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International Journal of Advanced Engineering, Management and Science

Geotechnical Properties of Lateritic Soil Stabilized with Periwinkle Shell Ash in Road Construction

( Vol-2,Issue-5,May 2016 )

Author(s): Nnochiri Emeka Segun, Aderinlewo Olufikayo O.

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Page No: 484-487
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geotechnical properties, lateritic soil, periwinkle shell ash, road construction, stabilization.


This paper investigated the geotechnical properties of lateritic soil stabilized with periwinkle shell ash in road construction. The natural lateritic soil sample was gotten from Federal University of Technology, Akure and stabilized with 0, 2,4, 6, 8 and 10% of the periwinkle shell ash and were subjected to tests such as natural moisture content, specific gravity, atterberg's limit, compaction, california bearing ratio and unconfined compressive strength. The result of the classification tests shows that the natural lateritic soil is poor for road construction. The engineering value of the soil sample was enhanced by the addition of periwinkle shell ash. The optimum percentage by weight of soil of periwinkle shell ash for improvement of the strength of the lateritic soil is 6%. The periwinkle shell ash enhanced the suitability of the soil sample for its use as subgrade and subbase.

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