A Study on Backfill Properties and Use of Fly Ash for Highway Embankments

Fly ash a fine powder is thrown out in large quantities from thermal power plants as a waste material in a by-product of combustion of pulverized coal. The disposal of fly ash poses a serious problem considering the air, water and soil problems. The solution to this problem lies in its bulk utilization of fly ash at dumping sites. This paper is summarized with brief details of the properties and design aspects of fly ash used in highway embankments.