Geotechnical Characteristics of Fine-Grained Soils Stabilized with Fly Ash, a Review

Fly ash is a waste material obtained from burning of coal in thermal power plants. Coal consumption still very high and expected to remain above 38% globally. Therefore, large volumes fly are produced every year that need be managed as waste. Improper disposal can lead surface water ground pollution adversely affect human health environment. The use an agent stabilize soil has recently become popular geotechnical engineering due its many benefits such being eco-friendly cost-effective, improving the characteristics soil. This paper presents review properties ash-stabilized fine-grained soils. Several features ash, including classification, physical, geotechnical, chemical, mineralogical properties, concerns, disposal, availability, cost analyzed. effects wide range mechanical soils unconfined compressive strength, shear CBR value, consolidation and/or swelling characteristics, permeability reviewed detail. It shown substitute for stabilization, leading substantial economic environmental benefits.