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Experimental and Numerical Performance Evaluation of Cement-Calcined Kaolin-River Sand-Clay Mixture as a Highway Material

  • E. Arinze EmmanuelEmail author
  • Ekeoma Emmanuel C. 
Conference paper
Part of the Advances in Science, Technology & Innovation book series (ASTI)

Abstract

This study evaluated the performance of cement-calcined kaolin and river sand stabilized clayey soil classified as A-7-6(3) used for a subbase of a flexible pavement in other to achieve a cost effective and environmental friendly solution to high cost construction materials. The percentages of River sand and calcined kaolin used for stabilization ranged from 0 to 20%, while the percentages of cement were kept constant at 4 and 6%. An increase in percentage of Calcined Kaolin increased the percentage of the fines, while the increase in the percentage of the River sand led to an increase in coarseness of the soil. Atterberg limits of the soil decreased with the increase in the River Sand percentage for 4 and 6% cement, but increased with the increase in the Calcined Kaolin. The soil OMC decreased from 14.2 to 11.3% at the highest addition of the River sand (OMK20RS) at 4% cement while it increased progressively with the increase in the Calcined Kaolin up to 18.2%. Displacement of the pavement was reduced by about 98.8% when used to model subbase of pavement using Plaxis, therefore cement-calcined kaolin-River sand can be used effectively for subbase and subgrade of a pavement.

Keywords

Calcined kaolin River sand Plaxis Soil stabilization Deformation 

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Copyright information

© Springer Nature Switzerland AG 2019

Authors and Affiliations

  1. 1.Department of Civil EngineeringMichael Okpara University of AgricultureUmudikeNigeria
  2. 2.Research StudentDundee UniversityDundeeUK

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