Effect of Sugarcane Molasses on the Physical Properties of Metakaolin Based Geopolymer Stabilized Laterite Soil

International Journal of Civil Engineering

© 2021 by SSRG - IJCE Journal

Volume 8 Issue 12

Year of Publication : 2021

Authors : Ismaël Dabakuyo, Raphael N. Mutuku, Richard O. Onchiri

10.14445/23488352/IJCE-V8I12P101

How to Cite?

Ismaël Dabakuyo, Raphael N. Mutuku, Richard O. Onchiri, "Effect of Sugarcane Molasses on the Physical Properties of Metakaolin Based Geopolymer Stabilized Laterite Soil," SSRG International Journal of Civil Engineering, vol. 8,  no. 12, pp. 1-12, 2021. Crossref, https://doi.org/10.14445/23488352/IJCE-V8I12P101

Abstract:

The study focused on the effect of sugarcane molasses (SM) on the physical properties of metakaolin-based geopolymer stabilized laterite soil. The laterite soil, acquired from the farm of Jomo Kenyatta University of Agriculture and Technology, and classified as an A-2-7 on AASHTO classification, was stabilized according to two scenarios. In scenario 1, the optimum metakaolin based geopolymer (MKG) percentage was partially replaced by SM (8% MKG + 2% SM, 6% MKG + 4% SM, 4% MKG + 6% SM and 2% MKG + 8% SM); in scenario 2, the percentage of the MKG used as stabilizer, was fixed while SM was added at various percentage (5% MKG + 2% SM, 5% MKG + 4% SM, 5% MKG + 6% SM, 5% MKG + 8% SM). The effects of SM on the physical properties of metakaolin-based geopolymer stabilized soil was studied in terms of Atterberg Limits, Linear Shrinkage, and Compaction. The use of SM decreases the Liquid Limit, Plastic Limit, Plastic Index, Linear Shrinkage, and Optimum Moisture Content of metakaolin-based geopolymer stabilized laterite soil while the Maximum Dry Density raises. In general, sugarcane molasses has been found to improve the physical properties of metakaolin-based geopolymer stabilized soil.

Keywords:

Metakaolin-based geopolymer, Sugarcane Molasses, Atterberg Limits, Maximum Dry Density, Optimum Moisture Content.
 

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