Abstract- For soils to be suitable for civil engineering work, they must meet existing local requirements for index properties in addition to a certain strength and design criteria. Typically, specifications limit these properties to some optimal values which in most cases are project work specific. Fly ash is the combustion by-product of sub-bituminous coal in electric power plants and requires being landfilled. However, the reuse of these types of wastes in the interest of sustainable construction is healthier for the environment. The use of fly ash as a binding admixture not only enhances the engineering properties of soil but also reduces the use of energy and greenhouse gases. The objective of this review is to use Fly ash as soil Stabilization, to investigate the effectiveness of fly ash in the stabilization of organic soil. The presence of organic content in the soil has detrimental impacts on the physical and strength behavior of the soil.

Keywords: Fly ash, Stabilization, Index properties, Compressive strength