

Volume 1 - Issue 5

Kannan DV*, Sahira Banu and A Jahana Jasmine

  • Author Information Open or Close
    • Department of civil engineering, National college of engineering, India

    *Corresponding author: Kannan DV, Department of civil engineering, National college of engineering, Tirunelveli, Tamilnadu state, India

Received: June 19, 2019;   Published: June 26, 2019

DOI: 10.32474/MAMS.2018.01.000121

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Expensive soils are fertile and very good for agriculture, sericulture and aquaculture. Though they are good for these purposes they are not suitable for laying roads. On such soil suitable construction practices and sophisticated methods of design are to be adopted. In this experimental work the soil was first stabilized with lime in the proportion of 5% and 15%, 25%. Sieve analysis, specific gravity test. Atterberg limits, compaction test and soaked California bearing ratio (CBR) test were carried out. The optimum proportion of lime was found to be 10% from the CBR results. In the second phase of the work rice husk ash was added in the proportion of 5%, 15%, 25% in addition with lime. The optimum proportion of lime and rice husk ash was found out from the test results. The addition of lime and rice husk ash to the tested soils led to an increase of the plasticity index and contributed to an increase in the optimum moisture content and a decrease in the maximum dry density. The moisture-density curves of the stabilized soils have typical flattened from compared to the natural soils.

Keywords: Atterberg limit; California Bearing Ratio (CBR); Clay soil; Lime; Optimum moisture content; Rice Husk Ash (RHA); Soil stabilization

Abstract| Introduction| Materials| Methods| Results and Discussion| Conclusion| References|