Study on the Mechanical Properties of Clay- Fly Ash Mixture

Abstract

In this research, one of the most effective soil remediation methods in clay soils is investigated using fly ash. Consolidation settlement of clayey soils is one of the major parameters which are essential to be controlled before any construction. In order to control this parameter, consolidation test is used to determine the rate and magnitude of soil consolidation when the soil is restrained laterally and loaded axially. In this study, to study the effect of fly ash in improving the physical properties of clay, fly ash content was increased as (0%, 5%, 10%, 15%, and 20%). Moreover Sieve analysis, water content test, Atterberg limits, and Standard Proctor tests were performed for the same percentage. It was observed that by adding fly ash, plasticity of sample decreases. Furthermore, 15% mixture gives the lowest consolidation coefficient result; therefore it is advised to implement this percentage in fields.