Effects Of Guinea Corn Husk Ash And Lime Mixtures On Lateritic Soil For Highway Construction

Adebayo, Victor Babafemi and Adebayo, Tolulope Damilola and Popoola, Oladele Oladimeji (2017) Effects Of Guinea Corn Husk Ash And Lime Mixtures On Lateritic Soil For Highway Construction. Journal of Multidisciplinary Engineering Science and Technology (JMEST), 4 (10). pp. 1-7. ISSN 2458-9403

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Abstract

This study investigates the effects of guinea corn husk ash and lime mixtures on lateritic soil for highway construction. Preliminary tests were carried out on the soil for the purposes of identification and classification. The guinea corn husk ash was added to the soil sample at varying proportions of 2, 3 and 4 percentages by weight of soil and the lime was added to the soil sample at varying proportions of 4, 6 and 8 percentages by weight of soil. Each of these mixes was subjected to engineering tests; compaction, California bearing ratio (CBR) and unconfined compressive strength (UCS) test. The results of these tests showed that GCHA and lime improved the soil properties. It can be concluded that the guinea corn husk ash and lime modified the poor soil sample into being suitable for subbase to reduce failures in highway pavements.

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